HC32F4A0RGTB-LQFP144

XHSC · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-144(20x20)

HC32F4A0RGTB-LQFP144 from XHSC, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	PE2	bidirectional	GPIO PE2 with EIRQ2, TRACECLK, FCMREF and FG2 serial function group; 5V tolerant.
2	PE3	bidirectional	GPIO PE3 with EIRQ3, TRACED0 and FG2 serial function group; 5V tolerant.
3	PE4	bidirectional	GPIO PE4 with EIRQ4, TRACED1 and FG2 serial function group; 5V tolerant.
4	PE5	bidirectional	GPIO PE5 with EIRQ5, TRACED2, CTCREF and FG2 serial function group; 5V tolerant.
5	PE6	bidirectional	GPIO PE6 with EIRQ6, TRACED3 and FG2 serial function group; 5V tolerant.
6	VBAT	power_in	Backup battery supply (1.65 to 3.6 V); short to VCC with a 100 nF decoupling capacitor when unused.
7	PC13	bidirectional	GPIO PC13 with RTCIC0 timestamp input, EIRQ13/WKUP3_1 and RTC_OUT; sink/source current of PC13, PC14, PC15 and PI8 together limited to 20 mA.
8	PC14	bidirectional	GPIO PC14 / XTAL32_OUT external 32 kHz oscillator output with EIRQ14.
9	PC15	bidirectional	GPIO PC15 / XTAL32_IN external 32 kHz oscillator input with EIRQ15.
10	PF0	bidirectional	GPIO PF0 with EIRQ0, MCO_1 clock output and FG3 serial function group.
11	PF1	bidirectional	GPIO PF1 with EIRQ1 and FG3 serial function group.
12	PF2	bidirectional	GPIO PF2 with EIRQ2 and FG3 serial function group.
13	PF3	bidirectional	GPIO PF3 with ADC3_IN9 analog input, EIRQ3 and FG3 serial function group.
14	PF4	bidirectional	GPIO PF4 with ADC3_IN14 analog input, EIRQ4 and FG3 serial function group.
15	PF5	bidirectional	GPIO PF5 with ADC3_IN15 analog input, EIRQ5 and FG3 serial function group.
16	VSS	power_in	Digital ground (0 V).
17	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
18	PF6	bidirectional	GPIO PF6 with ADC3_IN4 analog input, EIRQ6 and FG3 serial function group.
19	PF7	bidirectional	GPIO PF7 with ADC3_IN5 analog input, EIRQ7 and FG3 serial function group.
20	PF8	bidirectional	GPIO PF8 with ADC3_IN6 analog input, EIRQ8 and FG3 serial function group.
21	PF9	bidirectional	GPIO PF9 with ADC3_IN7 analog input, EIRQ9 and FG3 serial function group.
22	PF10	bidirectional	GPIO PF10 with ADC3_IN8 analog input, EIRQ10 and FG3 serial function group.
23	PH0	bidirectional	GPIO PH0 / XTAL_IN external main (4-25 MHz) oscillator input with EIRQ0.
24	PH1	bidirectional	GPIO PH1 / XTAL_OUT external main oscillator output with EIRQ1.
25	NRST	input	Active-low reset pin; connect a pull-up resistor to VCC when unused.
26	PC0	bidirectional	GPIO PC0 with ADC123_IN10, CMP3_INP4, EIRQ0 and FG3 serial function group.
27	PC1	bidirectional	GPIO PC1 with ADC123_IN11, EIRQ1 and FG3 serial function group.
28	PC2	bidirectional	GPIO PC2 with ADC123_IN12, EIRQ2 and FG3 serial function group.
29	PC3	bidirectional	GPIO PC3 with ADC123_IN13, CMP1_INM4, EIRQ3 and FG3 serial function group.
30	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
31	AVSS_VREFL	power_in	Analog ground and VREFL reference ground shared pin; same voltage as VSS.
32	VREFH	power_in	Analog reference voltage, must not exceed AVCC; short to AVCC when ADC is unused.
33	AVCC	power_in	Analog supply, same voltage as VCC (1.8 to 3.6 V); short to VCC if analog unused.
34	PA0	bidirectional	GPIO PA0 with ADC123_IN0, PGA_1 input, EIRQ0/WKUP0_0; not 5V tolerant.
35	PA1	bidirectional	GPIO PA1 with ADC123_IN1, PGA_2 input, EIRQ1; not 5V tolerant.
36	PA2	bidirectional	GPIO PA2 with ADC123_IN2, PGA_3 input, EIRQ2; not 5V tolerant.
37	PA3	bidirectional	GPIO PA3 with ADC123_IN3, PGA123_VSS ground input, CMP1_INP4 and EIRQ3.
38	AVSS	power_in	Analog ground, same voltage as VSS.
39	AVCC	power_in	Analog supply, same voltage as VCC (1.8 to 3.6 V).
40	PA4	bidirectional	GPIO PA4 with ADC12_IN4, DAC1_OUT1, CMP2_INP3 and EIRQ4.
41	PA5	bidirectional	GPIO PA5 with ADC12_IN5, DAC1_OUT2, CMP2_INP4 and EIRQ5.
42	PA6	bidirectional	GPIO PA6 with ADC12_IN6, PGA_4 input, CMP1_INP2 and EIRQ6; not 5V tolerant.
43	PA7	bidirectional	GPIO PA7 with ADC12_IN7, PGA4_VSS ground input, CMP123_INM3 and EIRQ7.
44	PC4	bidirectional	GPIO PC4 with ADC12_IN14, DAC2_OUT1, CMP2_INM4 and EIRQ4.
45	PC5	bidirectional	GPIO PC5 with ADC12_IN15, DAC2_OUT2, CMP3_INM4 and EIRQ5.
46	PB0	bidirectional	GPIO PB0 with ADC12_IN8, CMP3_INP2 and EIRQ0.
47	PB1	bidirectional	GPIO PB1 with ADC12_IN9, CMP3_INP3 and EIRQ1/WKUP0_1.
48	PB2	bidirectional	GPIO PB2 with PVD2EXINP external PVD2 comparison input, EIRQ2/WKUP0_2 and VCOUT.
49	PF11	bidirectional	GPIO PF11 with EIRQ11 and FG1 serial function group.
50	PF12	bidirectional	GPIO PF12 with EIRQ12 and FG1 serial function group.
51	VSS	power_in	Digital ground (0 V).
52	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
53	PF13	bidirectional	GPIO PF13 with EIRQ13 and FG2 serial function group.
54	PF14	bidirectional	GPIO PF14 with EIRQ14 and FG2 serial function group.
55	PF15	bidirectional	GPIO PF15 with EIRQ15 and FG2 serial function group.
56	PG0	bidirectional	GPIO PG0 with EIRQ0 and FG2 serial function group.
57	PG1	bidirectional	GPIO PG1 with EIRQ1 and FG2 serial function group.
58	PE7	bidirectional	GPIO PE7 with EIRQ7, ADTRG1 external ADC1 trigger and FG2 serial function group.
59	PE8	bidirectional	GPIO PE8 with EIRQ8, CTCREF and FG2 serial function group.
60	PE9	bidirectional	GPIO PE9 with EIRQ9, ADTRG3 external ADC3 trigger and FG2 serial function group.
61	VSS	power_in	Digital ground (0 V).
62	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
63	PE10	bidirectional	GPIO PE10 with CMP1_INP3, EIRQ10 and FG3 serial function group.
64	PE11	bidirectional	GPIO PE11 with EIRQ11 and FG3 serial function group.
65	PE12	bidirectional	GPIO PE12 with CMP4_INM3, EIRQ12 and FG3 serial function group.
66	PE13	bidirectional	GPIO PE13 with CMP4_INM4, EIRQ13 and FG3 serial function group.
67	PE14	bidirectional	GPIO PE14 with CMP4_INP3, EIRQ14 and FG3 serial function group.
68	PE15	bidirectional	GPIO PE15 with CMP4_INP4, EIRQ15 and FG3 serial function group.
69	PB10	bidirectional	GPIO PB10 with EIRQ10, ADTRG2 external ADC2 trigger and FG3 serial function group.
70	PB11	bidirectional	GPIO PB11 with EIRQ11 and FG3 serial function group.
71	VCAP_1	passive	Core voltage regulator capacitor pin; connect 0.047 uF or 0.1 uF (ESR < 0.3 ohm) to VSS.
72	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
73	PB12	bidirectional	GPIO PB12 with EIRQ12, VCOUT1 and FG1 serial function group.
74	PB13	bidirectional	GPIO PB13 with EIRQ13, VCOUT2 and FG1 serial function group.
75	PB14	bidirectional	GPIO PB14 / USBHS_DM on-chip USB PHY D- signal with EIRQ14; not 5V tolerant.
76	PB15	bidirectional	GPIO PB15 / USBHS_DP on-chip USB PHY D+ signal with EIRQ15; not 5V tolerant.
77	PD8	bidirectional	GPIO PD8 with EIRQ8, VCOUT4 and FG1 serial function group.
78	PD9	bidirectional	GPIO PD9 with EIRQ9, VCOUT3 and FG1 serial function group.
79	PD10	bidirectional	GPIO PD10 with EIRQ10 and FG1 serial function group.
80	PD11	bidirectional	GPIO PD11 with EIRQ11 and FG1 serial function group.
81	PD12	bidirectional	GPIO PD12 with EIRQ12 and FG3 serial function group.
82	PD13	bidirectional	GPIO PD13 with EIRQ13 and FG3 serial function group.
83	VSS	power_in	Digital ground (0 V).
84	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
85	PD14	bidirectional	GPIO PD14 with EIRQ14, ADTRG1 and FG3 serial function group.
86	PD15	bidirectional	GPIO PD15 with EIRQ15, ADTRG2 and FG3 serial function group.
87	PG2	bidirectional	GPIO PG2 with EIRQ2, ADTRG3 and FG3 serial function group.
88	PG3	bidirectional	GPIO PG3 with EIRQ3 and FG3 serial function group.
89	PG4	bidirectional	GPIO PG4 with EIRQ4 and FG3 serial function group.
90	PG5	bidirectional	GPIO PG5 with EIRQ5 and FG3 serial function group.
91	PG6	bidirectional	GPIO PG6 with EIRQ6 and FG3 serial function group.
92	PG7	bidirectional	GPIO PG7 with EIRQ7 and FG3 serial function group.
93	PG8	bidirectional	GPIO PG8 with EIRQ8 and FG3 serial function group.
94	VSS	power_in	Digital ground (0 V).
95	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
96	PC6	bidirectional	GPIO PC6 with EIRQ6, CTCREF and FG3 serial function group.
97	PC7	bidirectional	GPIO PC7 with EIRQ7 and FG3 serial function group.
98	PC8	bidirectional	GPIO PC8 with EIRQ8 and FG2 serial function group.
99	PC9	bidirectional	GPIO PC9 with EIRQ9, MCO_2 clock output and FG2 serial function group.
100	PA8	bidirectional	GPIO PA8 with EIRQ8/WKUP2_0, MCO_1 clock output and FG2 serial function group.
101	PA9	bidirectional	GPIO PA9 with EIRQ9/WKUP2_1 and FG2 serial function group.
102	PA10	bidirectional	GPIO PA10 with EIRQ10/WKUP2_2 and FG2 serial function group.
103	PA11	bidirectional	GPIO PA11 / USBFS_DM on-chip USB PHY D- signal with EIRQ11/WKUP2_3; not 5V tolerant.
104	PA12	bidirectional	GPIO PA12 / USBFS_DP on-chip USB PHY D+ signal with EIRQ12/WKUP3_0; not 5V tolerant.
105	PA13	bidirectional	GPIO PA13 / JTMS_SWDIO debug interface data I/O with EIRQ13 and FG2 serial function group.
106	VCAP_2	passive	Core voltage regulator capacitor pin; connect 0.047 uF or 0.1 uF (ESR < 0.3 ohm) to VSS.
107	VSS	power_in	Digital ground (0 V).
108	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
109	PA14	bidirectional	GPIO PA14 / JTCK_SWCLK debug clock input with EIRQ14/WKUP3_2.
110	PA15	bidirectional	GPIO PA15 / JTDI debug data input with EIRQ15/WKUP3_3.
111	PC10	bidirectional	GPIO PC10 with EIRQ10 and FG3 serial function group.
112	PC11	bidirectional	GPIO PC11 with EIRQ11 and FG3 serial function group.
113	PC12	bidirectional	GPIO PC12 with EIRQ12 and FG3 serial function group.
114	PD0	bidirectional	GPIO PD0 with EIRQ0, VCOUT and FG3 serial function group.
115	PD1	bidirectional	GPIO PD1 with EIRQ1 and FG3 serial function group.
116	PD2	bidirectional	GPIO PD2 with EIRQ2, VCOUT4 and FG3 serial function group.
117	PD3	bidirectional	GPIO PD3 with EIRQ3, VCOUT1 and FG3 serial function group.
118	PD4	bidirectional	GPIO PD4 with EIRQ4, VCOUT2 and FG2 serial function group.
119	PD5	bidirectional	GPIO PD5 with EIRQ5, VCOUT3 and FG2 serial function group.
120	VSS	power_in	Digital ground (0 V).
121	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
122	PD6	bidirectional	GPIO PD6 with EIRQ6, ADTRG1 and FG2 serial function group.
123	PD7	bidirectional	GPIO PD7 with EIRQ7, ADTRG2 and FG2 serial function group.
124	PG9	bidirectional	GPIO PG9 with EIRQ9, ADTRG3 and FG2 serial function group.
125	PG10	bidirectional	GPIO PG10 with EIRQ10 and FG2 serial function group.
126	PG11	bidirectional	GPIO PG11 with EIRQ11 and FG2 serial function group.
127	PG12	bidirectional	GPIO PG12 with EIRQ12 and FG2 serial function group.
128	PG13	bidirectional	GPIO PG13 with EIRQ13 and FG2 serial function group.
129	PG14	bidirectional	GPIO PG14 with EIRQ14 and FG2 serial function group.
130	VSS	power_in	Digital ground (0 V).
131	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.
132	PG15	bidirectional	GPIO PG15 with EIRQ15 and FG1 serial function group.
133	PB3	bidirectional	GPIO PB3 / JTDO_SWO debug output with EIRQ3/WKUP0_3 and FCMREF.
134	PB4	bidirectional	GPIO PB4 / NJTRST JTAG reset input with EIRQ4/WKUP1_0.
135	PB5	bidirectional	GPIO PB5 with EIRQ5/WKUP1_1, ADTRG3 and FG1 serial function group.
136	PB6	bidirectional	GPIO PB6 with EIRQ6/WKUP1_2, ADTRG2 and FG1 serial function group.
137	PB7	bidirectional	GPIO PB7 with EIRQ7/WKUP1_3, ADTRG1 and FG1 serial function group.
138	PI13/MD	input	Mode input; must be held low when NRST is released, a 4.7 kohm pull-down to VSS is recommended.
139	PB8	bidirectional	GPIO PB8 with EIRQ8 and FG1 serial function group.
140	PB9	bidirectional	GPIO PB9 with EIRQ9 and FG1 serial function group.
141	PE0	bidirectional	GPIO PE0 with EIRQ0, MCO_1 clock output and FG1 serial function group.
142	PE1	bidirectional	GPIO PE1 with EIRQ1, MCO_2 clock output and FG1 serial function group.
143	PI12	bidirectional	GPIO PI12 with EIRQ12 and FG1 serial function group.
144	VCC	power_in	Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin.

Key specifications

Parameter	Value
Manufacturer	XHSC
Package	LQFP-144(20x20)
Category	Single Chip Microcomputer/Microcontroller
Pins	144

CAD (KiCad official)

Symbol: HC32F4A0RGTB-LQFP144
Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
3D model files: hc32f4a0rgtb-lqfp144-etched.step / hc32f4a0rgtb-lqfp144-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hc32f4a0rgtb-lqfp144.step / hc32f4a0rgtb-lqfp144.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: XHSC datasheet (145 pp, sha256 c971eaaaa12f48ef, retrieved 2026-10-26, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

# HC32F4A0RGTB-LQFP144

**XHSC** · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-144(20x20)

HC32F4A0RGTB-LQFP144 from XHSC, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | GPIO PE2 with EIRQ2, TRACECLK, FCMREF and FG2 serial function group; 5V tolerant. |
| 2 | PE3 | bidirectional | GPIO PE3 with EIRQ3, TRACED0 and FG2 serial function group; 5V tolerant. |
| 3 | PE4 | bidirectional | GPIO PE4 with EIRQ4, TRACED1 and FG2 serial function group; 5V tolerant. |
| 4 | PE5 | bidirectional | GPIO PE5 with EIRQ5, TRACED2, CTCREF and FG2 serial function group; 5V tolerant. |
| 5 | PE6 | bidirectional | GPIO PE6 with EIRQ6, TRACED3 and FG2 serial function group; 5V tolerant. |
| 6 | VBAT | power_in | Backup battery supply (1.65 to 3.6 V); short to VCC with a 100 nF decoupling capacitor when unused. |
| 7 | PC13 | bidirectional | GPIO PC13 with RTCIC0 timestamp input, EIRQ13/WKUP3_1 and RTC_OUT; sink/source current of PC13, PC14, PC15 and PI8 together limited to 20 mA. |
| 8 | PC14 | bidirectional | GPIO PC14 / XTAL32_OUT external 32 kHz oscillator output with EIRQ14. |
| 9 | PC15 | bidirectional | GPIO PC15 / XTAL32_IN external 32 kHz oscillator input with EIRQ15. |
| 10 | PF0 | bidirectional | GPIO PF0 with EIRQ0, MCO_1 clock output and FG3 serial function group. |
| 11 | PF1 | bidirectional | GPIO PF1 with EIRQ1 and FG3 serial function group. |
| 12 | PF2 | bidirectional | GPIO PF2 with EIRQ2 and FG3 serial function group. |
| 13 | PF3 | bidirectional | GPIO PF3 with ADC3_IN9 analog input, EIRQ3 and FG3 serial function group. |
| 14 | PF4 | bidirectional | GPIO PF4 with ADC3_IN14 analog input, EIRQ4 and FG3 serial function group. |
| 15 | PF5 | bidirectional | GPIO PF5 with ADC3_IN15 analog input, EIRQ5 and FG3 serial function group. |
| 16 | VSS | power_in | Digital ground (0 V). |
| 17 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 18 | PF6 | bidirectional | GPIO PF6 with ADC3_IN4 analog input, EIRQ6 and FG3 serial function group. |
| 19 | PF7 | bidirectional | GPIO PF7 with ADC3_IN5 analog input, EIRQ7 and FG3 serial function group. |
| 20 | PF8 | bidirectional | GPIO PF8 with ADC3_IN6 analog input, EIRQ8 and FG3 serial function group. |
| 21 | PF9 | bidirectional | GPIO PF9 with ADC3_IN7 analog input, EIRQ9 and FG3 serial function group. |
| 22 | PF10 | bidirectional | GPIO PF10 with ADC3_IN8 analog input, EIRQ10 and FG3 serial function group. |
| 23 | PH0 | bidirectional | GPIO PH0 / XTAL_IN external main (4-25 MHz) oscillator input with EIRQ0. |
| 24 | PH1 | bidirectional | GPIO PH1 / XTAL_OUT external main oscillator output with EIRQ1. |
| 25 | NRST | input | Active-low reset pin; connect a pull-up resistor to VCC when unused. |
| 26 | PC0 | bidirectional | GPIO PC0 with ADC123_IN10, CMP3_INP4, EIRQ0 and FG3 serial function group. |
| 27 | PC1 | bidirectional | GPIO PC1 with ADC123_IN11, EIRQ1 and FG3 serial function group. |
| 28 | PC2 | bidirectional | GPIO PC2 with ADC123_IN12, EIRQ2 and FG3 serial function group. |
| 29 | PC3 | bidirectional | GPIO PC3 with ADC123_IN13, CMP1_INM4, EIRQ3 and FG3 serial function group. |
| 30 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 31 | AVSS_VREFL | power_in | Analog ground and VREFL reference ground shared pin; same voltage as VSS. |
| 32 | VREFH | power_in | Analog reference voltage, must not exceed AVCC; short to AVCC when ADC is unused. |
| 33 | AVCC | power_in | Analog supply, same voltage as VCC (1.8 to 3.6 V); short to VCC if analog unused. |
| 34 | PA0 | bidirectional | GPIO PA0 with ADC123_IN0, PGA_1 input, EIRQ0/WKUP0_0; not 5V tolerant. |
| 35 | PA1 | bidirectional | GPIO PA1 with ADC123_IN1, PGA_2 input, EIRQ1; not 5V tolerant. |
| 36 | PA2 | bidirectional | GPIO PA2 with ADC123_IN2, PGA_3 input, EIRQ2; not 5V tolerant. |
| 37 | PA3 | bidirectional | GPIO PA3 with ADC123_IN3, PGA123_VSS ground input, CMP1_INP4 and EIRQ3. |
| 38 | AVSS | power_in | Analog ground, same voltage as VSS. |
| 39 | AVCC | power_in | Analog supply, same voltage as VCC (1.8 to 3.6 V). |
| 40 | PA4 | bidirectional | GPIO PA4 with ADC12_IN4, DAC1_OUT1, CMP2_INP3 and EIRQ4. |
| 41 | PA5 | bidirectional | GPIO PA5 with ADC12_IN5, DAC1_OUT2, CMP2_INP4 and EIRQ5. |
| 42 | PA6 | bidirectional | GPIO PA6 with ADC12_IN6, PGA_4 input, CMP1_INP2 and EIRQ6; not 5V tolerant. |
| 43 | PA7 | bidirectional | GPIO PA7 with ADC12_IN7, PGA4_VSS ground input, CMP123_INM3 and EIRQ7. |
| 44 | PC4 | bidirectional | GPIO PC4 with ADC12_IN14, DAC2_OUT1, CMP2_INM4 and EIRQ4. |
| 45 | PC5 | bidirectional | GPIO PC5 with ADC12_IN15, DAC2_OUT2, CMP3_INM4 and EIRQ5. |
| 46 | PB0 | bidirectional | GPIO PB0 with ADC12_IN8, CMP3_INP2 and EIRQ0. |
| 47 | PB1 | bidirectional | GPIO PB1 with ADC12_IN9, CMP3_INP3 and EIRQ1/WKUP0_1. |
| 48 | PB2 | bidirectional | GPIO PB2 with PVD2EXINP external PVD2 comparison input, EIRQ2/WKUP0_2 and VCOUT. |
| 49 | PF11 | bidirectional | GPIO PF11 with EIRQ11 and FG1 serial function group. |
| 50 | PF12 | bidirectional | GPIO PF12 with EIRQ12 and FG1 serial function group. |
| 51 | VSS | power_in | Digital ground (0 V). |
| 52 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 53 | PF13 | bidirectional | GPIO PF13 with EIRQ13 and FG2 serial function group. |
| 54 | PF14 | bidirectional | GPIO PF14 with EIRQ14 and FG2 serial function group. |
| 55 | PF15 | bidirectional | GPIO PF15 with EIRQ15 and FG2 serial function group. |
| 56 | PG0 | bidirectional | GPIO PG0 with EIRQ0 and FG2 serial function group. |
| 57 | PG1 | bidirectional | GPIO PG1 with EIRQ1 and FG2 serial function group. |
| 58 | PE7 | bidirectional | GPIO PE7 with EIRQ7, ADTRG1 external ADC1 trigger and FG2 serial function group. |
| 59 | PE8 | bidirectional | GPIO PE8 with EIRQ8, CTCREF and FG2 serial function group. |
| 60 | PE9 | bidirectional | GPIO PE9 with EIRQ9, ADTRG3 external ADC3 trigger and FG2 serial function group. |
| 61 | VSS | power_in | Digital ground (0 V). |
| 62 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 63 | PE10 | bidirectional | GPIO PE10 with CMP1_INP3, EIRQ10 and FG3 serial function group. |
| 64 | PE11 | bidirectional | GPIO PE11 with EIRQ11 and FG3 serial function group. |
| 65 | PE12 | bidirectional | GPIO PE12 with CMP4_INM3, EIRQ12 and FG3 serial function group. |
| 66 | PE13 | bidirectional | GPIO PE13 with CMP4_INM4, EIRQ13 and FG3 serial function group. |
| 67 | PE14 | bidirectional | GPIO PE14 with CMP4_INP3, EIRQ14 and FG3 serial function group. |
| 68 | PE15 | bidirectional | GPIO PE15 with CMP4_INP4, EIRQ15 and FG3 serial function group. |
| 69 | PB10 | bidirectional | GPIO PB10 with EIRQ10, ADTRG2 external ADC2 trigger and FG3 serial function group. |
| 70 | PB11 | bidirectional | GPIO PB11 with EIRQ11 and FG3 serial function group. |
| 71 | VCAP_1 | passive | Core voltage regulator capacitor pin; connect 0.047 uF or 0.1 uF (ESR < 0.3 ohm) to VSS. |
| 72 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 73 | PB12 | bidirectional | GPIO PB12 with EIRQ12, VCOUT1 and FG1 serial function group. |
| 74 | PB13 | bidirectional | GPIO PB13 with EIRQ13, VCOUT2 and FG1 serial function group. |
| 75 | PB14 | bidirectional | GPIO PB14 / USBHS_DM on-chip USB PHY D- signal with EIRQ14; not 5V tolerant. |
| 76 | PB15 | bidirectional | GPIO PB15 / USBHS_DP on-chip USB PHY D+ signal with EIRQ15; not 5V tolerant. |
| 77 | PD8 | bidirectional | GPIO PD8 with EIRQ8, VCOUT4 and FG1 serial function group. |
| 78 | PD9 | bidirectional | GPIO PD9 with EIRQ9, VCOUT3 and FG1 serial function group. |
| 79 | PD10 | bidirectional | GPIO PD10 with EIRQ10 and FG1 serial function group. |
| 80 | PD11 | bidirectional | GPIO PD11 with EIRQ11 and FG1 serial function group. |
| 81 | PD12 | bidirectional | GPIO PD12 with EIRQ12 and FG3 serial function group. |
| 82 | PD13 | bidirectional | GPIO PD13 with EIRQ13 and FG3 serial function group. |
| 83 | VSS | power_in | Digital ground (0 V). |
| 84 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 85 | PD14 | bidirectional | GPIO PD14 with EIRQ14, ADTRG1 and FG3 serial function group. |
| 86 | PD15 | bidirectional | GPIO PD15 with EIRQ15, ADTRG2 and FG3 serial function group. |
| 87 | PG2 | bidirectional | GPIO PG2 with EIRQ2, ADTRG3 and FG3 serial function group. |
| 88 | PG3 | bidirectional | GPIO PG3 with EIRQ3 and FG3 serial function group. |
| 89 | PG4 | bidirectional | GPIO PG4 with EIRQ4 and FG3 serial function group. |
| 90 | PG5 | bidirectional | GPIO PG5 with EIRQ5 and FG3 serial function group. |
| 91 | PG6 | bidirectional | GPIO PG6 with EIRQ6 and FG3 serial function group. |
| 92 | PG7 | bidirectional | GPIO PG7 with EIRQ7 and FG3 serial function group. |
| 93 | PG8 | bidirectional | GPIO PG8 with EIRQ8 and FG3 serial function group. |
| 94 | VSS | power_in | Digital ground (0 V). |
| 95 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 96 | PC6 | bidirectional | GPIO PC6 with EIRQ6, CTCREF and FG3 serial function group. |
| 97 | PC7 | bidirectional | GPIO PC7 with EIRQ7 and FG3 serial function group. |
| 98 | PC8 | bidirectional | GPIO PC8 with EIRQ8 and FG2 serial function group. |
| 99 | PC9 | bidirectional | GPIO PC9 with EIRQ9, MCO_2 clock output and FG2 serial function group. |
| 100 | PA8 | bidirectional | GPIO PA8 with EIRQ8/WKUP2_0, MCO_1 clock output and FG2 serial function group. |
| 101 | PA9 | bidirectional | GPIO PA9 with EIRQ9/WKUP2_1 and FG2 serial function group. |
| 102 | PA10 | bidirectional | GPIO PA10 with EIRQ10/WKUP2_2 and FG2 serial function group. |
| 103 | PA11 | bidirectional | GPIO PA11 / USBFS_DM on-chip USB PHY D- signal with EIRQ11/WKUP2_3; not 5V tolerant. |
| 104 | PA12 | bidirectional | GPIO PA12 / USBFS_DP on-chip USB PHY D+ signal with EIRQ12/WKUP3_0; not 5V tolerant. |
| 105 | PA13 | bidirectional | GPIO PA13 / JTMS_SWDIO debug interface data I/O with EIRQ13 and FG2 serial function group. |
| 106 | VCAP_2 | passive | Core voltage regulator capacitor pin; connect 0.047 uF or 0.1 uF (ESR < 0.3 ohm) to VSS. |
| 107 | VSS | power_in | Digital ground (0 V). |
| 108 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 109 | PA14 | bidirectional | GPIO PA14 / JTCK_SWCLK debug clock input with EIRQ14/WKUP3_2. |
| 110 | PA15 | bidirectional | GPIO PA15 / JTDI debug data input with EIRQ15/WKUP3_3. |
| 111 | PC10 | bidirectional | GPIO PC10 with EIRQ10 and FG3 serial function group. |
| 112 | PC11 | bidirectional | GPIO PC11 with EIRQ11 and FG3 serial function group. |
| 113 | PC12 | bidirectional | GPIO PC12 with EIRQ12 and FG3 serial function group. |
| 114 | PD0 | bidirectional | GPIO PD0 with EIRQ0, VCOUT and FG3 serial function group. |
| 115 | PD1 | bidirectional | GPIO PD1 with EIRQ1 and FG3 serial function group. |
| 116 | PD2 | bidirectional | GPIO PD2 with EIRQ2, VCOUT4 and FG3 serial function group. |
| 117 | PD3 | bidirectional | GPIO PD3 with EIRQ3, VCOUT1 and FG3 serial function group. |
| 118 | PD4 | bidirectional | GPIO PD4 with EIRQ4, VCOUT2 and FG2 serial function group. |
| 119 | PD5 | bidirectional | GPIO PD5 with EIRQ5, VCOUT3 and FG2 serial function group. |
| 120 | VSS | power_in | Digital ground (0 V). |
| 121 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 122 | PD6 | bidirectional | GPIO PD6 with EIRQ6, ADTRG1 and FG2 serial function group. |
| 123 | PD7 | bidirectional | GPIO PD7 with EIRQ7, ADTRG2 and FG2 serial function group. |
| 124 | PG9 | bidirectional | GPIO PG9 with EIRQ9, ADTRG3 and FG2 serial function group. |
| 125 | PG10 | bidirectional | GPIO PG10 with EIRQ10 and FG2 serial function group. |
| 126 | PG11 | bidirectional | GPIO PG11 with EIRQ11 and FG2 serial function group. |
| 127 | PG12 | bidirectional | GPIO PG12 with EIRQ12 and FG2 serial function group. |
| 128 | PG13 | bidirectional | GPIO PG13 with EIRQ13 and FG2 serial function group. |
| 129 | PG14 | bidirectional | GPIO PG14 with EIRQ14 and FG2 serial function group. |
| 130 | VSS | power_in | Digital ground (0 V). |
| 131 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |
| 132 | PG15 | bidirectional | GPIO PG15 with EIRQ15 and FG1 serial function group. |
| 133 | PB3 | bidirectional | GPIO PB3 / JTDO_SWO debug output with EIRQ3/WKUP0_3 and FCMREF. |
| 134 | PB4 | bidirectional | GPIO PB4 / NJTRST JTAG reset input with EIRQ4/WKUP1_0. |
| 135 | PB5 | bidirectional | GPIO PB5 with EIRQ5/WKUP1_1, ADTRG3 and FG1 serial function group. |
| 136 | PB6 | bidirectional | GPIO PB6 with EIRQ6/WKUP1_2, ADTRG2 and FG1 serial function group. |
| 137 | PB7 | bidirectional | GPIO PB7 with EIRQ7/WKUP1_3, ADTRG1 and FG1 serial function group. |
| 138 | PI13/MD | input | Mode input; must be held low when NRST is released, a 4.7 kohm pull-down to VSS is recommended. |
| 139 | PB8 | bidirectional | GPIO PB8 with EIRQ8 and FG1 serial function group. |
| 140 | PB9 | bidirectional | GPIO PB9 with EIRQ9 and FG1 serial function group. |
| 141 | PE0 | bidirectional | GPIO PE0 with EIRQ0, MCO_1 clock output and FG1 serial function group. |
| 142 | PE1 | bidirectional | GPIO PE1 with EIRQ1, MCO_2 clock output and FG1 serial function group. |
| 143 | PI12 | bidirectional | GPIO PI12 with EIRQ12 and FG1 serial function group. |
| 144 | VCC | power_in | Digital supply, 1.8 to 3.6 V, decoupled to VSS close to the pin. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XHSC |
| Package | LQFP-144(20x20) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 144 |

## CAD (KiCad official)

- Symbol: `HC32F4A0RGTB-LQFP144`
- Footprint: `Package_QFP:LQFP-144_20x20mm_P0.5mm`
- 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
- 3D model files: `hc32f4a0rgtb-lqfp144-etched.step` / `hc32f4a0rgtb-lqfp144-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hc32f4a0rgtb-lqfp144.step` / `hc32f4a0rgtb-lqfp144.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [XHSC datasheet](docs/hc32f4a0rgtb-lqfp144-datasheet.pdf) (145 pp, sha256 `c971eaaaa12f48ef`, retrieved 2026-10-26, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/hc32f4a0rgtb-lqfp144-datasheet.pdf)