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Contents

README

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HC32L176PATA-LQFP100

HDSC · HDSC · LQFP-100(14x14)

HC32L176PATA-LQFP100 from HDSC, in a LQFP-100(14x14). 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 PE02 bidirectional General-purpose I/O port E bit 2; digital function PCA_ECI.
2 PE03 bidirectional General-purpose I/O port E bit 3; digital function PCA_CH0.
3 PE04 bidirectional General-purpose I/O port E bit 4; digital function PCA_CH1.
4 PE05 bidirectional General-purpose I/O port E bit 5; digital function PCA_CH2.
5 PE06 bidirectional General-purpose I/O port E bit 6; digital function PCA_CH3.
6 VCAP passive LDO core supply output for internal circuits only; requires an external decoupling capacitor of at least 1uF.
7 PC13 bidirectional General-purpose I/O port C bit 13; RTC_1HZ, TIM3_CH1B, LVD input 0.
8 XTLI/PC14 bidirectional Port C bit 14 general-purpose I/O, also XTLI low-speed crystal oscillator input.
9 XTLO/PC15 bidirectional Port C bit 15 general-purpose I/O, also XTLO low-speed crystal oscillator output.
10 PF09 bidirectional General-purpose I/O port F bit 9; digital function TIM0_CHA.
11 PF10 bidirectional General-purpose I/O port F bit 10; digital function TIM0_CHB.
12 XTHI/PF00 bidirectional Port F bit 0 general-purpose I/O (I2C0_SDA, UART1_TXD), also XTHI high-speed crystal oscillator input (4-32MHz).
13 XTHO/PF01 bidirectional Port F bit 1 general-purpose I/O (I2C0_SCL, TIM4_CHB, UART1_RXD), also XTHO high-speed crystal oscillator output.
14 RESETB input Active-low reset input with a non-removable internal pull-up of about 80kOhm.
15 SEG27/PC00 bidirectional Port C bit 0 I/O with LPTIM0_GATE, PCNT_S0, UART1_CTS, UART2_RTS, analog AIN10, VC inputs and LCD SEG27.
16 SEG26/PC01 bidirectional Port C bit 1 I/O with LPTIM0_TOG, TIM5_CHB, UART1_RTS, analog AIN11, VC inputs and LCD SEG26.
17 SEG25/PC02 bidirectional Port C bit 2 I/O with SPI1_MISO, LPTIM0_TOGN, PCNT_S1, UART2_RXD, analog AIN12, VC inputs and LCD SEG25.
18 SEG24/PC03 bidirectional Port C bit 3 I/O with SPI1_MOSI, LPTIM0_ETR, UART2_TXD, analog AIN13, VC inputs and LCD SEG24.
19 PF02 bidirectional General-purpose I/O port F bit 2.
20 AVSS power_in Analog ground.
21 AVCC power_in Analog power supply; must be the same voltage as DVCC (1.8-5.5V).
22 PF03 bidirectional General-purpose I/O port F bit 3.
23 SEG23/PA00 bidirectional Port A bit 0 I/O with UART1_CTS, LPUART1_TXD, TIM0_ETR, VC0_OUT, analog AIN0 and LCD SEG23.
24 SEG22/PA01 bidirectional Port A bit 1 I/O with UART1_RTS, LPUART1_RXD, TIM0_CHB, HCLK_OUT, analog AIN1 and LCD SEG22.
25 SEG21/PA02 bidirectional Port A bit 2 I/O with UART1_TXD, TIM0_CHA, VC1_OUT, PCLK_OUT, analog AIN2 and LCD SEG21.
26 SEG20/PA03 bidirectional Port A bit 3 I/O with UART1_RXD, TIM0_GATE, SPI1_CS, analog AIN3 and LCD SEG20.
27 DVSS power_in Digital ground.
28 DVCC power_in Digital power supply (1.8-5.5V).
29 SEG19/PA04 bidirectional Port A bit 4 I/O with SPI0_CS, UART1_TXD, PCA_CH4, LVD_OUT, analog AIN4, DAC_OUT, OPA_OUT0 and LCD SEG19.
30 SEG18/PA05 bidirectional Port A bit 5 general-purpose I/O (SPI0_SCK, XTL_OUT, XTH_OUT) with LCD SEG18.
31 SEG17/PA06 bidirectional Port A bit 6 general-purpose I/O (SPI0_MISO, PCA_CH0, VC0_OUT) with LCD SEG17.
32 SEG16/PA07 bidirectional Port A bit 7 general-purpose I/O (SPI0_MOSI, PCA_CH1, HCLK_OUT) with LCD SEG16.
33 SEG15/PC04 bidirectional Port C bit 4 general-purpose I/O (LPUART0_TXD, TIM2_ETR, IR_OUT) with LCD SEG15.
34 SEG14/PC05 bidirectional Port C bit 5 general-purpose I/O (LPUART0_RXD, TIM6_CHB, PCA_CH4) with LCD SEG14.
35 SEG13/PB00 bidirectional Port B bit 0 general-purpose I/O (PCA_CH2, TIM3_CH1B, LPUART0_TXD) with LCD SEG13.
36 SEG12/PB01 bidirectional Port B bit 1 general-purpose I/O (PCA_CH3, PCLK_OUT, LPUART0_RTS) with LCD SEG12.
37 SEG11/PB02 bidirectional Port B bit 2 general-purpose I/O (LPTIM_TOG, PCA_ECI, LPUART1_TXD) with LCD SEG11.
38 PE07 bidirectional General-purpose I/O port E bit 7; digital functions TIM3_ETR, LPTIM1_GATE.
39 PE08 bidirectional General-purpose I/O port E bit 8; digital functions TIM3_CH0B, LPTIM1_ETR.
40 PE09 bidirectional General-purpose I/O port E bit 9; digital functions TIM3_CH0A, LPTIM1_TOG.
41 PE10 bidirectional General-purpose I/O port E bit 10; digital functions TIM3_CH1B, LPTIM1_TOGN.
42 PE11 bidirectional General-purpose I/O port E bit 11; digital function TIM3_CH1A.
43 SEG51/PE12 bidirectional Port E bit 12 general-purpose I/O (TIM3_CH2B, SPI0_CS, UART3_CTS) with LCD SEG51.
44 SEG50/PE13 bidirectional Port E bit 13 general-purpose I/O (TIM3_CH2A, SPI0_SCK, UART3_RTS) with LCD SEG50.
45 SEG49/PE14 bidirectional Port E bit 14 general-purpose I/O (TIM3_CH0B, SPI0_MISO, UART3_RXD) with LCD SEG49.
46 SEG48/PE15 bidirectional Port E bit 15 general-purpose I/O (TIM3_BK, SPI0_MOSI, UART3_TXD) with LCD SEG48.
47 SEG10/PB10 bidirectional Port B bit 10 general-purpose I/O (I2C1_SCL, SPI1_SCK, LPUART0_TXD) with LCD SEG10.
48 SEG9/PB11 bidirectional Port B bit 11 general-purpose I/O (I2C1_SDA, LPUART0_RXD, TIM6_CHA) with LCD SEG9.
49 DVSS power_in Digital ground.
50 DVCC power_in Digital power supply (1.8-5.5V).
51 PB12/SEG8 bidirectional Port B bit 12 general-purpose I/O (SPI1_CS, TIM3_BK, LPUART0_TXD) with LCD SEG8.
52 PB13/SEG7 bidirectional Port B bit 13 general-purpose I/O (SPI1_SCK, I2C1_SCL, LPUART0_CTS) with LCD SEG7.
53 PB14/SEG6 bidirectional Port B bit 14 general-purpose I/O (SPI1_MISO, I2C1_SDA, RTC_1HZ) with LCD SEG6.
54 PB15/SEG5 bidirectional Port B bit 15 general-purpose I/O (SPI1_MOSI, TIM3_CH2B, LPUART1_RXD) with LCD SEG5.
55 PD08/SEG47 bidirectional Port D bit 8 general-purpose I/O (LPUART0_TXD) with LCD SEG47.
56 PD09/SEG46 bidirectional Port D bit 9 general-purpose I/O (LPUART0_RXD) with LCD SEG46.
57 PD10/SEG45 bidirectional Port D bit 10 general-purpose I/O (LPUART0_TXD) with LCD SEG45.
58 PD11/SEG44 bidirectional Port D bit 11 general-purpose I/O (LPUART0_CTS) with LCD SEG44.
59 PD12/SEG43 bidirectional Port D bit 12 general-purpose I/O (LPUART0_RTS, UART2_RTS) with LCD SEG43.
60 PD13/SEG42 bidirectional Port D bit 13 general-purpose I/O (UART2_RXD) with LCD SEG42.
61 PD14/SEG41 bidirectional Port D bit 14 general-purpose I/O (UART2_TXD) with LCD SEG41.
62 PD15/SEG40 bidirectional Port D bit 15 general-purpose I/O (UART2_CTS) with LCD SEG40.
63 PC06/SEG4 bidirectional Port C bit 6 general-purpose I/O (PCA_CH0, TIM4_CHA, UART3_RXD) with LCD SEG4.
64 PC07/SEG3 bidirectional Port C bit 7 general-purpose I/O (PCA_CH1, TIM5_CHA, UART3_TXD) with LCD SEG3.
65 PC08/SEG2 bidirectional Port C bit 8 general-purpose I/O (PCA_CH2, TIM6_CHA, UART3_CTS) with LCD SEG2.
66 PC09/SEG1 bidirectional Port C bit 9 general-purpose I/O (PCA_CH3, TIM4_CHB, UART3_RTS) with LCD SEG1.
67 PA08/SEG0 bidirectional Port A bit 8 general-purpose I/O (UART0_TXD, TIM3_CH0A, TIM4_CHA) with LCD SEG0.
68 PA09/COM0 bidirectional Port A bit 9 general-purpose I/O (UART0_TXD, I2C0_SCL, TIM3_CH1A) with LCD COM0.
69 PA10/COM1 bidirectional Port A bit 10 general-purpose I/O (UART0_RXD, I2C0_SDA, TIM3_CH2A) with LCD COM1.
70 PA11/COM2 bidirectional Port A bit 11 general-purpose I/O (UART0_CTS, I2C1_SCL, SPI0_MISO) with LCD COM2.
71 PA12/COM3 bidirectional Port A bit 12 general-purpose I/O (UART0_RTS, I2C1_SDA, SPI0_MOSI) with LCD COM3.
72 PA13/SWDIO bidirectional Port A bit 13 general-purpose I/O, also SWDIO serial-wire debug/programming data.
73 PF06 bidirectional General-purpose I/O port F bit 6 (I2C1_SCL, LPUART1_CTS, UART0_CTS).
74 DVSS power_in Digital ground.
75 DVCC power_in Digital power supply (1.8-5.5V).
76 PA14/SWCLK bidirectional Port A bit 14 general-purpose I/O, also SWCLK serial-wire debug/programming clock.
77 PA15 bidirectional General-purpose I/O port A bit 15 (SPI0_CS, UART1_RXD, LPUART1_RTS).
78 PC10/COM4/SEG39 bidirectional Port C bit 10 general-purpose I/O (LPUART1_TXD, LPUART0_TXD, PCA_CH2) with LCD COM4/SEG39.
79 PC11/COM5/SEG38 bidirectional Port C bit 11 general-purpose I/O (LPUART1_RXD, LPUART0_RXD, PCA_CH3) with LCD COM5/SEG38.
80 PC12/COM6/SEG37 bidirectional Port C bit 12 general-purpose I/O (LPUART0_TXD, LPUART1_TXD, PCA_CH4) with LCD COM6/SEG37.
81 PD00 bidirectional General-purpose I/O port D bit 0; digital function SPI1_CS.
82 PD01 bidirectional General-purpose I/O port D bit 1; digital function SPI1_SCK.
83 PD02/COM7/SEG36 bidirectional Port D bit 2 general-purpose I/O (PCA_ECI, LPUART0_RTS, TIM1_ETR) with LCD COM7/SEG36.
84 PD03 bidirectional General-purpose I/O port D bit 3 (UART1_CTS, SPI1_MISO, LPTIM1_TOG).
85 PD04 bidirectional General-purpose I/O port D bit 4 (UART1_RTS, SPI1_MOSI, LPTIM1_TOGN).
86 PD05 bidirectional General-purpose I/O port D bit 5 (UART1_TXD, LPTIM1_GATE).
87 PD06 bidirectional General-purpose I/O port D bit 6 (UART1_RXD, LPTIM1_ETR).
88 PD07 bidirectional General-purpose I/O port D bit 7; digital function UART1_TXD.
89 PB03/SEG35/VLCDH bidirectional Port B bit 3 general-purpose I/O (SPI0_SCK, TIM0_CHB) with LCD SEG35 or VLCDH pin for external resistor/capacitor mode.
90 PB04/SEG34/VLCD3 bidirectional Port B bit 4 general-purpose I/O (SPI0_MISO, PCA_CH0) with LCD SEG34 or VLCD3 pin.
91 PB05/SEG33/VLCD2 bidirectional Port B bit 5 general-purpose I/O (SPI0_MOSI, TIM1_BK) with LCD SEG33 or VLCD2 pin (2/3 VLCDH).
92 PB06/SEG32/VLCD1 bidirectional Port B bit 6 general-purpose I/O (I2C0_SCL, UART0_TXD) with LCD SEG32 or VLCD1 pin (1/3 VLCDH).
93 PB07/SEG31 bidirectional Port B bit 7 general-purpose I/O (I2C0_SDA, UART0_RXD), LVD monitor input, with LCD SEG31.
94 BOOT0 input Boot mode pin (PF11): high at reset selects ISP programming mode, low selects user mode executing Flash code.
95 PB08/SEG29 bidirectional Port B bit 8 general-purpose I/O (I2C0_SCL, TIM1_CHA, UART0_TXD), LVD monitor input, with LCD SEG29.
96 PB09/SEG28 bidirectional Port B bit 9 general-purpose I/O (I2C0_SDA, IR_OUT, SPI1_CS, UART0_RXD) with LCD SEG28.
97 PE00 bidirectional General-purpose I/O port E bit 0; digital function TIM1_CHA.
98 PE01 bidirectional General-purpose I/O port E bit 1; digital function TIM2_CHA.
99 DVSS power_in Digital ground.
100 DVCC power_in Digital power supply (1.8-5.5V).

Key specifications

Parameter Value
Manufacturer HDSC
Package LQFP-100(14x14)
Category Embedded Processors & Controllers
Pins 100

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
External main supply voltage (incl. AVCC and DVCC) VCC - VSS -0.3 5.5 V 49
Voltage difference between different supply pins /ΔVCCx/ 50 mV 49
Voltage difference between different ground pins /VSSx - VSS/ 50 mV 49
Total current into DVCC/AVCC supply lines IVCC 300 mA 49
Total current out of VSS ground lines IVSS 300 mA 49
Output sink current on any I/O and control pin IIO 25 mA 49
Output current on any I/O and control pin IIO -25 mA 49
Injection current on RESETB pin IINJ(PIN) -5 5 mA 49
Injection current on XTHI and XTLI pins IINJ(PIN) -5 5 mA 49
Injection current on other pins IINJ(PIN) -5 5 mA 49
Total injection current on all I/O and control pins ΣIINJ(PIN) -25 25 mA 49
Operating supply voltage VCC 1.8 5.5 V 1
Operating temperature TA -40 85 °C 1
Internal 2.5V reference voltage VREF25 2.475 2.5 2.525 V 25°C, 3.3V 54
Internal 2.5V reference voltage VREF25 2.463 2.5 2.525 V -4085°C, 2.85.5V 54
Internal 1.5V reference voltage VREF15 1.485 1.5 1.515 V 25°C, 3.3V 54
Internal 1.5V reference voltage VREF15 1.477 1.5 1.519 V -4085°C, 1.85.5V 54
Internal 2.5V/1.5V reference temperature coefficient TCoeff 120 ppm/°C -40 ~ 85°C 54
Run mode supply current, RCH 4M IDD 1000 1430 μA All peripherals clock ON, while(1) in Flash, VCAP=1.5V, VCC=1.8-5.5V, TA=-40~85°C, RCH 4M 55
Run mode supply current, RCH 8M IDD 1890 2710 μA All peripherals clock ON, while(1) in Flash, VCAP=1.5V, VCC=1.8-5.5V, TA=-40~85°C, RCH 8M 55
Run mode supply current, RCH 16M IDD 3710 5160 μA All peripherals clock ON, while(1) in Flash, VCAP=1.5V, VCC=1.8-5.5V, TA=-40~85°C, RCH 16M 55
Run mode supply current, RCH 22.12M IDD 5010 7000 μA All peripherals clock ON, while(1) in Flash, VCAP=1.5V, VCC=1.8-5.5V, TA=-40~85°C, RCH 22.12M 55
Run mode supply current, RCH 24M IDD 5400 7570 μA All peripherals clock ON, while(1) in Flash, VCAP=1.5V, VCC=1.8-5.5V, TA=-40~85°C, RCH 24M 55
Run mode supply current, PLL 48M (RCH4M source) IDD 9610 11200 μA All peripherals clock ON, while(1) in Flash, VCAP=1.5V, VCC=1.8-5.5V, TA=-40~85°C, FlashWait=1 55

CAD (KiCad official)

  • Symbol: HC32L176PATA-LQFP100
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: hc32l176pata-lqfp100-etched.step / hc32l176pata-lqfp100-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hc32l176pata-lqfp100.step / hc32l176pata-lqfp100.glb are the bare package body.

Provenance

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

  • Datasheet: HDSC datasheet (98 pp, sha256 566056c166174c9d, 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