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Contents

README

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HC32F448KCTI-LQFP64

XHSC · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

HC32F448KCTI-LQFP64 from XHSC, in a LQFP-64(10x10). 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 PH2/FG2 bidirectional GPIO, 5V-tolerant (input must not exceed 5 V); alternate functions include EIRQ2, TRACED2 and FCMREF (frequency-monitor reference clock input).
2 PC13/FG2 bidirectional GPIO, 5V-tolerant (input must not exceed 5 V); alternate functions include EIRQ13, RTC_OUT and VCOUT4.
3 PC14/XTAL32_IN input External 32.768 kHz (sub-clock) oscillator input; the pin is also usable as a 5V-tolerant GPIO (PC14).
4 PC15/XTAL32_OUT output External 32.768 kHz (sub-clock) oscillator output; the pin is also usable as a 5V-tolerant GPIO (PC15).
5 PH0/XTAL_IN input External main clock oscillator input for a 4-25 MHz crystal or resonator; the pin is also usable as a 5V-tolerant GPIO (PH0).
6 PH1/XTAL_EXT/XTAL_OUT bidirectional External main clock input (1-25 MHz external clock source) or main oscillator output (XTAL_OUT); the pin is also usable as a 5V-tolerant GPIO (PH1).
7 NRST input Reset input, active low; when not used, connect a resistor to VCC as a pull-up.
8 PC0/ADC12_IN10/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC12_IN10 and comparator inputs CMP3_INP3/CMP4_INP3.
9 PC1/ADC12_IN11/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC12_IN11 analog input.
10 PC2/ADC1_IN12/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC1_IN12 analog input.
11 PC3/ADC1_IN13/FG1 bidirectional GPIO not 5V-tolerant (input must not exceed VCC); analog input must not exceed VREFH/AVCC; ADC1_IN13 and comparator input CMP1_INM2.
12 AVSS/VREFL power_in Analog ground and low-side ADC reference; tie to VSS when no separate analog supply is used and do not leave floating.
13 AVCC/VREFH power_in Analog supply at the same voltage as VCC (1.8-3.6 V) and high-side ADC reference; tie to VCC when no separate analog supply is used and do not leave floating.
14 PA0/ADC1_IN0/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC1_IN0 and CMP1_INP1 analog inputs.
15 PA1/ADC1_IN1/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC1_IN1 and CMP1_INP2 analog inputs.
16 PA2/ADC1_IN2/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC1_IN2 and CMP1_INP3 analog inputs.
17 PA3/ADC1_IN3/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC1_IN3, CMP1_INP4 and CMP2_INP4 analog inputs.
18 VSS power_in Power ground, 0 V; decouple VCC to this pin with capacitors placed close to the pins.
19 VCC power_in Power supply, 1.8 V to 3.6 V; place decoupling capacitors close to the VSS pin.
20 PA4/ADC12_IN4/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC12_IN4, CMP2_INP1, CMP3_INP4 and DAC_OUT1 analog signals.
21 PA5/ADC12_IN5/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC12_IN5, CMP2_INP2 and DAC_OUT2 analog signals.
22 PA6/ADC123_IN6/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC123_IN6 and CMP2_INP3 analog inputs.
23 PA7/ADC123_IN7/FG1 bidirectional GPIO not 5V-tolerant (input must not exceed VCC); analog input must not exceed VREFH/AVCC; ADC123_IN7 and CMP1234_INM1 analog inputs.
24 PC4/ADC1_IN14/FG1 bidirectional GPIO not 5V-tolerant (input must not exceed VCC); analog input must not exceed VREFH/AVCC; ADC1_IN14 and CMP2_INM2 analog inputs.
25 PC5/ADC1_IN15/FG1 bidirectional GPIO not 5V-tolerant (input must not exceed VCC); analog input must not exceed VREFH/AVCC; ADC1_IN15 and CMP3_INM2 analog inputs.
26 PB0/ADC123_IN8/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC123_IN8 and CMP3_INP1 analog inputs.
27 PB1/ADC123_IN9/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC123_IN9 and CMP4_INP2 analog inputs.
28 PB2/PVD2EXINP/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); also the PVD2 external comparison voltage input PVD2EXINP.
29 PB10/ADC3_IN11/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); analog input must not exceed VREFH/AVCC; ADC3_IN11 analog input.
30 VCAP_1 passive Core voltage pin; connect a capacitor close to VSS to stabilize the core voltage as specified in the electrical characteristics.
31 VSS power_in Power ground, 0 V.
32 VCC power_in Power supply, 1.8 V to 3.6 V; place decoupling capacitors close to the VSS pin.
33 PB12/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ12, VCOUT1 and QSPI_IO1.
34 PB13/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ13, VCOUT2 and QSPI_IO0.
35 PB14/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ14, VCOUT3 and QSPI_SCK.
36 PB15/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ15, RTC_OUT and USART3_CK.
37 PC6/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ6, CTCREF and QSPI_SCK.
38 PC7/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ7, TMR4_2_CLK and QSPI_NSS.
39 PC8/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ8, USART3_CK and EXMC_DATA14.
40 PC9/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ9, MCO_2 and EXMC_DATA15.
41 PA8/FG1 bidirectional GPIO not 5V-tolerant (input must not exceed VCC); also comparator input CMP4_INM2 and MCO_1 clock output.
42 PA9/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); also comparator input CMP4_INP1 and CTCREF.
43 PA10/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); also comparator input CMP4_INP4 and USART6_CK.
44 PA11/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ11, EMB_IN1 and USART5_CK.
45 PA12/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ12, USART6_CK and EXMC_DATA6.
46 PA13/JTMS_SWDIO/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); serves as JTAG TMS / SWD data I/O (JTMS_SWDIO) in debug mode.
47 VSS power_in Power ground, 0 V.
48 VCC power_in Power supply, 1.8 V to 3.6 V; place decoupling capacitors close to the VSS pin.
49 PA14/JTCK_SWCLK/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); serves as JTAG TCK / SWD clock (JTCK_SWCLK) in debug mode.
50 PA15/JTDI/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); serves as JTAG data input (JTDI) in debug mode.
51 PC10/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ10, TMR4_3_OUH and TMRA_5_PWM1.
52 PC11/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ11, TMR4_3_OVH and TMRA_5_PWM2.
53 PC12/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ12, TMR4_3_OWH and TMRA_5_PWM3.
54 PD2/FG1 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ2, TMR4_1_OXH and TMRA_2_PWM4.
55 PB3/JTDO_SWO/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); serves as JTAG TDO / SWO trace output (JTDO_TRACESWO) in debug mode.
56 PB4/JTRST/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); serves as JTAG reset input (NJTRST) in debug mode.
57 PB5/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ5, WKUP1_1 and ADTRG3.
58 PB6/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ6, WKUP1_2 and ADTRG2.
59 PB7/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ7, WKUP1_3 and ADTRG1.
60 PB11/MD bidirectional Mode input MD: must be held low when NRST is released, with a recommended 4.7 kΩ pull-down to VSS; the pin is also a 5V-tolerant GPIO (PB11).
61 PB8/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ8, USART5_CK and EXMC_WE.
62 PB9/FG2 bidirectional 5V-tolerant GPIO (input must not exceed 5 V); alternate functions include EIRQ9, EMB_IN4 and EXMC_OE.
63 VSS power_in Power ground, 0 V.
64 VCC power_in Power supply, 1.8 V to 3.6 V; place decoupling capacitors close to the VSS pin.

Key specifications

Parameter Value
Manufacturer XHSC
Package LQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC-VSS (incl. AVCC, VCC) VCC-VSS -0.3 4 V 40
Total current into all VCCx supply lines (source) ΣIVCC 240 mA 40
Maximum current into each VCCx supply line (source) IVCC 100 mA 40
Total current out of all VSSx ground lines (sink) ΣIVSS -240 mA 40
Maximum current out of each VSSx ground line (sink) IVSS -100 mA 40
Output sink current on any I/O and control pin IIO 20 mA 40
Output source current on any I/O and control pin IIO -20 mA 40
Total output sink current, all I/O and control pins ΣIIO 120 mA Applies to 64-pin and larger packages (48-pin: 80 mA; 32-pin: 40 mA) 40
Total output source current, all I/O and control pins ΣIIO -120 mA Applies to 64-pin and larger packages (48-pin: -80 mA; 32-pin: -40 mA) 40
Storage temperature range TSTG -65 150 °C 40
Maximum junction temperature range TJ -40 125 °C 40
Internal AHB clock frequency, ultra-low-speed mode fHCLK 8 MHz PWRC2.DVS=0b10, PWRC3.DDAS=0b0000 34
NRST reset minimum pulse width TNRST 10 µs 35
Run current, all module clocks OFF, while(1) ICC_RUN 33 mA fHCLK=200MHz, TA=105°C, VCC=1.8~3.6V 44
Run current, all module clocks ON, while(1) ICC_RUN 48 mA fHCLK=200MHz, TA=105°C, VCC=1.8~3.6V 44
Dhrystone current, cache OFF ICC_DHRYSTONE 34 mA fHCLK=200MHz, TA=105°C, VCC=1.8~3.6V 44
Sleep current, all module clocks OFF ICC_SLEEP 24 mA fHCLK=200MHz, TA=105°C, VCC=1.8~3.6V 44
Sleep current, all module clocks ON ICC_SLEEP 39 mA fHCLK=200MHz, TA=105°C, VCC=1.8~3.6V 44
Flash supply current, read mode IVCC 5 mA VCC=1.8~3.6V 45
Flash supply current, program mode IVCC 10 mA VCC=1.8~3.6V 45
Flash supply current, block erase mode IVCC 10 mA VCC=1.8~3.6V 45
Flash supply current, full erase mode IVCC 10 mA VCC=1.8~3.6V 45
Oscillator frequency (XTAL crystal/resonator) fXTAL_IN 4 25 MHz 42
HRC frequency accuracy -2 2 % TA=-40~105°C 44
PLL PFD input clock frequency fPLL_IN 4 25 MHz 45
Schmitt input hysteresis VHYS 0.1 0.2 V 1.8≤VCC≤3.6 47
I/O input leakage current ILKG 1 µA VSS≤VIN≤VCC 47
I/O input leakage current ILKG 10 µA VIN=5.5V 47
Weak pull-up equivalent resistance RPU 10 30 150 kΩ VIN=VSS, 1.8≤VCC≤3.6 47
CMOS/Schmitt TTL-compatible input low level TTL_VIL 0.8 V 2.7≤VCC≤3.6 47

CAD (KiCad official)

  • Symbol: HC32F448KCTI-LQFP64
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: hc32f448kcti-lqfp64-etched.step / hc32f448kcti-lqfp64-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hc32f448kcti-lqfp64.step / hc32f448kcti-lqfp64.glb are the bare package body.

Provenance

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

  • Datasheet: XHSC datasheet (94 pp, sha256 69113ad72760a1d2, retrieved 2026-10-19, 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-haiku-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