N32G435CBL7 from Nations Technologies Inc, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	VDD	power_in	Main digital supply. 1.8-3.6 V. Bypass with 100 nF + shared 4.7 uF close to the pin.
2	PC13-TAMPER-RTC	bidirectional	General-purpose I/O PC13; alt: TIM1_CH1N, EVENTOUT; option: TAMP1-RTC, RTC_OUT, WKUP2. Low-drive pin (max 3 mA out at 2 MHz, 30 pF).
3	PC14-OSC32_IN	bidirectional	GPIO PC14; option: OSC32_IN - LSE 32.768 kHz crystal input. Low-drive pin (3 mA).
4	PC15-OSC32_OUT	bidirectional	GPIO PC15; option: OSC32_OUT - LSE 32.768 kHz crystal output. Low-drive pin (3 mA).
5	PD14-OSC_IN	bidirectional	GPIO PD14; option: OSC_IN - HSE crystal input (4-32 MHz). Alt: USART2_TX, I2C2_SDA, TIM1_CH3N.
6	PD15-OSC_OUT	bidirectional	GPIO PD15; option: OSC_OUT - HSE crystal output. Alt: USART2_RX, I2C2_SCL.
7	NRST	input	Bidirectional device reset, active low. Internal pull-up. Drive low to reset the MCU.
8	VSSA/VREF-	power_in	Analog ground and negative reference for ADC/DAC. Tie to VSS at a single point.
9	VDDA/VREF+	power_in	Analog supply and positive reference for ADC/DAC/OPAMP/COMP/TSC. 1.8-3.6 V. Bypass with 10 nF + 1 uF; VREF caps 100 nF + 1 uF.
10	PA0	bidirectional	GPIO with rich mux: USART2_CTS, LPUART_RX, TIM2_CH1/ETR, TIM5_CH1, TIM8_ETR, SPI1_MISO, I2S1_MCK, COMP1_OUT. Analog: ADC_IN1, COMP1_INM/INP, WKUP1, TAMP2-RTC.
11	PA1	bidirectional	GPIO. Alt: USART2_RTS, LPUART_TX, TIM5_CH2, TIM2_CH2. Analog: ADC1_IN2, COMP1_INP, OPAMP1_VINP.
12	PA2	bidirectional	GPIO. Alt: USART2_TX, TIM5_CH3, TIM2_CH3, TSC_CH1, I2C2_SDA, COMP2_OUT. Analog: ADC_IN3, OPAMP1_VOUT, COMP1_INP, COMP2_INM.
13	PA3	bidirectional	GPIO. Alt: USART2_RX, LPUART_RX, TIM5_CH4, TIM2_CH4, I2C2_SCL, TSC_CH4. Analog: ADC_IN4, COMP1_INP, COMP2_INP, OPAMP1_VINM.
14	PA4	bidirectional	GPIO. Alt: USART2_CK, LPUART_TX, I2C1_SCL, SPI1_NSS, I2S1_WS, USART1_TX, TSC_CH5. Analog: DAC_OUT, ADC_IN5, COMP1_INM, COMP2_INM, OPAMP1_VINP, OPAMP2_VINP.
15	PA5	bidirectional	GPIO. Alt: SPI1_SCK, I2C1_SDA, I2S1_CK, USART1_RX, TSC_CH6. Analog: ADC_IN6, COMP1/2_INM, OPAMP1/2_VINP.
16	PA6	bidirectional	GPIO. Alt: LPUART_CTS, SPI1_MISO, I2S1_MCK, TIM8_BKIN, TIM3_CH1, TIM1_BKIN, COMP2_OUT, TSC_CH23. Analog: ADC_IN7, OPAMP2_VOUT, COMP2_INM/INP.
17	PA7	bidirectional	GPIO. Alt: SPI1_MOSI, I2S1_SD, TIM1_CH1N, TIM8_CH1N, TIM3_CH2, COMP2_OUT, TSC_CH20. Analog: ADC_IN8, COMP2_INP, OPAMP1/2_VINP.
18	PB0	bidirectional	GPIO. Alt: TIM1_CH2N, TIM3_CH3, TIM8_CH2N, TSC_CH7, UART4_TX. Analog: ADC_IN9, OPAMP2_VOUT, OPAMP2_VINM.
19	PB1	bidirectional	GPIO. Alt: LPUART_RTS, TIM1_CH3N, TIM3_CH4, TIM8_CH3N, TSC_CH8, UART4_RX. Analog: ADC_IN10.
20	PB2	bidirectional	GPIO. Alt: LPTIM_OUT, TSC_CH9, TIM9_ETR.
21	PB10	bidirectional	GPIO. Alt: USART3_TX, LPUART_TX, I2C2_SCL, TIM2_CH3, TSC_CH19. Analog: COMP1_INP.
22	PB11	bidirectional	GPIO. Alt: USART3_RX, LPUART_RX, I2C2_SDA, TIM2_CH4, TSC_CH10.
23	VSS	power_in	Digital ground.
24	VDD	power_in	Main digital supply. 1.8-3.6 V. Bypass with 100 nF close to the pin.
25	PB12	bidirectional	GPIO. Alt: SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, LPUART_RTS, TSC_CH11, TIM9_CH1.
26	PB13	bidirectional	GPIO. Alt: SPI2_SCK, I2S2_CK, USART3_CTS, I2C2_SCL, LPUART_CTS, TIM1_CH1N, TIM9_CH2, TSC_CH16.
27	PB14	bidirectional	GPIO. Alt: SPI2_MISO, I2S2_MCK, TIM1_CH2N, USART3_RTS, I2C2_SDA, LPUART_RTS, TSC_CH12, TIM9_CH3, UART4_TX. Analog: OPAMP2_VINP.
28	PB15	bidirectional	GPIO. Alt: UART4_RX, SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM9_CH4, TSC_CH15.
29	PA8	bidirectional	GPIO. Alt: USART1_CK, I2C2_SMBA, TIM1_CH1, I2C2_SDA, SPI1_NSS, I2S1_WS, MCO. Option: WKUP0, TAMP3-RTC.
30	PA9	bidirectional	GPIO. Alt: USART1_TX, I2C2_SCL, TIM1_CH2.
31	PA10	bidirectional	GPIO. Alt: USART1_RX, I2C2_SDA, SPI1_SCK, SPI2_SCK, I2S1_CK, I2S2_CK, TIM1_CH3.
32	PA11-USB_DM	bidirectional	USB 2.0 FS Device D- (USB_DM). Also GPIO PA11; alt: USART1_CTS, SPI2_MISO, I2S2_MCK, CAN_RX, TIM1_CH4, COMP1_OUT; analog COMP2_INP. Not fail-safe.
33	PA12-USB_DP	bidirectional	USB 2.0 FS Device D+ (USB_DP). Also GPIO PA12; alt: USART1_RTS, SPI2_MOSI, I2S2_SD, CAN_TX, TIM1_ETR, COMP2_OUT; analog COMP1_INP. Not fail-safe.
34	PA13	bidirectional	SWDIO-JTMS after reset - serial-wire debug data. GPIO alt: SPI2_NSS, I2S2_WS.
35	VSS	power_in	Digital ground.
36	VDD	power_in	Main digital supply. 1.8-3.6 V.
37	PA14	bidirectional	SWCLK-JTCK after reset - serial-wire debug clock. GPIO alt: USART2_CK, I2C1_SDA, COMP2_OUT.
38	PA15	bidirectional	GPIO. Alt: JTDI, USART2_CTS, I2C1_SCL, SPI1_NSS, I2S2_WS, TIM2_CH1, TIM2_ETR. Analog: COMP2_INP.
39	PB3	bidirectional	GPIO. Alt: USART2_RTS, SPI1_SCK, I2S1_CK, TIM2_CH2, JTDO-TRACESWO. Analog: COMP1_INP, COMP2_INM.
40	PB4	bidirectional	GPIO. Alt: USART2_TX, SPI1_MISO, I2S1_MCK, TIM3_CH1, UART5_TX. Analog: COMP1_INP.
41	PB5	bidirectional	GPIO. Alt: USART2_RX, I2C1_SMBA, SPI1_MOSI, I2S1_SD, TIM3_CH2, UART5_RX, LPTIM_IN1. Analog: COMP1_INM.
42	PB6	bidirectional	GPIO. Alt: USART1_TX, LPUART_TX, I2C1_SCL, SPI1_NSS, I2S1_WS, TIM1_CH2N, TIM4_CH1, SPI2_SCK, I2S2_CK, LPTIM_ETR, COMP1_OUT.
43	PB7	bidirectional	GPIO. Alt: USART1_RX, LPUART_RX, I2C1_SDA, TIM4_CH2, TSC_OUT, LPTIM_IN2, PVD_IN. Analog: COMP2_INP.
44	PD0-BOOT0	bidirectional	BOOT0 pin - samples boot mode at reset (0 = user Flash, 1 = system bootloader / SRAM). Doubles as GPIO PD0. Alt: TRACECK.
45	PB8	bidirectional	GPIO. Alt: I2C1_SCL, CAN_RX, TIM4_CH3, USART1_TX, UART5_TX, COMP1_OUT.
46	PB9	bidirectional	GPIO. Alt: I2C1_SDA, CAN_TX, TIM4_CH4, UART5_RX, COMP2_OUT.
47	VSS	power_in	Digital ground.
48	VDD	power_in	Main digital supply. 1.8-3.6 V.

Key specifications

Parameter	Value
Manufacturer	Nations Technologies Inc
Package	LQFP-48(7x7)
Category	MCU
Pins	48

Ordering variants

Same part, different packaging or reel option.

N32G435KBL7
N32G435K8Q7
N32G435CBL7
N32G435C8L7
N32G435RBL7
N32G435RBL7-1

CAD (KiCad official)

Symbol: N32G435CBL7
Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
3D model: LQFP-48(7x7) (KiCad packages3D, STEP)

Provenance

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

Datasheet: Nations Technologies Inc datasheet (81 pp, sha256 05c5ab9754fa9c4f, retrieved 2026-08-17, 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: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF