PY32F002BF15P6TU from PUYA, in a TSSOP-20. 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	PA5	bidirectional	General-purpose I/O PA5. Alternate functions: USART_CK, TIM1_CH1, TIM14_CH1. Standard 5V-tolerant I/O.
2	PA6	bidirectional	General-purpose I/O PA6 with ADC_IN3 analog additional function and External_clock_in. Alternate functions: SPI_NSS, USART_TX, EVENTOUT.
3	PA7	bidirectional	General-purpose I/O PA7 with ADC_IN4 analog function. Alternate functions: SPI_MOSI, USART_TX, USART_RX, TIM1_CH4, MCO.
4	PC0/NRST	bidirectional	Configurable as PC0 GPIO or NRST reset input (with internal weak pull-up). Additional functions include ADC_IN5. Alternate functions: SWDIO, TIM1_CH1N, EVENTOUT.
5	PC1/OSC_IN	bidirectional	PC1 GPIO or LSE crystal oscillator input (OSC_IN, 32.768 kHz). Alternate function: SPI_MISO.
6	PB7/OSC_OUT	bidirectional	PB7 GPIO or LSE crystal oscillator output (OSC_OUT, 32.768 kHz). Alternate functions: SPI_MOSI, TIM14_CH1.
7	VSS	power_in	Device ground reference (0 V).
8	PB6/SWDIO	bidirectional	PB6 GPIO / default SWDIO serial-wire debug data pin. Additional function: ADC_IN6. Alternate functions: SPI_MISO, USART_TX, I2C_SDA, SWDIO.
9	VCC	power_in	Digital power supply, 1.7 V - 5.5 V. Also feeds VCCA/VCCIO analog and IO-ring domains from the same PAD (may be split).
10	PB5	bidirectional	General-purpose I/O PB5. Alternate functions: SPI_NSS, USART_RX, TIM1_CH3, TIM14_CH1.
11	PB4	bidirectional	General-purpose I/O PB4. Alternate functions: USART_TX, I2C_SDA, TIM1_BKIN.
12	PB3	bidirectional	General-purpose I/O PB3. Alternate functions: USART_CK, I2C_SCL, TIM1_ETR, CMP1_OUT.
13	PB2	bidirectional	General-purpose I/O PB2. Alternate functions: SPI_SCK, USART_CTS, TIM1_CH1N, TIM1_CH3.
14	PB1	bidirectional	General-purpose I/O PB1 with analog additional functions ADC_IN0, CMP1_INP, CMP1_INM. Alternate functions: USART_RTS, TIM1_CH2N, TIM1_CH4, MCO.
15	PB0	bidirectional	General-purpose I/O PB0 with analog additional functions ADC_IN7 and CMP1_INM. Alternate functions: SPI_SCK, USART_CK, TIM1_CH2, TIM1_CH3N.
16	PA0	bidirectional	General-purpose I/O PA0. Alternate functions: SPI_MOSI, TIM1_CH1.
17	PA1	bidirectional	General-purpose I/O PA1. Alternate functions: SPI_MISO, TIM1_CH2.
18	PA2/SWCLK	bidirectional	PA2 GPIO / default SWCLK serial-wire debug clock. Alternate functions: USART_RX, I2C_SCL, SWCLK, TIM1_CH4, CMP2_OUT.
19	PA3	bidirectional	General-purpose I/O PA3 with analog additional functions ADC_IN1, CMP2_INP, CMP2_INM. Alternate functions: USART_TX, TIM1_CH2.
20	PA4	bidirectional	General-purpose I/O PA4 with analog additional functions ADC_IN2 and CMP2_INM. Alternate functions: USART_RX, TIM1_CH3, TIM14_CH1.

Key specifications

Parameter	Value
Manufacturer	PUYA
Package	TSSOP-20
Category	Embedded Processors & Controllers
Pins	20

Ordering variants

Same part, different packaging or reel option.

PY32F002BF15P6TU
PY32F002BF15U
PY32F002BW15S
PY32F002BD15S
PY32F010MA15N

CAD (KiCad official)

Symbol: PY32F002BF15P6TU
Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
3D model: TSSOP-20 (KiCad packages3D, STEP)

Provenance

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

Datasheet: PUYA datasheet (50 pp, sha256 fbb3d3b7645a5643, 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