Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

STM32F098RCT6

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

STM32F098RCT6 from STMicroelectronics, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VBAT power_in Backup power supply for the RTC, the 32 kHz oscillator and backup registers, specified at 1.65 V to 3.6 V when VDD is not present.
2 PC13 bidirectional Standard 3.3 V I/O supplied through the power switch, which sinks only 3 mA, so output speed must not exceed 2 MHz at 30 pF maximum load and the pin must not be used as a current source.
3 PC14-OSC32_IN bidirectional Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz / 30 pF output limit) that also serves as OSC32_IN for the 32 kHz oscillator.
4 PC15-OSC32_OUT bidirectional Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz / 30 pF output limit) that also serves as OSC32_OUT for the 32 kHz oscillator.
5 PF0-OSC_IN bidirectional 5 V-tolerant FM+-capable I/O (FTf) that is also the OSC_IN pin for the 4 to 32 MHz crystal oscillator, with CRS_SYNC and I2C1_SDA alternate functions.
6 PF1-OSC_OUT bidirectional 5 V-tolerant FM+-capable I/O (FTf) that is also the OSC_OUT pin for the 4 to 32 MHz crystal oscillator, with I2C1_SCL alternate function.
7 NRST bidirectional Bidirectional reset pin with embedded weak pull-up, acting as active-low device reset input and internal reset output.
8 PC0 bidirectional 3.3 V-tolerant TTa I/O directly connected to the ADC (ADC_IN10), also EVENTOUT, USART6_TX and USART7_TX.
9 PC1 bidirectional 3.3 V-tolerant TTa I/O directly connected to the ADC (ADC_IN11), also EVENTOUT, USART6_RX and USART7_RX.
10 PC2 bidirectional 3.3 V-tolerant TTa I/O directly connected to the ADC (ADC_IN12), also SPI2_MISO, I2S2_MCK, EVENTOUT and USART8_TX.
11 PC3 bidirectional 3.3 V-tolerant TTa I/O directly connected to the ADC (ADC_IN13), also SPI2_MOSI, I2S2_SD, EVENTOUT and USART8_RX.
12 VSSA power_in Analog ground for the ADC, DAC, RC oscillators and PLL.
13 VDDA power_in Analog power supply for ADC, DAC, RCs and PLL, from VDD up to 3.6 V, must be established first and must be at least 2.4 V when the ADC or DAC is used.
14 PA0 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN0, WKUP1, RTC_TAMP2, COMP1_OUT and COMP1_INM6 functions, plus USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1 and USART4_TX.
15 PA1 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN1 and COMP1_INP functions, plus USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX and EVENTOUT.
16 PA2 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN2, WKUP4, COMP2_INM6 and COMP2_OUT functions, plus USART2_TX, TIM2_CH3, TIM15_CH1 and TSC_G1_IO3.
17 PA3 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN3 and COMP2_INP functions, plus USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4.
18 VSS power_in Ground pin.
19 VDD power_in Digital power supply, 1.8 V ±8%, for I/O (VDDIO1) and digital logic.
20 PA4 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN4, DAC_OUT1, COMP1_INM4 and COMP2_INM4 functions, plus SPI1_NSS, I2S1_WS, TIM14_CH1, TSC_G2_IO1, USART2_CK and USART6_TX.
21 PA5 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN5, DAC_OUT2, COMP1_INM5 and COMP2_INM5 functions, plus SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2 and USART6_RX.
22 PA6 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN6 function, plus SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT and USART3_CTS.
23 PA7 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN7 function, plus SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4 and EVENTOUT.
24 PC4 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN14 function, plus EVENTOUT and USART3_TX.
25 PC5 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN15 and WKUP5 functions, plus TSC_G3_IO1 and USART3_RX.
26 PB0 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN8 function, plus TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT and USART3_CK.
27 PB1 bidirectional 3.3 V-tolerant TTa I/O with ADC_IN9 function, plus TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N and TSC_G3_IO3.
28 NPOR input Device power-on reset input (active low) with embedded pull-up, powered from VDDA, which must be held low until VDD is stable.
29 PB10 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC and TIM2_CH3 functions.
30 PB11 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1 and I2C2_SDA functions.
31 VSS power_in Ground pin.
32 VDD power_in Digital power supply, 1.8 V ±8%, for I/O (VDDIO1) and digital logic.
33 PB12 bidirectional 5 V-tolerant I/O (FT) with TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2 and EVENTOUT functions.
34 PB13 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N and TSC_G6_IO3 functions.
35 PB14 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1 and TSC_G6_IO4 functions.
36 PB15 bidirectional 5 V-tolerant I/O (FT) with SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2, WKUP7 and RTC_REFIN functions.
37 PC6 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with TIM3_CH1 and USART7_TX functions.
38 PC7 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with TIM3_CH2 and USART7_RX functions.
39 PC8 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with TIM3_CH3 and USART8_TX functions.
40 PC9 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with TIM3_CH4 and USART8_RX functions.
41 PA8 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART1_CK, TIM1_CH1, EVENTOUT, MCO and CRS_SYNC functions.
42 PA9 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART1_TX, TIM1_CH2, TIM15_BKIN, MCO, TSC_G4_IO1 and I2C1_SCL functions.
43 PA10 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART1_RX, TIM1_CH3, TIM17_BKIN, TSC_G4_IO2 and I2C1_SDA functions.
44 PA11 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with CAN_RX, USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT and I2C2_SCL functions.
45 PA12 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with CAN_TX, USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT and I2C2_SDA functions.
46 PA13 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2 that after reset is SWDIO with internal pull-up enabled, also IR_OUT.
47 VSS power_in Ground pin.
48 VDDIO2 power_in Digital power supply for the marked I/Os, 1.65 V to 3.6 V, completely independent from VDD or VDDA but not to be provided without a valid VDD supply.
49 PA14 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2 that after reset is SWCLK with internal pull-down enabled, also USART2_TX.
50 PA15 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR and EVENTOUT functions.
51 PC10 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART3_TX and USART4_TX functions.
52 PC11 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART3_RX and USART4_RX functions.
53 PC12 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART3_CK, USART4_CK and USART5_TX functions.
54 PD2 bidirectional 5 V-tolerant I/O (FT) supplied by VDDIO2, with USART3_RTS, TIM3_ETR and USART5_RX functions.
55 PB3 bidirectional 5 V-tolerant I/O (FT) with SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, EVENTOUT and USART5_TX functions.
56 PB4 bidirectional 5 V-tolerant I/O (FT) with SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2, EVENTOUT and USART5_RX functions.
57 PB5 bidirectional 5 V-tolerant I/O (FT) with SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2, USART5_CK_RTS and WKUP6 functions.
58 PB6 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with I2C1_SCL, USART1_TX, TIM16_CH1N and TSC_G5_IO3 functions.
59 PB7 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N and TSC_G5_IO4 functions.
60 PF11-BOOT0 bidirectional 5 V-tolerant I/O (FT) that is also the BOOT0 pin used for boot memory selection, and the boot pin can be disabled through the boot selector option bits.
61 PB8 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC and CAN_RX functions.
62 PB9 bidirectional 5 V-tolerant FM+-capable I/O (FTf) with SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT and CAN_TX functions.
63 VSS power_in Ground pin.
64 VDD power_in Digital power supply, 1.8 V ±8%, for I/O (VDDIO1) and digital logic.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32F098RCT6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: stm32f098rct6-etched.step / stm32f098rct6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f098rct6.step / stm32f098rct6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (128 pp, sha256 15088ea414db56a4, retrieved 2026-10-08, tier: lcsc)
  • 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