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STM32L4R5ZGT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32L4R5ZGT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)
STM32L4R5ZGT6 from STMicroelectronics, in a LQFP-144(20x20). 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 | PE2 | bidirectional | 5 V-tolerant I/O (FT) with LCD function supplied by VLCD; alternate functions include TRACECK, TIM3_ETR, SAI1_CK1 and FMC_A23. |
| 2 | PE3 | bidirectional | 5 V-tolerant I/O (FT) with LCD function supplied by VLCD; alternate functions include TRACED0, TIM3_CH1 and FMC_A19. |
| 3 | PE4 | bidirectional | 5 V-tolerant I/O (FT); alternate functions include TRACED1, TIM3_CH2, DCMI_D4 and FMC_A20. |
| 4 | PE5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions include TRACED2, TIM3_CH3, DCMI_D6 and FMC_A21. |
| 5 | PE6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions include TRACED3, TIM3_CH4, DCMI_D7 and FMC_A22. |
| 6 | VBAT | power_in | Backup-domain supply for the RTC, 32 kHz oscillator and backup registers, operating from 1.55 V to 3.6 V when VDD is absent. |
| 7 | PC13 | bidirectional | I/O supplied through the power switch (3 mA sink limit): output speed ≤2 MHz with 30 pF max load and must not source current; also RTC_TAMP1/RTC_TS/RTC_OUT and WKUP2. |
| 8 | PC14-OSC32_IN | bidirectional | Power-switch supplied GPIO with the same output limits as PC13; serves as LSE 32 kHz oscillator input OSC32_IN. |
| 9 | PC15-OSC32_OUT | bidirectional | Power-switch supplied GPIO with the same output limits as PC13; serves as LSE 32 kHz oscillator output OSC32_OUT. |
| 10 | PF0 | bidirectional | 5 V-tolerant Fm+-capable I/O; alternate functions include I2C2_SDA, OCTOSPIM_P2_IO0 and FMC_A0. |
| 11 | PF1 | bidirectional | 5 V-tolerant Fm+-capable I/O; alternate functions include I2C2_SCL, OCTOSPIM_P2_IO1 and FMC_A1. |
| 12 | PF2 | bidirectional | 5 V-tolerant I/O; alternate functions include I2C2_SMBA, OCTOSPIM_P2_IO2 and FMC_A2. |
| 13 | PF3 | bidirectional | 5 V-tolerant I/O; alternate functions include OCTOSPIM_P2_IO3 and FMC_A3. |
| 14 | PF4 | bidirectional | 5 V-tolerant I/O; alternate functions include OCTOSPIM_P2_CLK and FMC_A4. |
| 15 | PF5 | bidirectional | 5 V-tolerant I/O; alternate function FMC_A5 with EVENTOUT. |
| 16 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 17 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 18 | PF6 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM5_ETR, TIM5_CH1, OCTOSPIM_P1_IO3 and SAI1_SD_B. |
| 19 | PF7 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM5_CH2, OCTOSPIM_P1_IO2 and SAI1_MCLK_B. |
| 20 | PF8 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM5_CH3, OCTOSPIM_P1_IO0 and SAI1_SCK_B. |
| 21 | PF9 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM5_CH4, OCTOSPIM_P1_IO1, SAI1_FS_B and TIM15_CH1. |
| 22 | PF10 | bidirectional | 5 V-tolerant I/O; alternate functions include OCTOSPIM_P1_CLK, DFSDM1_CKOUT, DCMI_D11 and TIM15_CH2. |
| 23 | PH0-OSC_IN | bidirectional | 5 V-tolerant I/O; serves as the HSE crystal oscillator input OSC_IN (4 to 48 MHz crystal). |
| 24 | PH1-OSC_OUT | bidirectional | 5 V-tolerant I/O; serves as the HSE crystal oscillator output OSC_OUT. |
| 25 | NRST | bidirectional | Bidirectional active-low reset pin with embedded weak pull-up. |
| 26 | PC0 | bidirectional | Fm+-capable I/O with analog switch (supplied by VDDA) and LCD function; ADC1_IN1 analog input, alternate functions include LPTIM1_IN1 and I2C3_SCL. |
| 27 | PC1 | bidirectional | Fm+-capable I/O with analog switch (supplied by VDDA) and LCD function; ADC1_IN2, alternate functions include TRACED0, LPTIM1_OUT and I2C3_SDA. |
| 28 | PC2 | bidirectional | I/O with analog switch (supplied by VDDA) and LCD function; ADC1_IN3, alternate functions include LPTIM1_IN2 and SPI2_MISO. |
| 29 | PC3 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); ADC1_IN4, alternate functions include LPTIM1_ETR and SAI1_D1. |
| 30 | VSSA | power_in | Analog ground for ADC, DAC, comparators, operational amplifiers and voltage reference buffer. |
| 31 | VREF- | power_in | Negative reference voltage for the ADC and DAC; must always equal VSSA. |
| 32 | VREF+ | power_in | Positive reference voltage for the ADC and DAC; acts as the VREFBUF output when enabled, and must be between 2 V and VDDA when VDDA ≥ 2 V. |
| 33 | VDDA | power_in | Analog supply for ADC/COMP (1.62 V min), DAC/OPAMP (1.8 V min) and VREFBUF (2.4 V min), up to 3.6 V. |
| 34 | PA0 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); OPAMP1_VINP, ADC1_IN5, TIM2_CH1, RTC_TAMP2 and WKUP1. |
| 35 | PA1 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); OPAMP1_VINM, ADC1_IN6, TIM2_CH2 and SPI1_SCK. |
| 36 | PA2 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); ADC1_IN7, WKUP4/LSCO, TIM2_CH3 and USART2_TX. |
| 37 | PA3 | bidirectional | 3.6 V-tolerant I/O (TT) with analog switch (supplied by VDDA); OPAMP1_VOUT, ADC1_IN8, TIM2_CH4 and USART2_RX. |
| 38 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 39 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 40 | PA4 | bidirectional | 3.6 V-tolerant analog I/O (TT, analog switch supplied by VDDA); ADC1_IN9, DAC1_OUT1, SPI1_NSS and USART2_CK. Injection limited to -5/0 mA. |
| 41 | PA5 | bidirectional | 3.6 V-tolerant analog I/O (TT, analog switch supplied by VDDA); ADC1_IN10, DAC1_OUT2, TIM2_CH1 and SPI1_SCK. Injection limited to -5/0 mA. |
| 42 | PA6 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); OPAMP2_VINP, ADC1_IN11, TIM1_BKIN, SPI1_MISO and USART3_CTS_NSS. |
| 43 | PA7 | bidirectional | Fm+-capable 5 V-tolerant I/O with analog switch (supplied by VDDA); OPAMP2_VINM, ADC1_IN12, TIM1_CH1N and SPI1_MOSI. |
| 44 | PC4 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); COMP1_INM, ADC1_IN13 and USART3_TX. |
| 45 | PC5 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); COMP1_INP, ADC1_IN14, WKUP5 and USART3_RX. |
| 46 | PB0 | bidirectional | 3.6 V-tolerant I/O (TT) with LCD and analog switch functions; OPAMP2_VOUT, ADC1_IN15, COMP1_OUT and SPI1_NSS. |
| 47 | PB1 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); COMP1_INM, ADC1_IN16, TIM1_CH3N and DFSDM1_DATIN0. |
| 48 | PB2 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); COMP1_INP, RTC_OUT, LPTIM1_OUT and LCD_B1. |
| 49 | PF11 | bidirectional | 5 V-tolerant I/O; alternate functions include LCD_DE, DCMI_D12 and DSI_TE. |
| 50 | PF12 | bidirectional | 5 V-tolerant I/O; alternate functions include OCTOSPIM_P2_DQS, LCD_B0 and FMC_A6. |
| 51 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 52 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 53 | PF13 | bidirectional | 5 V-tolerant I/O; alternate functions include I2C4_SMBA, DFSDM1_DATIN6, LCD_B1 and FMC_A7. |
| 54 | PF14 | bidirectional | Fm+-capable 5 V-tolerant I/O; alternate functions include I2C4_SCL, DFSDM1_CKIN6, TSC_G8_IO1 and FMC_A8. |
| 55 | PF15 | bidirectional | Fm+-capable 5 V-tolerant I/O; alternate functions include I2C4_SDA, TSC_G8_IO2 and FMC_A9. |
| 56 | PG0 | bidirectional | 5 V-tolerant I/O; alternate functions include OCTOSPIM_P2_IO4, TSC_G8_IO3 and FMC_A10. |
| 57 | PG1 | bidirectional | 5 V-tolerant I/O; alternate functions include OCTOSPIM_P2_IO5, TSC_G8_IO4 and FMC_A11. |
| 58 | PE7 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_ETR, DFSDM1_DATIN2, LCD_B6 and FMC_D4. |
| 59 | PE8 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH1N, DFSDM1_CKIN2, LCD_B7 and FMC_D5. |
| 60 | PE9 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH1, DFSDM1_CKOUT, LCD_G2 and FMC_D6. |
| 61 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 62 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 63 | PE10 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH2N, TSC_G5_IO1, OCTOSPIM_P1_CLK and FMC_D7. |
| 64 | PE11 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH2, OCTOSPIM_P1_NCS, LCD_G4 and FMC_D8. |
| 65 | PE12 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH3N, SPI1_NSS, TSC_G5_IO3 and FMC_D9. |
| 66 | PE13 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH3, SPI1_SCK, TSC_G5_IO4 and FMC_D10. |
| 67 | PE14 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_CH4, TIM1_BKIN2, SPI1_MISO and FMC_D11. |
| 68 | PE15 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_BKIN, SPI1_MOSI, OCTOSPIM_P1_IO3 and FMC_D12. |
| 69 | PB10 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM2_CH3, I2C2_SCL, SPI2_SCK and USART3_TX. |
| 70 | PB11 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM2_CH4, I2C2_SDA, DSI_TE, COMP2_OUT and USART3_RX. |
| 71 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 72 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 73 | PB12 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1 and USART3_CK. |
| 74 | PB13 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM1_CH1N, I2C2_SCL, SPI2_SCK and USART3_CTS_NSS. |
| 75 | PB14 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM1_CH2N, I2C2_SDA, SPI2_MISO and USART3_RTS_DE. |
| 76 | PB15 | bidirectional | 5 V-tolerant I/O; alternate functions include RTC_REFIN, TIM1_CH3N, SPI2_MOSI and TIM15_CH2. |
| 77 | PD8 | bidirectional | 5 V-tolerant I/O; alternate functions include USART3_TX, DCMI_HSYNC, LCD_R3 and FMC_D13. |
| 78 | PD9 | bidirectional | 5 V-tolerant I/O; alternate functions include USART3_RX, DCMI_PIXCLK, LCD_R4 and FMC_D14. |
| 79 | PD10 | bidirectional | 5 V-tolerant I/O; alternate functions include USART3_CK, TSC_G6_IO1, LCD_R5 and FMC_D15. |
| 80 | PD11 | bidirectional | 5 V-tolerant I/O; alternate functions include I2C4_SMBA, USART3_CTS_NSS, LCD_R6 and FMC_A16. |
| 81 | PD12 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM4_CH1, I2C4_SCL, LCD_R7 and FMC_A17. |
| 82 | PD13 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM4_CH2, I2C4_SDA, TSC_G6_IO4 and FMC_A18. |
| 83 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 84 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 85 | PD14 | bidirectional | 5 V-tolerant I/O with LCD function; alternate functions include TIM4_CH3, LCD_B2 and FMC_D0. |
| 86 | PD15 | bidirectional | 5 V-tolerant I/O with LCD function; alternate functions include TIM4_CH4, LCD_B3 and FMC_D1. |
| 87 | PG2 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include SPI1_SCK, FMC_A12 and SAI2_SCK_B. |
| 88 | PG3 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include SPI1_MISO, FMC_A13 and SAI2_FS_B. |
| 89 | PG4 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include SPI1_MOSI, FMC_A14 and SAI2_MCLK_B. |
| 90 | PG5 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include SPI1_NSS, LPUART1_CTS and FMC_A15. |
| 91 | PG6 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include OCTOSPIM_P1_DQS, I2C3_SMBA, LPUART1_RTS_DE and LCD_R1. |
| 92 | PG7 | bidirectional | Fm+-capable I/O supplied only by VDDIO2 (FT_fs); alternate functions include SAI1_CK1, I2C3_SCL, LPUART1_TX and FMC_INT. |
| 93 | PG8 | bidirectional | Fm+-capable I/O supplied only by VDDIO2 (FT_fs); alternate functions include I2C3_SDA and LPUART1_RX. |
| 94 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 95 | VDDIO2 | power_in | Supply for the 14 I/Os of port PG[15:2]; 1.08 V to 3.6 V when at least one of these I/Os is used, connect to VDD if unused. |
| 96 | PC6 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM3_CH1, TIM8_CH1, DCMI_D0, LCD_R0 and SDMMC1_D6. |
| 97 | PC7 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM3_CH2, TIM8_CH2, DCMI_D1, LCD_R1 and SDMMC1_D7. |
| 98 | PC8 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM3_CH3, TIM8_CH3, TSC_G4_IO3, DCMI_D2 and SDMMC1_D0. |
| 99 | PC9 | bidirectional | Fm+-capable 5 V-tolerant I/O; alternate functions include TIM3_CH4, TIM8_CH4, DCMI_D3, I2C3_SDA and SDMMC1_D1. |
| 100 | PA8 | bidirectional | Fm+-capable 5 V-tolerant I/O; alternate functions include MCO, TIM1_CH1, USART1_CK and OTG_FS_SOF. |
| 101 | PA9 | bidirectional | Fm+-capable 5 V-tolerant I/O with USB function supplied by VDDUSB; alternate functions include TIM1_CH2, USART1_TX and OTG_FS_VBUS. |
| 102 | PA10 | bidirectional | Fm+-capable 5 V-tolerant I/O with USB function supplied by VDDUSB; alternate functions include TIM1_CH3, USART1_RX and OTG_FS_ID. |
| 103 | PA11 | bidirectional | 5 V-tolerant I/O with USB function supplied by VDDUSB; alternate functions include TIM1_CH4, SPI1_MISO, CAN1_RX and OTG_FS_DM. |
| 104 | PA12 | bidirectional | 5 V-tolerant I/O with USB function supplied by VDDUSB; alternate functions include TIM1_ETR, SPI1_MOSI, CAN1_TX and OTG_FS_DP. |
| 105 | PA13 (JTMS/SWDIO) | bidirectional | 5 V-tolerant I/O; after reset it is the JTMS/SWDIO debug function with internal pull-up enabled. |
| 106 | VDDUSB | power_in | Independent supply for USB transceivers, 3.0 V to 3.6 V when USB is used. |
| 107 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 108 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 109 | PA14 (JTCK/SWCLK) | bidirectional | 5 V-tolerant I/O; after reset it is the JTCK/SWCLK debug function with internal pull-down enabled. |
| 110 | PA15 (JTDI) | bidirectional | 5 V-tolerant I/O; after reset it is the JTDI debug function with internal pull-up enabled; alternate functions include TIM2_CH1 and USART2_RX. |
| 111 | PC10 | bidirectional | 5 V-tolerant I/O; alternate functions include TRACED1, SPI3_SCK, USART3_TX, UART4_TX and DCMI_D8. |
| 112 | PC11 | bidirectional | 5 V-tolerant I/O; alternate functions include DCMI_D2, OCTOSPIM_P1_NCS, SPI3_MISO and USART3_RX. |
| 113 | PC12 | bidirectional | 5 V-tolerant I/O; alternate functions include TRACED3, SPI3_MOSI, USART3_CK and UART5_TX. |
| 114 | PD0 | bidirectional | 5 V-tolerant I/O; alternate functions include SPI2_NSS, CAN1_RX, LCD_B4 and FMC_D2. |
| 115 | PD1 | bidirectional | 5 V-tolerant I/O; alternate functions include SPI2_SCK, CAN1_TX, LCD_B5 and FMC_D3. |
| 116 | PD2 | bidirectional | 5 V-tolerant I/O; alternate functions include TRACED2, TIM3_ETR, UART5_RX and SDMMC1_CMD. |
| 117 | PD3 | bidirectional | 5 V-tolerant I/O; alternate functions include SPI2_SCK, DCMI_D5, OCTOSPIM_P2_NCS, LCD_CLK and FMC_CLK. |
| 118 | PD4 | bidirectional | 5 V-tolerant I/O; alternate functions include SPI2_MOSI, USART2_RTS_DE, OCTOSPIM_P1_IO4 and FMC_NOE. |
| 119 | PD5 | bidirectional | 5 V-tolerant I/O; alternate functions include USART2_TX, OCTOSPIM_P1_IO5 and FMC_NWE. |
| 120 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 121 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
| 122 | PD6 | bidirectional | 5 V-tolerant I/O; alternate functions include SAI1_D1, DCMI_D10, SPI3_MOSI, USART2_RX and FMC_NWAIT. |
| 123 | PD7 | bidirectional | 5 V-tolerant I/O; alternate functions include DFSDM1_CKIN1, USART2_CK, OCTOSPIM_P1_IO7 and FMC_NCE/FMC_NE1. |
| 124 | PG9 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include OCTOSPIM_P2_IO6, SPI3_SCK, USART1_TX and FMC_NCE/FMC_NE2. |
| 125 | PG10 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include LPTIM1_IN1, SPI3_MISO, USART1_RX and FMC_NE3. |
| 126 | PG11 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include LPTIM1_IN2, SPI3_MOSI, USART1_CTS_NSS and TIM15_CH2. |
| 127 | PG12 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include LPTIM1_ETR, SPI3_NSS, USART1_RTS_DE and FMC_NE4. |
| 128 | PG13 | bidirectional | Fm+-capable I/O supplied only by VDDIO2 (FT_fs); alternate functions include I2C1_SDA, USART1_CK, LCD_R0 and FMC_A24. |
| 129 | PG14 | bidirectional | Fm+-capable I/O supplied only by VDDIO2 (FT_fs); alternate functions include I2C1_SCL, LCD_R1 and FMC_A25. |
| 130 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 131 | VDDIO2 | power_in | Supply for the 14 I/Os of port PG[15:2]; 1.08 V to 3.6 V when at least one of these I/Os is used, connect to VDD if unused. |
| 132 | PG15 | bidirectional | I/O supplied only by VDDIO2 (FT_s); alternate functions include LPTIM1_OUT, I2C1_SMBA, OCTOSPIM_P2_DQS and DCMI_D13. |
| 133 | PB3 (JTDO/TRACESWO) | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); JTDO/TRACESWO debug function, alternate functions include TIM2_CH2, SPI1_SCK and COMP2_INM. |
| 134 | PB4 (NJTRST) | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); NJTRST debug function after reset with internal pull-up enabled; alternate functions include TIM3_CH1 and COMP2_INP. |
| 135 | PB5 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); alternate functions include LPTIM1_IN1, TIM3_CH2, SPI1_MOSI and COMP2_OUT. |
| 136 | PB6 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); alternate functions include LPTIM1_ETR, TIM4_CH1, I2C1_SCL and COMP2_INP. |
| 137 | PB7 | bidirectional | 5 V-tolerant I/O with analog switch (supplied by VDDA); alternate functions include LPTIM1_IN2, TIM4_CH2, I2C1_SDA, DSI_TE and PVD_IN. |
| 138 | PH3-BOOT0 | bidirectional | Boot selection pin BOOT0 (I/O, FT), with input voltage allowed from 0 to 9 V per the absolute maximum table; EVENTOUT alternate function. |
| 139 | PB8 | bidirectional | Fm+-capable 5 V-tolerant I/O with LCD function; alternate functions include TIM4_CH3, SAI1_CK1, I2C1_SCL, CAN1_RX and SDMMC1_D4. |
| 140 | PB9 | bidirectional | Fm+-capable 5 V-tolerant I/O; alternate functions include IR_OUT, TIM4_CH4, SAI1_D2, I2C1_SDA, SPI2_NSS and CAN1_TX. |
| 141 | PE0 | bidirectional | 5 V-tolerant I/O; alternate functions include TIM4_ETR, DCMI_D2, LCD_HSYNC, FMC_NBL0 and TIM16_CH1. |
| 142 | PE1 | bidirectional | 5 V-tolerant I/O; alternate functions include DCMI_D3, LCD_VSYNC, FMC_NBL1 and TIM17_CH1. |
| 143 | VSS | power_in | Ground reference pin for the digital supply domain. |
| 144 | VDD | power_in | Main supply for I/Os, internal regulator and system analog; 1.71 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-144(20x20) |
| Category | Embedded Processors & Controllers |
| Pins | 144 |
CAD (KiCad official)
- Symbol:
STM32L4R5ZGT6 - Footprint:
Package_QFP:LQFP-144_20x20mm_P0.5mm - 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
- 3D model files:
stm32l4r5zgt6-etched.step/stm32l4r5zgt6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l4r5zgt6.step/stm32l4r5zgt6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (307 pp, sha256
049cc34598b1e11a, retrieved 2026-10-08, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).