Pin Specifications

Pin Configuration 144 CSBGA
PIN NAME FUNCTION MODE FUNCTION
Primary Signal (Default) Alternate Function 1 Alternate Function 2
Pin Description
POWER (See the Applications Information section for bypass capacitor recommendations.)
A10 VBAT Battery Power Supply. Bypass device pin A10 with a 1μF capacitor placed as close as possible to this pin and the VSSPWR pin. This pin must be connected to VREGI and VDDIOH at the circuit board level.
C13 VREGI Battery Power Supply for the SIMO Switch-Mode Power Supply (SMPS). Bypass this pin with 2 x 47μF capacitors placed as close as possible to this pin and the VSSPWR pin. This pin must be connected to VBAT and VDDIOH. If the power to the device is cycled, the voltage applied to this pin must reach VREGI_POR.
B10 VDDA 1.8V Analog Power Supply. Bypass this pin with a 1μF capacitor placed as close as possible to this pin and VSSA. This device pin must be connected to VDDIO.
D12 VDDB USB Transceiver Supply Voltage. Bypass this pin to VSSB with a 1.0μF capacitor as close as possible to the package.
A4 VREF ADC External Reference Input. Bypass this pin with a 1μF capacitor placed as close as possible to this pin and VSSA as possible. This is the reference input for the analog-to-digital converter (ADC). If the external reference is not used, tie this pin to VSSA through a 500Ω resistor.
A8 VCOREA Digital Core Supply Voltage A. Bypass this pin to VSS with a 1μF capacitor placed as close to this pin as possible.
B8 VCOREB Digital Core Supply Voltage B. Bypass this pin to VSS with a 1μF capacitor placed as close to this pin as possible.
B12 VBST Boosted Supply Voltage for the Gate Drive of High-Side Switches. Bypass VBST to LXB with a 3.3nF capacitor.
B11 VREGO_A Buck Converter A Voltage Output. Bypass this pin with a 22μF capacitor to VSS placed as close as possible to this pin.
C11 VREGO_B Buck Converter B Voltage Output. Bypass this pin with a 22μF capacitor to VSS placed as close as possible to this pin.
A11 VREGO_C Buck Converter C Voltage Output. Bypass this pin with a 22μF capacitor to VSS placed as close as possible to this pin.
D1 VDDIO GPIO Supply Voltage. Bypass this pin to VSS with a 1.0μF capacitor placed as close as possible to the package.
E1 VDDIOH GPIO Supply Voltage, High. VDDIOH ≥ VDDIO. Bypass this pin to VSS with a 1.0μF capacitor placed as close as possible to the package. This device pin must be connected to VREGI and VBAT.
E12 VUSB0P9 Bypass with 1μF capacitor to VSSB. Do not connect this device pin to any other external circuitry.
C8 VCSI2P5 Bypass with 1μF capacitor to VSS. Do not connect this device pin to any other external circuitry.
F1, G1, A2, G2, G3, G4, A5, B5, C5, D5, M6, N6, K7, L7, M7, N7, C9, F10, F11, F12, G12, F13, G13 VSS Digital Ground.
B4 VSSA Analog Ground. This pin is the return path for VREF and VDDA.
A13 VSSPWR Ground for the SIMO Switch-Mode Power Supply (SMPS). This device pin is the return path for the VREG.
C12 VSSB USB Transceiver Ground.
B13 LXA Switching Inductor Input A. Connect a 2.2μH inductor between LXA and LXB.
A12 LXB Switching Inductor Input B. Connect a 2.2μH inductor between LXA and LXB.
N1, N2, N3 VCNN0 Voltage Supply for CNN x16 Processor Quadrant 0. Bypass this pin with 3 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
H1, H2, H3 VCNN1 Voltage Supply for CNN x16 Processor Quadrant 1. Bypass this pin with 3 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
N11, N12, N13 VCNN2 Voltage Supply for CNN x16 Processor Quadrant 2. Bypass this pin with 3 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
H11, H12, H13 VCNN3 Voltage Supply for CNN x16 Processor Quadrant 3. Bypass this pin with 3 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
M1, M2 VCNN0RAM Voltage Supply for the RAM for the CNN x16 Processor Quadrant 0. Bypass this pin with 2 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
J1, J2 VCNN1RAM Voltage Supply for the RAM for the CNN x16 Processor Quadrant 1. Bypass this pin with 2 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
M12, M13 VCNN2RAM Voltage Supply for the RAM for the CNN x16 Processor Quadrant 2. Bypass this pin with 2 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
J12, J13 VCNN3RAM Voltage Supply for the RAM for the CNN x16 Processor Quadrant 3. Bypass this pin with 2 x 1μF capacitors as close to this pin as possible and a 22μF capacitor as close as possible to the package.
K9 VCNN0_EN Enable Output for the Voltage Supply for CNN x16 Processor Quadrant 0.
M9 VCNN1_EN Enable Output for the Voltage Supply for CNN x16 Processor Quadrant 1.
L10 VCNN2_EN Enable Output for the Voltage Supply for CNN x16 Processor Quadrant 2.
N10 VCNN3_EN Enable Output for the Voltage Supply for CNN x16 Processor Quadrant 3.
L9 VCNN0RAM_EN Enable Output for the Voltage Supply for the RAM for the CNN x16 Processor Quadrant 0.
N9 VCNN1RAM_EN Enable Output for the Voltage Supply for the RAM for the CNN x16 Processor Quadrant 1.
K10 VCNN2RAM_EN Enable Output for the Voltage Supply for the RAM for the CNN x16 Processor Quadrant 2.
M10 VCNN3RAM_EN Enable Output for the Voltage Supply for the RAM for the CNN x16 Processor Quadrant 3.
RESET AND CONTROL
C10 RSTN Active-Low, External System Reset Input. The device remains in reset while this pin is in its active state. When the pin transitions to its inactive state, the device performs a POR reset (resetting all logic on all supplies except for RTC circuitry) and begins execution. This pin has an internal pull-up to the VDDIOH supply.
CLOCK
B9 32KOUT 32kHz Crystal Oscillator Output.
A9 32KIN 32kHz Crystal Oscillator Input. Connect a 32kHz crystal between 32KIN and 32KOUT for RTC operation. Optionally, this pin can be configured as the input for an external CMOS-level clock source.
A3 HFXIN 25MHz Crystal Oscillator Input. Connect a 25MHz crystal between HFXIN and HFXOUT. Optionally, this pin can be configured as the input for an external CMOS-level clock source.
B3 HFXOUT 25MHz Crystal Oscillator Output.
GPIO AND ALTERNATE FUNCTION (See the Applications Information section for GPIO and Alternate Function Matrices.)
K6 P0.0 P0.0 UART0A_RX UART0 Receive Port Map A. See Bootloader Activation for details on this pin's usage and suggested pull-up.
L6 P0.1 P0.1 UART0A_TX UART0 Transmit Port Map A.
E11 P0.2 P0.2 TMR0A__IOA UART0B_CTS Timer0 I/O 32 Bits or Lower 16 Bits Port Map A; UART0 Clear to Send Port Map B.
E10 P0.3 P0.3/EXT_CLK TMR0A_IOB UART0B_RTS External Clock for Use as SYS_OSC/Timer0 I/O Upper 16 Bits Port Map A; UART0 Request to Send Port Map B.
H4 P0.4 P0.4 SPI0A_SS0 TMR0B_IOAN SPI0 Port Map A Target Select 0; Timer0 Inverted Output Port Map B.
B2 P0.5 P0.5 SPI0A_MOSI TMR0B_IOBN SPI0 Port Map A Controller-Out Target-In Serial Data 0; Timer0 Inverted Output Upper 16 Bits Port Map B.
C2 P0.6 P0.6 SPI0A_MISO OWM_IO SPI0 Port Map A Controller-In Target-Out Serial Data 1; 1-Wire Controller Data I/O.
D2 P0.7 P0.7 SPI0A_SCK OWM_PE SPI0 Port Map A Clock; 1-Wire Controller Pull-up Enable Output.
E2 P0.8 P0.8 SPI0A_SDIO2 TMR0B_IOA SPI0 Port Map A Data 2 I/O; Timer0 I/O 32 Bits or Lower 16 Bits Port Map B.
F2 P0.9 P0.9 SPI0A_SDIO3 TMR0B_IOB SPI0 Port Map A Data 3 I/O; Timer0 I/O Upper 16 Bits Port Map B.
D9 P0.10 P0.10 I2C0A_SCL SPI0_SS2 I2C0 Port Map A Clock; SPI0 Target Select 2.
D8 P0.11 P0.11 I2C0A_SDA SPI0_SS1 I2C0 Port Map A Serial Data; SPI0 Target Select 1.
J3 P0.12 P0.12 UART1A_RX TMR1B_IOAN UART1 Receive Port Map A; Timer1 Inverted Output Port Map B.
K3 P0.13 P0.13 UART1A_TX TMR1B_IOBN UART1 Transmit Port Map A; Timer1 Inverted Output Upper 16 Bits Port Map B.
G11 P0.14 P0.14 TMR1A_IOA I2S_CLKEXT Timer1 I/O 32 Bits or Lower 16 Bits Port Map A; I2S External Clock Input.
G10 P0.15 P0.15 TMR1A_IOB PCIF_VSYNC Timer1 I/O Upper 16 Bits Port Map A; Parallel Camera Interface Vertical Sync.
D7 P0.16 P0.16 I2C1A_SCL PT2 I2C1 Port Map A Clock; Pulse Train 2.
D6 P0.17 P0.17 I2C1A_SDA PT3 I2C1 Port Map A Serial Data; Pulse Train 3.
H10 P0.18 P0.18 PT0 OWM_IO Pulse Train 0; 1-Wire Controller Data I/O.
J10 P0.19 P0.19 PT1 OWM_PE Pulse Train 1; 1-Wire Controller Pull-up Enable Output.
J4 P0.20 P0.20 SPI1A_SS0 PCIF_D0 SPI1 Port Map A Target Select 0; Parallel Camera Interface Data 0.
A1 P0.21 P0.21 SPI1A_MOSI PCIF_D1 SPI1 Port Map A Controller-Out Target-In Serial Data 0; Parallel Camera Interface Data 1.
B1 P0.22 P0.22 SPI1A_MISO PCIF_D2 SPI1 Port Map A Controller-In Target-Out Serial Data 1; Parallel Camera Interface Data 2.
C1 P0.23 P0.23 SPI1A_SCK PCIF_D3 SPI1 Port Map A Clock; Parallel Camera Interface Data 3.
K1 P0.24 P0.24 SPI1A_SDIO2 PCIF_D4 SPI1 Port Map A Data 2; Parallel Camera Interface Data 4.
L1 P0.25 P0.25 SPI1A_SDIO3 PCIF_D5 SPI1 Port Map A Data 3; Parallel Camera Interface Data 5.
M5 P0.26 P0.26 TMR2A_IOA PCIF_D6 Timer2 I/O 32 Bits or Lower 16 Bits Port Map A; Parallel Camera Interface Data 6.
N5 P0.27 P0.27/USB_EXTCLK TMR2A_IOB PCIF_D7 USB External Clock/Timer2 I/O Upper 16 Bits Port Map A; Parallel Camera Interface Data 7.
M8 P0.28 P0.28/SWDIO Serial Wire Debug Data I/O. Following any reset, this device pin defaults to AF1 SWDIO.
N8 P0.29 P0.29/SWDCLK Serial Wire Debug Clock. Following any reset, this device pin defaults to AF1 SWDCLK. See Bootloader Activation for details on this pin's usage and suggested pullup.
K5 P0.30 P0.30 I2C2A_SCL PCIF_D8 I2C2 Port Map A Clock; Parallel Camera Interface Data 8.
L5 P0.31 P0.31 I2C2A_SDA PCIF_D9 I2C2 Port Map A Serial Data; Parallel Camera Interface Data 9.
K2 P1.0 P1.0 UART2A_RX RV_TCK UART2 Receive Port Map A; 32-bit RISC-V Test Port Clock.
L2 P1.1 P1.1 UART2A_TX RV_TMS UART2 Transmit Port Map A; 32-bit RISC-V Test Port Select.
L3 P1.2 P1.2 I2S0A_SCK RV_TDI I2S0 Port Map A Bit Clock; 32-bit RISC-V Test Port Data Input.
M3 P1.3 P1.3 I2S0A_WS RV_TDO I2S0 Port Map A Left/Right Clock; 32-bit RISC-V Test Port Data Output.
M4 P1.4 P1.4 I2S0A_SDI TMR3B_IOA I2S0 Port Map A Serial Data Input; Timer3 I/O 32 Bits or Lower 16 Bits Port Map B.
N4 P1.5 P1.5 I2S0A_SDO TMR3B_IOB I2S0 Port Map A Serial Data Output; Timer3 I/O Upper 16 Bits Port Map B.
K8 P1.6 P1.6 TMR3A_IOA PCIF_D10 Timer3 I/O 32 Bits or Lower 16 Bits Port Map A; Parallel Camera Interface Data 10.
L8 P1.7 P1.7 TMR3A_IOB PCIF_D11 Timer3 I/O Upper 16 Bits Port Map A; Parallel Camera Interface Data 11.
K4 P1.8 P1.8 PCIF_HSYNC RXEV0 Parallel Camera Interface Horizontal Sync; CM4 Rx Event Input.
L4 P1.9 P1.9 PCIF_PCLK TXEV0 Parallel Camera Interface Pixel Clock; CM4 Tx Event Output.
K13 P1.10 P1.10 SDHC_CDN ADC_CLK_EXT Secure Digital Interface Card Present; ADC External Clock Input.
K11 P1.11 P1.11 SDHC_DAT3 Secure Digital Interface Data Bus Bit 3.
L11 P1.12 P1.12 SDHC_DAT2 ADC_HW_TRIG_A Secure Digital Interface Data Bus Bit 2; ADC Trigger Input A.
K12 P1.13 P1.13 SDHC_DAT1 ADC_HW_TRIG_B Secure Digital Interface Data Bus Bit 1; ADC Trigger Input B.
L12 P1.14 P1.14 SDHC_DAT0 ADC_HW_TRIG_C Secure Digital Interface Data Bus Bit 0; ADC Trigger Input C.
J11 P1.15 P1.15 SDHC_WP Secure Digital Interface Write Protect.
M11 P1.16 P1.16 SDHC_CMD Secure Digital Interface Bus Command.
L13 P1.17 P1.17 SDHC_CLK Secure Digital Interface Clock.
F4 P2.0 P2.0 AIN0/AIN0N ADC Input 0/Comparator 0 Negative Input.
E4 P2.1 P2.1 AIN1/AIN0P ADC Input 1/Comparator 0 Positive Input.
D4 P2.2 P2.2 AIN2/AIN1N ADC Input 2/Comparator 1 Negative Input.
C4 P2.3 P2.3 AIN3/AIN1P ADC Input 3/Comparator 1 Positive Input.
F3 P2.4 P2.4 AIN4/AIN2N LPTMR0B_IOA ADC Input 4/Comparator 2 Negative Input; Low-Power Timer0 I/O Port Map B.
E3 P2.5 P2.5 AIN5/AIN2P LPTMR1B_IOA ADC Input 5/Comparator 2 Positive Input; Low-Power Timer1 I/O Port Map B.
D3 P2.6 P2.6/LPTMR0_CLK AIN6/AIN3N LPUARTB_RX Low-Power Timer0 External Clock Input/ADC Input 6/Comparator 3 Negative Input; Low-Power UART0 Receive Port Map B.
C3 P2.7 P2.7/LPTMR1_CLK AIN7/AIN3P LPUARTB_TX Low-Power Timer1 External Clock Input/ADC Input 7/Comparator 3 Positive Input; Low-Power UART Transmit Port Map B.
D11 P3.0 P3.0/PDOWN/WAKEUP Power-Down Output; Wakeup Input. This device pin can only be powered by VDDIOH.
D10 P3.1 P3.1/SQWOUT/WAKEUP RTC Square-Wave Output; Wakeup Input. This device pin can only be powered by VDDIOH.
USB
E13 DP USB DP Signal. This bidirectional pin carries the positive differential data or single-ended data. This pin is weakly pulled high internally when the USB is disabled.
D13 DM USB DM Signal. This bidirectional pin carries the negative differential data or single-ended data. This pin is weakly pulled high internally when the USB is disabled.
MIPI CSI-2
B6 CSI_CKP MIPI CSI-2 receiver differential clock positive input.
A6 CSI_CKN MIPI CSI-2 receiver differential clock negative input.
C7 CSI_D0P MIPI CSI-2 receiver differential data lane 0 positive input.
C6 CSI_D0N MIPI CSI-2 receiver differential data lane 0 negative input.
B7 CSI_D1P MIPI CSI-2 receiver differential data lane 1 positive input.
A7 CSI_D1N MIPI CSI-2 receiver differential data lane 1 negative input.