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AM263P4-Q1: eCAP Input Signal from remaining pins

Mari Tsunoda
Expert 5726 points

Part Number: AM263P4-Q1

Tool/software:

Hi Team,

My customer wants to use eCAP module to do edge detection of input pulse external to MCU.

They have listed the remaining open pins currently, and are wondering if there is any pin that can be used for eCAP signal input. Could you tell me which one?

Ball Number Signal Name
B18 PR0_PRU1_GPIO11
MCAN6_RX
SPI6_CS0 2
FSITX3_DATA1
TRC_DATA12
EPWM16_A
GPIO115
B16 CLKOUT1
GPIO122
SDFM0_CLK0
EQEP1_STROBE
D14 PR0_ECAP0_APWM_OUT
GPIO123
SDFM0_D0
C13 UART5_RXD
GPIO127
SDFM0_D2
ADC_EXTCH_XBAROUT0
C7 UART0_RTSn
I2C2_SCL
SPI3_D0
MCAN3_TX
XBAROUT9
GPIO25
A7 UART0_RXD
LIN0_RXD
GPIO27
A6 UART0_TXD
LIN0_TXD
GPIO28

Best regards,

Mari Tsunoda

  • 0
    TI__Guru*** 135355 points

    Hello Mari,

    Sure, this should be straight forward. The INPUTXBAR allows for any GPIO on the AM263P to be routed to each IP block that the INPUTXBAR outputs into which includes the eCAP modules. So any GPIO listed can be configured as an INPUTXBAR input and then get routed to one of the eCAP inputs.

    As a quick example:

    INPUTXBAR:

    eCAP:

    Best Regards,

    Ralph Jacobi