PRELIMINARY
CYW54907
Table 13. Pin Multiplexing
Function
Pin
1
2
3
4
5
6
7
8
9
10
11
I2C1_CLK
GPIO_15
GPIO_16
GPIO_15
PWM1
UART0_
RTS_OUT
SPI1_CS
–
GPIO_11
GPIO_7
PWM5
–
PWM3
I2C1_SDAT
A
GPIO_16
UART0_
CTS_IN
PWM0
–
PWM2
–
SPI1_MOSI
–
GPIO_14
–
GPIO_10
–
RF_
DISABLE_L
–
–
PWM4
–
SDIO_CLK SDIO_CLK
SDIO_CMD SDIO_CMD
–
–
–
–
–
–
–
–
–
–
–
–
SDIO_AOS
_
CLK
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
SDIO_AOS
_
CMD
–
–
–
–
–
–
–
–
–
–
SDIO_
DATA_0
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
SDIO_AOS
_
D0
SDIO_
DATA_1
SDIO_AOS
_
D1
SDIO_
DATA_2
SDIO_AOS
_
D2
SDIO_
SDIO_AOS
DATA_3
_
D3
RF_SW_
CTRL_5
RF_SW_
CTRL_5
GCI_GPIO_
5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
SECI_INa
SECI_OUTa
RF_SW_
CTRL_6
RF_SW_
CTRL_6
UART_
DBG_RXa
RF_SW_
CTRL_7
RF_SW_
CTRL_7
UART_
DBG_TXa
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
SECI_INa
RF_SW_
CTRL_8
RF_SW_
CTRL_8
UART_
DBG_RXa
SECI_OUTa
RF_SW_
CTRL_9
RF_SW_
CTRL_9
UART_
DBG_TXa
PWM0
PWM1
PWM2
PWM0
PWM1
PWM2
GPIO_2
GPIO_3
GPIO_4
GPIO_18
GPIO_19
GPIO_20
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Document Number: 002-19312 Rev. *C
Page 46 of 95
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