CYW20732A0
Table 9. GPIO Pin Descriptionsa (Cont.)
Default Di- After POR Power Do-
Pin Number
30
Pin Name
P14
Alternate Function Description
rection State main
Input Input VDDO
■ GPIO: P14
PWM2
floating
■ A/D converter input
P38
Input
Input
Input
Input
floating
VDDO
VDDO
VDDO
■ GPIO: P38
■ A/D converter input
■ SPI_2: MOSI (master and slave)
■ IR_TX
31
27
P15
P24
Input
floating
■ GPIO: P15
■ A/D converter input
■ IR_RX
■ 60 Hz_main
■ GPIO: P24
Input
floating
■ SPI_2: SPI_CLK (master and slave)
■ SPI_1: MISO (master only)
■ Peripheral UART: puart_tx
■ GPIO: P25
26
25
P25
P32
Input
Input
Input
floating
VDDO
VDDO
■ SPI_2: MISO (master and slave)
■ Peripheral UART: puart_rx
■ GPIO: P32
Input
floating
■ A/D converter input
■ SPI_2: SPI_CS (slave only)
■ SPI_1: MISO (master only)
■ Auxiliary clock output: ACLK0
■ Peripheral UART: puart_tx
a. During power-on reset, all inputs are disabled.
Document Number: 002-14837 Rev. *L
Page 18 of 35
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