Data Sheet

7.2 GPIO Functionality Table
A wide selection of alternate functionality is available for multiplexing to various pins. The following table shows the name of each GPIO
pin, followed by the functionality available on that pin. Refer to 7.3 Alternate Functionality Overview for a list of GPIO locations available
for each function.
Full peripheral features and flexibility are not supported with all software architectures. In particular, some restrictions apply when using
Gecko OS. Refer to “UG384 WGM160P Hardware Design Users Guide” for more details.
Table 7.2. GPIO Functionality Table
GPIO Name Pin Alternate Functionality / Description
Analog Timers Communication Other
PA0
BUSBY
BUSAX
LCD_SEG13
TIM0_CC0 #0
TIM0_CC1 #7
TIM3_CC0 #4
PCNT0_S0IN #4
ETH_RMIITXEN
US1_RX #5
US3_TX #0
QSPI0_CS0
LEU0_RX #4
I2C0_SDA #0
CMU_CLK2 #0
PRS_CH0 #0
PRS_CH3
GPIO_EM4WU0
PA1
BUSAY
BUSBX
LCD_SEG14
TIM0_CC0 #7
TIM0_CC1 #0
TIM3_CC1 #4
PCNT0_S1IN #4
ETH_RMIIRXD1
US3_RX #0
QSPI0_CS1
I2C0_SCL #0
CMU_CLK1 #0
PRS_CH1
PA2
BUSBY
BUSAX
LCD_SEG15
TIM0_CC2 #0
TIM3_CC2 #4
ETH_RMIIRXD0
US1_RX #6
US3_CLK
QSPI0_DQ0
CMU_CLK0 #0
PRS_CH8
ETM_TD0 #3
PA3
BUSAY
BUSBX
LCD_SEG16
TIM0_CDTI0
TIM3_CC0 #5
ETH_RMIIREFCLK
US3_CS
U0_TX #2
QSPI0_DQ1
CMU_CLK2 #1
CMU_CLKI0 #1
CMU_CLK2 #4
LES_ALTEX2
PRS_CH9
ETM_TD1
PA4
BUSBY
BUSAX
LCD_SEG17
TIM0_CDTI1
TIM3_CC1 #5
ETH_RMIICRSDV
US3_CTS #0
U0_RX #2
QSPI0_DQ2
LES_ALTEX3
PRS_CH16 #0
ETM_TD2 #3
PA5
BUSAY
BUSBX
LCD_SEG18
TIM0_CDTI2 #0
TIM3_CC2 #5
PCNT1_S0IN #0
ETH_RMIIRXER
US3_RTS
U0_CTS
QSPI0_DQ3
LEU1_TX #1
LES_ALTEX4
PRS_CH17 #0
ACMP1_O #7
ETM_TD3 #3
WGM160P Wi-Fi
®
Module Data Sheet
Pin Descriptions
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