Port B

GPIO Name Peripheral Function Alternate
PB 00

Ethernet

TXCLK  
PB 01

Ethernet

TXEN  
PB 02

Ethernet

TX0  
PB 03

Ethernet

RX1  
PB 04

Ethernet

MSE01  
PB 05

Ethernet

RX0  
PB 06

Ethernet

RX1  
PB 07

Ethernet

RXER  
PB 08

Ethernet

MDC  
PB 09

Ethernet

MDIO  
PB 10

EBI Interface

SDCK

NEXUS \MDO0

PB 11

EBI Interface

SDCKE

NEXUS \MDO1

PB 12

EBI Interface

RAS

NEXUS \MDO2

PB 13

EBI Interface

CAS

NEXUS \MDO3

PB 14

EBI Interface

SDWE

NEXUS \MDO4

PB 15

Ethernet

RX_DV  
PB 16

EBI Interface

SDA10

NEXUS \MDO5

PB 17

NEXUS

MSEO0  
PB 18

LCD

PWM_6  
PB 19

LEDs

PWM_0

NEXUS \EVTIn

PB 20

LEDs

PWM_1

JTAG \EVTO

PB 21

LEDs

PWM_2

NEXUS \EVTO

PB 22

LEDs

PWM_3  
PB 23

USART

U1_DCD  
PB 24

USART

U1_DSR  
PB 25

USART

U1_DTR  
PB 26

USART

U1_RI  
PB 27

LEDs

PWM_4  
PB 28

LEDs

PWM_5  
PB 29

LEDs

   
PB 30

LEDs

   
PB 31