TWR-SER2 User’s Manual
Page 11 of 17
TWR-SER2 Primary Connector
Pin
Name
Usage
Used Jmp
Pin
Name
Usage
Used Jmp
B22
GPIO2 / SDHC_D1
X
A22
I2S0_DOUT_SCK
B23
GPIO3
A23
I2S0_DOUT_WS
B24
CLKIN0
RMII_REF_CLK
X
X
A24
I2S0_DIN0
B25
CLKOUT1
A25
I2S0_DOUT0
B26
GND
Ground
X
A26
GND
Ground
X
B27
AN7
A27
AN3
B28
AN6
A28
AN2
B29
AN5
A29
AN1
B30
AN4
A30
AN0
B31
GND
Ground
X
A31
GND
Ground
X
B32
DAC1
A32
DAC0
B33
TMR3
A33
TMR1
B34
TMR2
A34
TMR0
B35
GPIO4
USB_VBUS_EN
X
X
A35
GPIO6
USB_VBUS_OC
X
X
B36
3.3V
3.3V Power
X
A36
3.3V
3.3V Power
X
B37
PWM7
A37
PWM3
X
B38
PWM6
A38
PWM2
X
B39
PWM5
X
A39
PWM1
X
B40
PWM4
X
A40
PWM0
X
B41
CAN0_RX
CAN_RX
X
X
A41
UART0_RX
UART0_RX
X
X
B42
CAN0_TX
CAN_TX
X
X
A42
UART0_TX
UART0_TX
X
X
B43
1WIRE
CAN_S
X
X
A43
UART1_RX
UART1_RX
X
X
B44
SPI0_MISO (IO1)
X
A44
UART1_TX
UART1_TX
X
X
B45
SPI0_MOSI (IO0)
X
A45
VSSA
B46
SPI0_CS0_b
X
A46
VDDA
B47
SPI0_CS1_b
X
A47
CAN1_RX
B48
SPI0_CLK
X
A48
CAN1_TX
B49
GND
Ground
X
A49
GND
Ground
X
B50
I2C1_SCL
A50
GPIO14
B51
I2C1_SDA
A51
GPIO15
B52
GPIO5 / SPI0_HOLD (IO3)
X
A52
GPIO16 / SPI0_WP (IO2)
B53
USB D+ Pulldown Control
X
A53
GPIO17
B54
USB D- Pulldown Control
X
A54
USB0_DM
USB D-
X
B55
IRQ_H
A55
USB0_DP
USB D+
X
B56
IRQ_G
A56
USB0_ID
B57
IRQ_F
A57
USB0_VBUS
USB VBUS HST
X
B58
IRQ_E
A58
I2S0_DIN_SCK
B59
IRQ_D
A59
I2S0_DIN_WS
B60
IRQ_C
A60
I2S0_DIN1
B61
IRQ_B
A61
I2S0_DOUT1
B62
IRQ_A
A62
RSTIN_b
B63
EBI_ALE / EBI_CS1_b
A63
RSTOUT_b
Reset to Ethernet
PHY / SPI
X
B64
EBI_CS0_b
A64
CLKOUT0
CLOCKOUT0
X
B65
GND
Ground
X
A65
GND
Ground
X
