User manual

LPC4357 Developer’s Kit - User’s Guide
Page 42
Copyright 2013 © Embedded Artists AB
#2.
CAN interface not supported by LPC4357 OEM board pinning.
GPIO19
P4_4
LCD databit 1, can also be connected to TD2 for CAN channel
#2
CAN interface not supported by LPC4357 OEM board pinning.
GPIO20
P7_5
LCD databit 8
GPIO21
P4_8
LCD databit 9
GPIO22
P7_4
LCD databit 16
GPIO23
P7_3
LCD databit 17
GPIO24
P9_3
Connects to UART multiplexing (TxD); further to LCD expansion
connector, serial expansion connector, RF module, RS232 and
RS422/485.
GPIO25
P2_4
Connects to UART multiplexing (RxD); further to LCD expansion
connector, serial expansion connector, RF module, RS232 and
RS422/485.
GPIO26
inverted P2_3
Connects to USB2 VBUS power enable.
GPIO27
P9_4
Connects to USB2-up LED (active low).
GPIO28
P9_5
Connects to USB2-connect functionality (for USB device
operation).
GPIO29
PF_0
SPI-SCK. Connects to LCD expansion connector via buffer.
Connects to serial expansion connector.
GPIO30
PF_1
SPI-SSEL. Connects to LCD expansion connector.
GPIO31
PF_2
SPI-MISO. Connects to LCD expansion connector.
Connects to serial expansion connector.
GPIO32
PF_3
SPI-MOSI. Connects to LCD expansion connector via buffer.
Connects to serial expansion connector.
GPIO33
P4_0
Connects to LCD expansion connector (GPIO function).
GPIO34
PE_15
Connects to LCD expansion connector (GPIO function, touch
controller spi-ssel).
GPIO35
ADC5
No special usage on OEM Base Board.
GPIO36
ADC4
No special usage on OEM Base Board.
GPIO37
ADC1
Connects to serial expansion connector.
GPIO38
ADC2
Connects to serial expansion connector.
GPIO39
ADC3
Connects to trimming potentiometer.
GPIO40
ADC0/DAC
Connects to speaker output on AOUT signal.
I2C-SDA
I2C-SDA
I2C-SDA, connects to PCA9532, E2PROM, LM74, 3-axis
Accelerometer, audio codec, serial expansion connector, lcd
expansion connector.
I2C-SCL
I2C-SCL
I2C-SCL, connects to PCA9532, E2PROM, LM74, 3-axis
Accelerometer, audio codec, serial expansion connector, lcd