Datasheet

LPC2377_78 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6.1 — 16 October 2013 8 of 69
NXP Semiconductors
LPC2377/78
Single-chip 16-bit/32-bit microcontrollers
P0[18]/DCD1/
MOSI0/MOSI
86
[1]
I/O P0[18] — General purpose digital input/output pin.
I DCD1 — Data Carrier Detect input for UART1.
I/O MOSI0 — Master Out Slave In for SSP0.
I/O MOSI — Master Out Slave In for SPI.
P0[19]/DSR1/
MCICLK/SDA1
85
[1]
I/O P0[19] — General purpose digital input/output pin.
I DSR1 — Data Set Ready input for UART1.
O MCICLK — Clock output line for SD/MMC interface.
I/O SDA1 — I
2
C1 data input/output (this pin is not open-drain).
P0[20]/DTR1/
MCICMD/SCL1
83
[1]
I/O P0[20] — General purpose digital input/output pin.
O DTR1 — Data Terminal Ready output for UART1.
I MCICMD — Command line for SD/MMC interface.
I/O SCL1 — I
2
C1 clock input/output (this pin is not open-drain).
P0[21]/RI1/
MCIPWR/RD1
82
[1]
I/O P0[21] — General purpose digital input/output pin.
I RI1 — Ring Indicator input for UART1.
O MCIPWR — Power Supply Enable for external SD/MMC power supply.
I RD1 — CAN1 receiver input. (LPC2378 only)
P0[22]/RTS1/
MCIDAT0/TD1
80
[1]
I/O P0[22] — General purpose digital input/output pin.
O RTS1 — Request to Send output for UART1.
O MCIDAT0 — Data line for SD/MMC interface.
O TD1 — CAN1 transmitter output. (LPC2378 only)
P0[23]/AD0[0]/
I2SRX_CLK/
CAP3[0]
13
[2]
I/O P0[23] — General purpose digital input/output pin.
I AD0[0] — A/D converter 0, input 0.
I/O I2SRX_CLK — Receive Clock. It is driven by the master and received by the slave.
Corresponds to the signal SCK in the I
2
S-bus specification.
I CAP3[0] — Capture input for Timer 3, channel 0.
P0[24]/AD0[1]/
I2SRX_WS/
CAP3[1]
11
[3]
I/O P0[24] — General purpose digital input/output pin.
I AD0[1] — A/D converter 0, input 1.
I/O I2SRX_WS — Receive Word Select. It is driven by the master and received by the
slave. Corresponds to the signal WS in the I
2
S-bus specification.
I CAP3[1] — Capture input for Timer 3, channel 1.
P0[25]/AD0[2]/
I2SRX_SDA/
TXD3
10
[2]
I/O P0[25] — General purpose digital input/output pin.
I AD0[2] — A/D converter 0, input 2.
I/O I2SRX_SDA — Receive data. It is driven by the transmitter and read by the
receiver. Corresponds to the signal SD in the I
2
S-bus specification.
O TXD3 — Transmitter output for UART3.
P0[26]/AD0[3]/
AOUT/RXD3
8
[2]
I/O P0[26] — General purpose digital input/output pin.
I AD0[3] — A/D converter 0, input 3.
O AOUT — D/A converter output.
I RXD3 — Receiver input for UART3.
P0[27]/SDA0 35
[4]
I/O P0[27] — General purpose digital input/output pin. Output is open-drain.
I/O SDA0 — I
2
C0 data input/output. Open-drain output (for I
2
C-bus compliance).
Table 3. Pin description
…continued
Symbol Pin Type Description