LPC2364_65_66_67_68 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7.1 — 16 October 2013 12 of 69
NXP Semiconductors
LPC2364/65/66/67/68
Single-chip 16-bit/32-bit microcontrollers
P0[21]/RI1/
MCIPWR/RD1
57
[1]
G8
[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.
(LPC2367/68 only)
I RD1 — CAN1 receiver input. (LPC2364/66/68 only)
P0[22]/RTS1/
MCIDAT0/TD1
56
[1]
H10
[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. (LPC2367/68 only)
O TD1 — CAN1 transmitter output. (LPC2364/66/68 only)
P0[23]/AD0[0]/
I2SRX_CLK/
CAP3[0]
9
[2]
E5
[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]
8
[2]
D1
[2]
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
7
[2]
D2
[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
6
[3]
D3
[3]
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 25
[4]
J2
[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).
P0[28]/SCL0 24
[4]
J1
[4]
I/O P0[28] — General purpose digital input/output pin. Output is open-drain.
I/O SCL0 — I
2
C0 clock input/output. Open-drain output (for I
2
C-bus
compliance).
P0[29]/USB_D+ 29
[5]
J3
[5]
I/O P0[29] — General purpose digital input/output pin.
I/O USB_D+ — USB bidirectional D+ line. (LPC2364/66/68 only)
P0[30]/USB_D 30
[5]
G4
[5]
I/O P0[30] — General purpose digital input/output pin.
I/O USB_D — USB bidirectional D line. (LPC2364/66/68 only)
P1[0] to P1[31] I/O Port 1: Port 1 is a 32-bit I/O port with individual direction controls for each
bit. The operation of Port 1 pins depends upon the pin function selected via
the pin connect block. Pins 2, 3, 5, 6, 7, 11, 12, and 13 of this port are not
available.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description