Datasheet

LPC2104_2105_2106_7 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 07 — 20 June 2008 14 of 41
NXP Semiconductors
LPC2104/2105/2106
Single-chip 32-bit microcontrollers
Table 6. Pin function select register 0 (PINSEL0 - 0xE002 C000)
PINSEL0 Pin name Value Function Value after reset
1:0 P0.0 0 0 GPIO Port 0.0 0
0 1 TXD (UART 0)
1 0 PWM1
3:2 P0.1 0 0 GPIO Port 0.1 0
0 1 RXD (UART 0)
1 0 PWM3
5:4 P0.2 0 0 GPIO Port 0.2 0
0 1 SCL (I
2
C-bus)
1 0 Capture 0.0 (Timer 0)
7:6 P0.3 0 0 GPIO Port 0.3 0
01SDA (I
2
C-bus)
1 0 Match 0.0 (Timer 0)
9:8 P0.4 0 0 GPIO Port 0.4 0
0 1 SCK (SPI/SSP)
1 0 Capture 0.1 (Timer 0)
11:10 P0.5 0 0 GPIO Port 0.5 0
0 1 MISO (SPI/SSP)
1 0 Match 0.1 (Timer 0)
13:12 P0.6 0 0 GPIO Port 0.6 0
0 1 MOSI (SPI/SSP)
1 0 Capture 0.2 (Timer 0)
15:14 P0.7 0 0 GPIO Port 0.7 0
0 1 SSEL (SPI/SSP)
1 0 PWM2
17:16 P0.8 0 0 GPIO Port 0.8 0
0 1 TXD (UART 1)
1 0 PWM4
19:18 P0.9 0 0 GPIO Port 0.9 0
0 1 RXD (UART 1)
1 0 PWM6
21:20 P0.10 0 0 GPIO Port 0.10 0
0 1 RTS (UART 1)
1 0 Capture 1.0 (Timer 1)
23:22 P0.11 0 0 GPIO Port 0.11 0
0 1 CTS (UART 1)
1 0 Capture 1.1 (Timer 1)
25:24 P0.12 0 0 GPIO Port 0.12 0
0 1 DSR (UART 1)
1 0 Match 1.0 (Timer 1)