LPC2131 Philips Semiconductors (Acquired by NXP), LPC2131 Datasheet - Page 13

• Manufacturer Part Number: LPC2131
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
9397 750 14008
Preliminary data sheet
6.7 Pin function select register 0 (PINSEL0 - 0xE002C000)
The PINSEL0 register controls the functions of the pins as per the settings listed in
Table
function is selected for a pin. For other functions, direction is controlled automatically.
Settings other than those shown in
Table 6:
PINSEL0
1:0
3:2
5:4
7:6
9:8
11:10
13:12
15:14
6. The direction control bit in the IODIR register is effective only when the GPIO
Pin function select register 0 (PINSEL0 - 0xE002C000)
Pin name
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
Rev. 01 — 18 November 2004
Value
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Table 6
Function
GPIO Port 0.0
TXD (UART0)
PWM1
Reserved
GPIO Port 0.1
RXD (UART0)
PWM3
EINT0
GPIO Port 0.2
SCL0 (I
Capture 0.0 (Timer 0)
Reserved
GPIO Port 0.3
SDA0 (I
Match 0.0 (Timer 0)
EINT1
GPIO Port 0.4
SCK0 (SPI0)
Capture 0.1 (Timer 0)
AD0.6
GPIO Port 0.5
MISO0 (SPI0)
Match 0.1 (Timer 0)
AD0.7
GPIO Port 0.6
MOSI0 (SPI0)
Capture 0.2 (Timer 0)
Reserved (LPC2131/32)
AD1.0 (LPC2138)
GPIO Port 0.7
SSEL0 (SPI0)
PWM2
EINT2
are reserved, and should not be used.
2
2
LPC2131/2132/2138
C0)
C0)
Single-chip 16/32-bit microcontrollers
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Value after reset
0
0
0
0
0
0
0
0
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