LPC2131 Philips Semiconductors (Acquired by NXP), LPC2131 Datasheet - Page 16

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

Philips Semiconductors
9397 750 14008
Preliminary data sheet
6.9 Pin function select register 2 (PINSEL2 - 0xE002C014)
Table 7:
The PINSEL2 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 the table are reserved, and should not be used.
PINSEL1
17:16
19:18
21:20
23:22
25:24
27:26
29:28
31:30
8. The direction control bit in the IODIR register is effective only when the GPIO
Pin function select register 1 (PINSEL1 - 0xE002C004)
Pin Name
P0.24
P0.25
P0.26
P0.27
P0.28
P0.29
P0.30
P0.31
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
LPC2131/2132/2138
Function
Reserved
Reserved
Reserved
Reserved
GPIO Port 0.25
AD0.4
Reserved (LPC2131)
AOUT (DAC) (LPC2132/38)
Reserved
GPIO Port 0.26
AD0.5
Reserved
Reserved
GPIO Port 0.27
AD0.0
Capture 0.1 (Timer 0)
Match 0.1 (Timer 0)
GPIO Port 0.28
AD0.1
Capture 0.2 (Timer 0)
Match 0.2 (Timer 0)
GPIO Port 0.29
AD0.2
Capture 0.3 (Timer 0)
Match 0.3 (Timer 0)
GPIO Port 0.30
AD0.3
EINT3
Capture 0.0 (Timer 0)
GPIO Port
Reserved
Reserved
Reserved
Single-chip 16/32-bit microcontrollers
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
…continued
Value after
reset
0
0
0
0
0
0
0
0
16 of 36