LPC2138 Philips Semiconductors, LPC2138 Datasheet - Page 18

• Manufacturer Part Number: LPC2138
• Description: (LPC2131 - LPC2138) Single-chip 16/32-bit microcontrollers 32/64/512 kB ISP/IAP Flash with 10-bit ADC and DAC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 14868
Preliminary data sheet
6.8 Pin function select register 1 (PINSEL1 - 0xE002C004)
The PINSEL1 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 7:
PINSEL1
1:0
3:2
5:4
7:6
9:8
11:10
13:12
15:14
7. The direction control bit in the IODIR register is effective only when the GPIO
Pin function select register 1 (PINSEL1 - 0xE002C004)
Pin Name
P0.16
P0.17
P0.18
P0.19
P0.20
P0.21
P0.22
P0.23
Rev. 02 — 15 April 2005
LPC2131/2132/2134/2136/2138
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 7
Function
GPIO Port 0.16
EINT0
Match 0.2 (Timer 0)
Capture 0.2 (Timer 0)
GPIO Port 0.17
Capture 1.2 (Timer 1)
SCK (SSP)
Match 1.2 (Timer 1)
GPIO Port 0.18
Capture 1.3 (Timer 1)
MISO (SSP)
Match 1.3 (Timer 1)
GPIO Port 0.19
Match 1.2 (Timer 1)
MOSI (SSP)
Capture 1.2 (Timer 1)
GPIO Port 0.20
Match 1.3 (Timer 1)
SSEL (SSP)
EINT3
GPIO Port 0.21
PWM5
Reserved (LPC2131/32)
AD1.6 (LPC2134/36/38)
Capture 1.3 (Timer 1)
GPIO Port 0.22
Reserved (LPC2131/32)
AD1.7 (LPC2134/36/38)
Capture 0.0 (Timer 0)
Match 0.0 (Timer 0)
GPIO Port 0.23
Reserved
Reserved
Reserved
are reserved, and should not be used.
Single-chip 16/32-bit microcontrollers
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Value after reset
0
0
0
0
0
0
0
0
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