LPC2131 datasheet(19/41 Pages) PHILIPS

19 / 41 page

9397 750 14868

Preliminary data sheet

Rev. 02 — 15 April 2005

19 of 41

Philips Semiconductors

LPC2131/2132/2134/2136/2138

Single-chip 16/32-bit microcontrollers

6.9 Pin function select register 2 (PINSEL2 - 0xE002C014)

The PINSEL2 register controls the functions of the pins as per the settings listed in

Table 8. The direction control bit in the IODIR register is effective only when the GPIO

function is selected for a pin. For other functions direction is controlled automatically.

Settings other than those shown in Table 8 are reserved, and should not be used.

17:16

P0.24

Reserved

19:18

P0.25

GPIO Port 0.25

AD0.4

Reserved (LPC2131)

AOUT (DAC) (LPC2132/34/36/38)

Reserved

21:20

P0.26

GPIO Port 0.26

AD0.5

Reserved

23:22

P0.27

GPIO Port 0.27

AD0.0

Capture 0.1 (Timer 0)

Match 0.1 (Timer 0)

25:24

P0.28

GPIO Port 0.28

AD0.1

Capture 0.2 (Timer 0)

Match 0.2 (Timer 0)

27:26

P0.29

GPIO Port 0.29

AD0.2

Capture 0.3 (Timer 0)

Match 0.3 (Timer 0)

29:28

P0.30

GPIO Port 0.30

AD0.3

EINT3

Capture 0.0 (Timer 0)

31:30

P0.31

GPIO Port

Reserved

Table 7:

Pin function select register 1 (PINSEL1 - 0xE002C004) …continued

PINSEL1

Pin Name

Value

Function

Value after reset

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