LPC2104 datasheet(14/32 Pages) PHILIPS

14 / 32 page

Philips Semiconductors

LPC2104/2105/2106

Single-chip 32-bit microcontrollers

Product data

Rev. 04 — 05 February 2004

14 of 32

9397 750 12792

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 7. 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.

Function control for the pins P0.17 - P0.31 is effective only when the DBGSEL input is

pulled LOW during RESET.

11:10

P0.5

GPIO Port 0.5

MISO (SPI)

Match 0.1 (Timer 0)

13:12

P0.6

GPIO Port 0.6

MOSI (SPI)

Capture 0.2 (Timer 0)

15:14

P0.7

GPIO Port 0.7

SSEL (SPI)

PWM2

17:16

P0.8

GPIO Port 0.8

TxD UART 1

PWM4

19:18

P0.9

GPIO Port 0.9

RxD (UART 1)

PWM6

21:20

P0.10

GPIO Port 0.10

RTS (UART1)

Capture 1.0 (Timer 1)

23:22

P0.11

GPIO Port 0.11

CTS (UART1)

Capture 1.1 (Timer 1)

25:24

P0.12

GPIO Port 0.12

DSR (UART1)

Match 1.0 (Timer 1)

27:26

P0.13

GPIO Port 0.13

DTR (UART 1)

Match 1.1 (Timer 1)

29:28

P0.14

GPIO Port 0.14

CD (UART 1)

EINT1

31:30

P0.15

GPIO Port 0.15

RI (UART1)

EINT2

Table 6:

Pin function select register 0 (PINSEL0 - 0xE002C000)…continued

PINSEL0

Pin name

Value

Function

Value after Reset

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