LPC2194 datasheet(14/33 Pages) PHILIPS

14 / 33 page

Philips Semiconductors

LPC2194

Single-chip 16/32-bit microcontrollers

Preliminary data

Rev. 01 — 06 February 2004

14 of 33

9397 750 12757

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.

Settings other than those shown in the table are reserved, and should not be used.

23:22

P0.11

GPIO Port 0.11

CTS (UART1)

Capture 1.1 (Timer1)

Reserved

25:24

P0.12

GPIO Port 0.12

DSR (UART1)

Match 1.0 (Timer1)

RD4 (CAN controller 4)

27:26

P0.13

GPIO Port 0.13

DTR (UART1)

Match 1.1 (Timer1)

TD4 (CAN controller 4)

29:28

P0.14

GPIO Port 0.14

DCD (UART1)

EINT1

Reserved

31:30

P0.15

GPIO Port 0.15

RI (UART1)

EINT2

Reserved

Table 6:

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

PINSEL0

Pin name

Value

Function

Value after Reset

Table 7:

Pin function select register 1 (PINSEL1 - 0xE002C004)

PINSEL1

Pin Name

Value

Function

Value after

Reset

1:0

P0.16

GPIO Port 0.16

EINT0

Match 0.2 (Timer0)

Capture 0.2 (Timer0)

3:2

P0.17

GPIO Port 0.17

Capture 1.2 (Timer1)

SCK (SPI1)

Match 1.2 (Timer1)

5:4

P0.18

GPIO Port 0.18

Capture 1.3 (Timer1)

MISO (SPI1)

Match 1.3 (Timer1)

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