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Product data sheet Rev. 04 — 11 September 2006 15 of 36

Philips Semiconductors

LPC2194

Single-chip 16/32-bit microcontroller

6.8 Pin function select register 1 (PINSEL1 - 0xE002 C004)

The PINSEL1 register controls the functions of the pins as per the settings listed in

Table 6

. 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.

25:24 P0.12 0 0 GPIO Port 0.12 0

0 1 DSR (UART1)

1 0 Match 1.0 (Timer 1)

1 1 RD4 (CAN controller 4)

27:26 P0.13 0 0 GPIO Port 0.13 0

0 1 DTR (UART1)

1 0 Match 1.1 (Timer 1)

1 1 TD4 (CAN controller 4)

29:28 P0.14 0 0 GPIO Port 0.14 0

0 1 DCD (UART1)

10EINT1

1 1 Reserved

31:30 P0.15 0 0 GPIO Port 0.15 0

01RI (UART1)

10EINT2

1 1 Reserved

Table 5. Pin function select register 0 (PINSEL0 - 0xE002 C000)

…continued

PINSEL0 Pin name Value Function Value after reset

Table 6. Pin function select register 1 (PINSEL1 - 0xE002 C004)

PINSEL1 Pin Name Value Function Value after

Reset

1:0 P0.16 0 0 GPIO Port 0.16 0

01EINT0

1 0 Match 0.2 (Timer 0)

1 1 Capture 0.2 (Timer 0)

3:2 P0.17 0 0 GPIO Port 0.17 0

0 1 Capture 1.2 (Timer 1)

10SCK (SPI1)

1 1 Match 1.2 (Timer 1)

5:4 P0.18 0 0 GPIO Port 0.18 0

0 1 Capture 1.3 (Timer 1)

1 0 MISO (SPI1)

1 1 Match 1.3 (Timer 1)

7:6 P0.19 0 0 GPIO Port 0.19 0

0 1 Match 1.2 (Timer 1)

10MOSI (SPI1)

1 1 Capture 1.2 (Timer 1)