Philips LPC2129 - Table 63: Pin Function Select Register 2 for LPC2292;2294 (PINSEL2 - 0 Xe002 C014)

Pin Connect Block 131 May 03, 2004
Philips Semiconductors Preliminary User Manual
LPC2119/2129/2194/2292/2294ARM-based Microcontroller
Table 64: Pin Function Select Register 2 for LPC2292/2294 (PINSEL2 - 0xE002C014)
PINSEL2 Description Reset Value
1:0 Reserved. 00
2 When 0, pins P1.36:26 are used as GPIO pins. When 1, P1.31:26 are used as a Debug port. P1.26/RTCK
3 When 0, pins P1.25:16 are used as GPIO pins. When 1, P1.25:16 are used as a Trace port.
P1.20/
TRACESYNC
5:4
Controls the use of the data bus and strobe pins:
BOOT1:0
Pins P2.7:0 11 = P2.7:0 0x or 10 = D7:0
Pin P1.0 11 = P1.0 0x or 10 = CS0
Pin P1.1 11 = P1.1 0x or 10 = OE
Pin P3.31 11 = P3.31 0x or 10 = BLS0
Pins P2.15:8 00 or 11 = P2.15:8 01 or 10 = D15:8
Pin P3.30 00 or 11 = P3.30 01 or 10 = BLS1
Pins P2.27:16 0x or 11 = P2.27:16 10 = D27:16
Pins P2.29:28 0x or 11
= P2.29:28 or
Reserved
10 = D29:28
Pins P2.31:30 0x or 11 = P2.31:30 or AIN5:4 10 = D31:30
Pins P3.29:28 0x or 11 = P3.29:28 or AIN6:7 10 = BLS2:3
6 If bits 5:4 are not 10, controls the use of pin P3.29: 0 enables P3.29, 1 enables AIN6. 1
7 If bits 5:4 are not 10, controls the use of pin P3.28: 0 enables P3.28, 1 enables AIN7. 1
8 Controls the use of pin P3.27: 0 enables P3.27, 1 enables WE. 0
10:9 Reserved. -
11 Controls the use of pin P3.26: 0 enables P3.26, 1 enables CS1. 0
12 Reserved. -
13
If bits 25:23 are not 111, controls the use of pin P3.23/A23/XCLK: 0 enables P3.23, 1 enables
XCLK.
0
15:14 Controls the use of pin P3.25: 00 enables P3.25, 01 enables CS2, 10 and 11 are reserved values. 00
17:16 Controls the use of pin P3.24: 00 enables P3.24, 01 enables CS3, 10 and 11 are reserved values. 00
19:18 Reserved. -
20 If bits 5:4 are not 10, controls the use of pin P2.29:28: 0 enables P2.29:28, 1 is reserved. 0
21 If bits 5:4 are not 10, controls the use of pin P2.30: 0 enables P2.30, 1 enables AIN4. 1
22 If bits 5:4 are not 10, controls the use of pin P2.31: 0 enables P2.31, 1 enables AIN5. 1
23 Controls whether P3.0/A0 is a port pin (0) or an address line (1).
1 if
BOOT1:0=00
at RESET
=0,
0 otherwise
24 Controls whether P3.1/A1 is a port pin (0) or an address line (1).
BOOT1
during
Reset