NXP Semiconductors LPC1768 - Pin Mode Select Register 2 (PINMODE2 - 0 X4002 C048); Pin Mode Select Register 3 (PINMODE3 - 0 X4002 C04 C)

UM10360 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
User manual Rev. 3 — 19 December 2013 114 of 841
NXP Semiconductors
UM10360
Chapter 8: LPC176x/5x Pin connect block
[1] Not available on 80-pin package.
[2] The pin mode cannot be selected for pins P0[27] to P0[30]. Pins P0[27] and P0[28] are dedicated I2C
open-drain pins without pull-up/down. Pins P0[29] and P0[30] are USB specific pins without configurable
pull-up or pull-down resistors. Pins P0[29] and P0[30] also must have the same direction since they operate
as a unit for the USB function, see Section 9.5.1 “
GPIO port Direction register FIOxDIR (FIO0DIR to
FIO4DIR- 0x2009 C000 to 0x2009 C080)”.
8.5.11 Pin Mode select register 2 (PINMODE2 - 0x4002 C048)
This register controls pull-up/pull-down resistor configuration for Port 1 pins 0 to 15. For
details see Section 8.4 “
Pin mode select register values”.
8.5.12 Pin Mode select register 3 (PINMODE3 - 0x4002 C04C)
This register controls pull-up/pull-down resistor configuration for Port 1 pins 16 to 31. For
details see Section 8.4 “
Pin mode select register values”.
21:20 P0.26MODE Port 1 pin 26 control, see P0.00MODE. 00
29:22 - Reserved.
[2]
NA
31:30 - Reserved. NA
Table 88. Pin Mode select register 1 (PINMODE1 - address 0x4002 C044) bit description
PINMODE1 Symbol Description Reset
value
Table 89. Pin Mode select register 2 (PINMODE2 - address 0x4002 C048) bit description
PINMODE2 Symbol Description Reset
value
1:0 P1.00MODE Port 1 pin 0 control, see P0.00MODE. 00
3:2 P1.01MODE Port 1 pin 1 control, see P0.00MODE. 00
7:4 - Reserved. NA
9:8 P1.04MODE Port 1 pin 4 control, see P0.00MODE. 00
15:10 - Reserved. NA
17:16 P1.08MODE Port 1 pin 8 control, see P0.00MODE. 00
19:18 P1.09MODE Port 1 pin 9 control, see P0.00MODE. 00
21:20 P1.10MODE Port 1 pin 10 control, see P0.00MODE. 00
27:22 - Reserved. NA
29:28 P1.14MODE Port 1 pin 14 control, see P0.00MODE. 00
31:30 P1.15MODE Port 1 pin 15 control, see P0.00MODE. 00
Table 90. Pin Mode select register 3 (PINMODE3 - address 0x4002 C04C) bit description
PINMODE3 Symbol Description Reset
value
1:0 P1.16MODE
[1]
Port 1 pin 16 control, see P0.00MODE. 00
3:2 P1.17MODE
[1]
Port 1 pin 17 control, see P0.00MODE. 00
5:4 P1.18MODE Port 1 pin 18 control, see P0.00MODE. 00
7:6 P1.19MODE Port 1 pin 19 control, see P0.00MODE. 00
9:8 P1.20MODE Port 1 pin 20 control, see P0.00MODE. 00
11:10 P1.21MODE
[1]
Port 1 pin 21 control, see P0.00MODE. 00
13:12 P1.22MODE Port 1 pin 22 control, see P0.00MODE. 00