NXP Semiconductors LPC1768 - Pin Mode Select Register 7 (PINMODE7 - 0 X4002 C05 C); Pin Mode Select Register 9 (PINMODE9 - 0 X4002 C064); Open Drain Pin Mode Select Register 0 (PINMODE_OD0 - 0 X4002 C068)

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 116 of 841
NXP Semiconductors
UM10360
Chapter 8: LPC176x/5x Pin connect block
8.5.14 Pin Mode select register 7 (PINMODE7 - 0x4002 C05C)
This register controls pull-up/pull-down resistor configuration for Port 3 pins 16 to 31. For
details see Section 8.4 “
Pin mode select register values”.
[1] Not available on 80-pin package.
8.5.15 Pin Mode select register 9 (PINMODE9 - 0x4002 C064)
This register controls pull-up/pull-down resistor configuration for Port 4 pins 16 to 31. For
details see Section 8.4 “
Pin mode select register values”.
8.5.16 Open Drain Pin Mode select register 0 (PINMODE_OD0 - 0x4002 C068)
This register controls the open drain mode for Port 0 pins. For details see Section 8.4 “Pin
mode select register values”.
Table 92. Pin Mode select register 7 (PINMODE7 - address 0x4002 C05C) bit description
PINMODE7 Symbol Description Reset
value
17:0 - Reserved NA
19:18 P3.25MODE
[1]
Port 3 pin 25 control, see P0.00MODE. 00
21:20 P3.26MODE
[1]
Port 3 pin 26 control, see P0.00MODE. 00
31:22 - Reserved. NA
Table 93. Pin Mode select register 9 (PINMODE9 - address 0x4002 C064) bit description
PINMODE9 Symbol Description Reset
value
23:0 - Reserved. NA
25:24 P4.28MODE Port 4 pin 28 control, see P0.00MODE. 00
27:26 P4.29MODE Port 4 pin 29 control, see P0.00MODE. 00
31:28 - Reserved. NA
Table 94. Open Drain Pin Mode select register 0 (PINMODE_OD0 - address 0x4002 C068) bit
description
PINMODE
_OD0
Symbol Value Description Reset
value
0 P0.00OD
[3]
Port 0 pin 0 open drain mode control. 0
0 P0.0 pin is in the normal (not open drain) mode.
1 P0.0 pin is in the open drain mode.
1 P0.01OD
[3]
Port 0 pin 1 open drain mode control, see P0.00OD 0
2 P0.02OD Port 0 pin 2 open drain mode control, see P0.00OD 0
3 P0.03OD Port 0 pin 3 open drain mode control, see P0.00OD 0
4 P0.04OD Port 0 pin 4 open drain mode control, see P0.00OD 0
5 P0.05OD Port 0 pin 5 open drain mode control, see P0.00OD 0
6 P0.06OD Port 0 pin 6 open drain mode control, see P0.00OD 0
7 P0.07OD Port 0 pin 7 open drain mode control, see P0.00OD 0
8 P0.08OD Port 0 pin 8 open drain mode control, see P0.00OD 0
9 P0.09OD Port 0 pin 9 open drain mode control, see P0.00OD 0