Datasheet

UM10398 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
User manual Rev. 12.3 — 10 June 2014 86 of 547
NXP Semiconductors
UM10398
Chapter 7: LPC1100/LPC1100C/LPC1100L series: I/O configuration
7.4.16 IOCON_PIO2_5
Remark: See Section 7.1 for part specific details.
7.4.17 IOCON_PIO3_5
Remark: See Section 7.1 for part specific details.
Table 73. IOCON_PIO2_5 register (IOCON_PIO2_5, address 0x4004 4044) bit description
Bit Symbol Value Description Reset
value
2:0 FUNC Selects pin function. All other values are reserved. 000
0x0 Selects function PIO2_5.
4:3 MODE Selects function mode (on-chip pull-up/pull-down resistor
control).
10
0x0 Inactive (no pull-down/pull-up resistor enabled).
0x1 Pull-down resistor enabled.
0x2 Pull-up resistor enabled.
0x3 Repeater mode.
5 HYS Hysteresis. 0
0 Disable.
1 Enable.
9:6 - - Reserved 0011
10 OD Selects pseudo open-drain mode. 0
0 Standard GPIO output
1 Open-drain output
31:11 - - Reserved -
Table 74. IOCON_PIO3_5 register (IOCON_PIO3_5, address 0x4004 4048) bit description
Bit Symbol Value Description Reset
value
2:0 FUNC Selects pin function. All other values are reserved. 000
0x0 Selects function PIO3_5.
4:3 MODE Selects function mode (on-chip pull-up/pull-down resistor
control).
10
0x0 Inactive (no pull-down/pull-up resistor enabled).
0x1 Pull-down resistor enabled.
0x2 Pull-up resistor enabled.
0x3 Repeater mode.
5 HYS Hysteresis. 0
0 Disable.
1 Enable.
9:6 - - Reserved 0011