NXP Semiconductors LPC1311 User Manual

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User manual Rev. 3 — 14 June 2011 99 of 368
NXP Semiconductors
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Chapter 7: LPC13xx I/O configuration
7.4.16 IOCON_PIO2_5
7.4.17 IOCON_PIO3_5
Table 112. 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 113. 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
10 OD Selects pseudo open-drain mode. 0
0 Standard GPIO output
1 Open-drain output
31:11 - - Reserved -

NXP Semiconductors LPC1311 Specifications

General

Brand	NXP Semiconductors
Model	LPC1311
Category	Controller
Language	English