UM10375 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 3 — 14 June 2011 105 of 368
NXP Semiconductors
UM10375
Chapter 7: LPC13xx I/O configuration
7.4.27 IOCON_PIO2_11
6 - - Reserved 1
7 ADMODE Selects Analog/Digital mode 1
0 Analog input mode
1 Digital functional mode
9:8 - - Reserved 00
10 OD Selects pseudo open-drain mode. 0
0 Standard GPIO output
1 Open-drain output
31:11 - - Reserved -
Table 122. IOCON_PIO1_10 register (IOCON_PIO1_10, address 0x4004 406C) bit description
Bit Symbol Value Description Reset
value
Table 123. IOCON_PIO2_11 register (IOCON_PIO2_11, address 0x4004 4070) bit description
Bit Symbol Value Description Reset
value
2:0 FUNC Selects pin function. All other values are reserved. 000
0x0 Selects function PIO2_11.
0x2 Selects function SCK0 (only if pin PIO2_11/SCK0 selected in
Table 139
)
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 -
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