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 103 of 547
NXP Semiconductors
UM10398
Chapter 7: LPC1100/LPC1100C/LPC1100L series: I/O configuration
7.4.42 IOCON_PIO3_3
7.4.43 IOCON_SCK_LOC
Table 99. IOCON_PIO3_3 register (IOCON_PIO3_3, address 0x4004 40AC) bit description
Bit Symbol Value Description Reset
value
2:0 FUNC Selects pin function. All other values are reserved. 000
0x0 Selects function PIO3_3.
0x1 Selects function RI
.
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. See Section 7.1
for part
specific details.
0
0 Standard GPIO output
1 Open-drain output
31:11 - - Reserved -
Table 100. IOCON SCK location register (IOCON_SCK_LOC, address 0x4004 40B0) bit
description
Bit Symbol Value Description Reset
value
1:0 SCKLOC Selects pin location for SCK0 function. 00
0x0 Selects SCK0 function in pin location
SWCLK/PIO0_10/SCK0/CT16B0_MAT2 (see Table 82
).
0x1 Selects SCK0 function in pin location PIO2_11/SCK0 (see
Table 84
.
0x2 Selects SCK0 function in pin location PIO0_6/SCK0 (see
Table 75
).
0x3 Reserved.
31:2 - - Reserved. -