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 137 of 547
NXP Semiconductors
UM10398
Chapter 8: LPC1100XL series: I/O configuration (IOCONFIG)
8.4.43 IOCON_SCK0_LOC
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 147. IOCON_PIO3_3 register (IOCON_PIO3_3, address 0x4004 40AC) bit description
Bit Symbol Value Description Reset
value
Table 148. IOCON SCK0 location register (IOCON_SCK0_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 130
).
0x1 Selects SCK0 function in pin location PIO2_11/SCK0 (see
Table 132
).
0x2 Selects SCK0 function in pin location PIO0_6/SCK0 (see
Table 123
).
0x3 Reserved.
31:2 - - Reserved. -