OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 65

• Manufacturer Part Number: OM13008,598
• Description: BOARD LPC XPRESSO LPC122X
• Manufacturer: NXP Semiconductors
• Series: LPCXpressor

Specifications of OM13008,598

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-6642; OM13008

NXP Semiconductors
UM10441
User manual
6.4.3 PIO0_20 register
Table 63.
Table 64.
7
8
9
Bit
12:11
15:13
31:16
Bit
2:0
3
4
5
6
Symbol
S_MODE
-
Symbol
FUNC
-
MODE
-
INV
ADMODE
-
DRV
CLK_DIV
PIO0_19 register (PIO0_19, address 0x4004 4008) bit description
PIO0_20 register (PIO0_20, address 0x4004 400C) bit description
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Value
0x0
0x1
0x2
0x3
0x0
0x1
0x2
0x3
0x4
0x5
0x6
-
Value
0x0
0x1
0x2
0x3
0x4
0
1
0
1
0
1
0
1
Rev. 1.1 — 10 March 2011
Description
Sample mode
Bypass input filter.
Input pulses shorter than one filter clock are rejected.
Select peripheral clock divider for input filter sampling clock.
IOCONFIGCLKDIV0.
IOCONFIGCLKDIV1.
IOCONFIGCLKDIV2.
IOCONFIGCLKDIV3.
IOCONFIGCLKDIV4.
IOCONFIGCLKDIV5.
IOCONFIGCLKDIV6.
Reserved.
Description
Selects pin function.
Selects function PIO0_20.
Reserved. Do not use.
Select function ACMP0_I1.
Select function CT32B0_CAP2.
Select function CT32B0_MAT2.
Reserved
Selects function mode (on-chip pull-up resistor control).
Inactive (pull-up resistor not enabled).
Pull-up resistor enabled.
Reserved.
Invert input
Input not inverted.
Input inverted.
Analog/Digital mode
Analog mode enabled.
Digital mode enabled.
Reserved.
Drive current mode (Normal-drive pin).
High mode current selected.
Low mode current selected.
Input pulses shorter than two filter clocks are rejected.
Input pulses shorter than three filter clocks are rejected.
Chapter 6: LPC122x I/O configuration (IOCONFIG)
UM10441
© NXP B.V. 2011. All rights reserved.
65 of 442
Reset
value
00
000
0
Reset
value
000
0
1
0
0
1
0
0