OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 62

• 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
6.4.1 Pin configuration registers
Table 61
PIO0_11).
configure a true open-drain mode to comply with the full I
Table 61.
7
8
9
10
Bit
2:0
3
4
5
6
12:11
Symbol
FUNC
-
MODE
-
INV
ADMODE
-
DRV
OD
S_MODE
shows the register bit allocation for all IOCON registers (except PIO0_10 and
Table 62
IOCON register bit allocation (except I
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Value
000
001
010
011
100
101
110
111
0
1
0
1
0
1
0
1
0
1
0x0
0x1
0x2
0x3
shows the bit allocation for pins PIO0_10 and PIO0_11 which allow to
Rev. 1.1 — 10 March 2011
Description
Selects pin function.
Selects function 0 (default).
Select function 1.
Select function 2.
Select function 3.
Select function 4.
Select function 5.
Select function 6.
Reserved.
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).
Low mode current selected.
High mode current selected.
Open-drain mode.
Disable.
Open-drain mode enabled.
Remark: This is not a true open-drain mode. Input cannot be
pulled up above V
Sample mode
Bypass input filter.
Sampling for 1 filter clock cycle. Input pulses shorter than one
filter clock are rejected.
Sampling for 2 filter clock cycles. Input pulses shorter than
two filter clocks are rejected.
Sampling for 3 filter clock cycles. Input pulses shorter than
three filter clocks are rejected.
Chapter 6: LPC122x I/O configuration (IOCONFIG)
DD(IO)
.
2
C-pins)
2
C-bus specification.
UM10441
© NXP B.V. 2011. All rights reserved.
62 of 442
Reset
value
000
0
1
0
0
1
0
0
0
00