OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 133

• 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
8.3.5 GPIO pin output clear register
8.3.6 GPIO NOT register
Table 125. GPIO pin output set register (SET - address 0x5000 000C (GPIO0), 0x5001 000C
This register is used to produce a LOW level output at the port pins configured as GPIO
output in the DIR register (see
register (see
effect on the GPIO output level. If a pin is not configured as GPIO and output, the CLR
register has no effect on the pin level.
This register is a write-only register. Note that write operations to the CLR register are
masked by the MASK register.
Table 126. GPIO pin output clear register (CLR - address 0x5000 0010 (GPIO0), 0x5000 1010
This register is used to invert the output level at the port pins configured as GPIO output in
the DIR register (see
(see
GPIO output level. If a pin is not configured as GPIO and output, the NOT register has no
effect on the pin level.
This register is a write-only register. Note that write operations to the NOT register are
masked by the MASK register.
Table 127. GPIO NOT register (NOT - address 0x5000 0014 (GPIO0), 0x5001 0014 (GPIO1),
Bit
31:0
Bit
31:0
Bit
31:0
Table
Symbol
SET
Symbol
CLEAR
Symbol
NOT
(GPIO1), 0x5002 000C (GPIO2)) bit description
(GPIO1), 0x5002 0010 (GPIO2)) bit description
0x5002 0014 (GPIO2)) bit description
60). Writing 1 inverts the corresponding port pin. Writing 0 has no effect on the
Table
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Description
Set GPIO pin PIOn_x output value.
0 = No effect on the GPIO output level.
1 = GPIO output is set to HIGH.
Description
Clear GPIO pin PIOn_x output value.
0 = No effect on the GPIO output level.
1 = GPIO output is set to LOW.
Description
Invert GPIO pin PIOn_x output value.
0 = No effect on the GPIO output level.
1 = GPIO output is inverted from its current value.
60). Writing 1 sets the corresponding port pin to LOW. Writing 0 has no
Table
Rev. 1.1 — 10 March 2011
128) and as GPIO in the corresponding IOCONFIG register
Table
128) and as GPIO in the corresponding IOCONFIG
Chapter 8: LPC122x General Purpose I/O (GPIO)
UM10441
© NXP B.V. 2011. All rights reserved.
Reset
value
0x00
Reset
value
0x00
Reset
value
0x00
Access
W
Access
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Access
W