GE C2K Hardware Reference Manual page 99

Bits Field
4 GPIO4_INT_MSK
3 GPIO3_INT_MSK
2 GPIO2_INT_MSK
1 GPIO1_INT_MSK
0 GPIO0_INT_MSK
GPIO Clear Register
The GPIO Clear Register can directly deassert a corresponding line in the Data Register without
requiring a read-modify-write cycle.
Address offset: 0x4C
Access: Write-only
Bits Field
15 GPIO15_CLEAR
14 GPIO14_CLEAR
13 GPIO13_CLEAR
12 GPIO12_CLEAR
11 GPIO11_CLEAR
5-33
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Default
1 GPIO15 Interrupt Mask—blocks (masks) GPIO4 interrupt out-
put.
0 = enable interrupt
1 = disable (mask) interrupt
1 GPIO3 Interrupt Mask—blocks (masks) GPIO3 interrupt out-
put.
0 = enable interrupt
1 = disable (mask) interrupt
1 GPIO2 Interrupt Mask—blocks (masks) GPIO2 interrupt out-
put.
0 = enable interrupt
1 = disable (mask) interrupt
1 GPIO1 Interrupt Mask—blocks (masks) GPIO1 interrupt out-
put.
0 = enable interrupt
1 = disable (mask) interrupt
1 GPIO0 Interrupt Mask—blocks (masks) GPIO0 interrupt out-
put.
0 = enable interrupt
1 = disable (mask) interrupt
Default
- GPIO15 Clear bit— asserts the GPIO15 line. Polarity of "clear" is
determined by the CPIO Control Register settings.
0 = does not affect the corresponding GPIO15 bit
1 = clear the corresponding GPIO15 bit
- GPIO14 Clear bit— asserts the GPIO14 line. Polarity of "clear" is
determined by the CPIO Control Register settings.
0 = does not affect the corresponding GPIO14 bit
1 = clear the corresponding GPIO14 bit
- GPIO13 Clear bit— asserts the GPIO13 line. Polarity of "clear" is
decremented by the CPIO Control Register settings.
0 = does not affect the corresponding GPIO13 bit
1 = clear the corresponding GPIO13 bit
- GPIO12 Clear bit— asserts the GPIO12 line. Polarity of "clear" is
decremented by the CPIO Control Register settings.
0 = does not affect the corresponding GPIO12 bit
1 = clear the corresponding GPIO12 bit
- GPIO11 Clear bit— asserts the GPIO11 line. Polarity of "clear" is
determined by the CPIO Control Register settings.
0 = does not affect the corresponding GPIO11 bit
1 = clear the corresponding GPIO11 bit
Description
Description
C2K User's Guide
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