CX82100 Home Network Processor Data Sheet
9.3.22
GPIO Interrupt Sensitivity Mode Register 3 for GPIO[39:37; 32] (GPIO_ISM3:
0x003500A8)
GPIO_ISM2 is the interrupt sensitive mode register for GPIO[39:37; 32].
Bit(s)
31:24
23:16;
23≥Y≥16,
Y = Bit #
Type
Default
Name
Description
Reserved.
RO
See specific GPIO_ISMMSK{X},
GPIO[X] Interrupt Sensitivity Mode Mask, 39≥X≥32.
bit
39≥X≥32,
X = Y+16.
Reading:
Return 0.
Writing:
0= Mask off the function associated with GPIO_ISMC{X}.
1 = Enable the function associated with GPIO_ISMC{X}.
15:8
7:0;
7≥Y≥0,
Y = Bit #
Reserved.
RW
See specific GPIO_ISMC{X},
GPIO[X] Interrupt Sensitivity Mode Control, 39≥X≥32.
Reading:
bit
39≥X≥32,
X = Y+32.
Return the last value written to bit #Y.
Writing:
1 = Interrupt input on GPIO[X] will be edge sensitive, if
GPIO_ISMMSK{X} = 1; don't care, otherwise.
0 = Interrupt input on GPIO[X] will be level sensitive, if
GPIO_ISMMSK{X} = 1; don't care, otherwise.
Bit(s)
31:24
23
22
21
20:17
16
15:8
7
6
5
Type
Default
Name
Description
Reserved.
GPIO39 Interrupt Sensitivity Mode Mask.
GPIO38 Interrupt Sensitivity Mode Mask.
GPIO37 Interrupt Sensitivity Mode Mask.
Reserved.
GPIO32 Interrupt Sensitivity Mode Mask.
Reserved.
GPIO39 Interrupt Sensitivity Mode Control.
GPIO38 Interrupt Sensitivity Mode Control.
GPIO37 Interrupt Sensitivity Mode Control.
Reserved.
RO
RO
RO
1’b0
1’b0
1’b0
GPIO_ISMMSK39
GPIO_ISMMSK38
GPIO_ISMMSK37
RO
1’b0
GPIO_ISMMSK32
RW
RW
RW
1’b0
1’b0
1’b0
GPIO_ISMC39
GPIO_ISMC38
GPIO_ISMC37
4:1
0
RW
1’b0
GPIO_ISMC32
GPIO32 Interrupt Sensitivity Mode Control.
101306C
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