cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 434

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

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GPIO Subsystem Register Descriptions
Note 1. The GPIO[x]_READ_BACK and GPIO[x]_LOCK_EN registers are not based on the atomic programming model
GPIO I/O
GPIO I/O
Offset
Offset
CCh
5Ch
6Ch
7Ch
D0h
D2h
5Ah
5Eh
6Ah
6Eh
7Ah
7Eh
50h
52h
54h
56h
58h
60h
62h
64h
66h
68h
70h
72h
74h
76h
78h
(i.e., only one bit for control as opposed to two bits). See Section 5.16.1 "Atomic Bit Programming Model" on page
436 for more information on atomic programming.
Table 5-57. GPIO Low/High Bank Feature Bit Registers Summary (Continued)
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 5-58. GPIO Input Conditioning Function Registers Summary
Width
Width
(Bits)
(Bits)
32
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Register Name
GPIO High Bank Input Negative Edge Status
(GPIOH_IN_NEGEDGE_STS)
Register Name
GPIO Filter 0 Amount (GPIO_FLTR0_AMNT)
GPIO Filter 0 Count (GPIO_FLTR0_CNT)
GPIO Event Counter 0 (GPIO_EVNTCNT0)
GPIO Event Counter 0 Compare Value
(GPIO_EVNTCNT0_COMP)
GPIO Filter 1 Amount (GPIO_FLTR1_AMNT)
GPIO Filter 1 Count (GPIO_FLTR1_CNT)
GPIO Event Counter 1 (GPIO_EVNTCNT1)
GPIO Event Counter 1 Compare Value
(GPIO_EVNTCNT1_COMP)
GPIO Filter 2 Amount (GPIO_FLTR2_AMNT)
GPIO Filter 2 Count (GPIO_FLTR2_CNT)
GPIO Event Counter 2 (GPIO_EVNTCNT2)
GPIO Event Counter 2 Compare Value
(GPIO_EVNTCNT2_COMP)
GPIO Filter 3 Amount (GPIO_FLTR3_AMNT)
GPIO Filter 3 Count (GPIO_FLTR3_CNT)
GPIO Event Counter 3 (GPIO_EVNTCNT3)
GPIO Event Counter 3 Compare Value
(GPIO_EVNTCNT3_COMP)
GPIO Filter 4 Amount (GPIO_FLTR4_AMNT)
GPIO Filter 4 Count (GPIO_FLTR4_CNT)
GPIO Event Counter 4 (GPIO_EVNTCNT4)
GPIO Event Counter 4 Compare Value
(GPIO_EVNTCNT4_COMP)
GPIO Filter 5 Amount (GPIO_FLTR5_AMNT)
GPIO Filter 5 Count (GPIO_FLTR5_CNT)
GPIO Event Counter 5 (GPIO_EVNTCNT5)
GPIO Event Counter 5 Compare Value
(GPIO_EVNTCNT5_COMP)
GPIO Filter 6 Amount (GPIO_FLTR6_AMNT)
GPIO Filter 6 Count (GPIO_FLTR6_CNT)
(Continued)
434
FFFF0000h
Reset
Value
Reset
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
Value
Reference
Reference
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Revision 0.8