CS5535-UDCF AMD (ADVANCED MICRO DEVICES), CS5535-UDCF Datasheet - Page 479
CS5535-UDCF
Manufacturer Part Number
CS5535-UDCF
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.CS5535-UDCF.pdf
(579 pages)
Specifications of CS5535-UDCF
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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GPIO Subsystem Register Descriptions
6.16.4
There are four 32-bit registers in the mapper used for GPIO INT (Interrupt) and PME (Power Management Event) mapping.
These registers connect any GPIO to one of eight PIC interrupts or to one of eight PME inputs.
1)
2)
3)
4)
The MAP registers setup the routing of the final inputs to either GPIO_INT[7:0] or GPIO_PME[7:0]. The four registers con-
tain 32 4-bit fields, that is a nibble for each final input. Each nibble contains the following control bits:
• PME_SEL: Located in MSB of the nibble and directs the final input to INT when low. If high, the final input is directed to
• MAP_SEL: These bits determine which bit in the output field the final input is directed to (i.e., either (GPIO_INT[7:0]) or
6.16.4.1 GPIO Mapper W (GPIO_MAP_W)
GPIO I/O Offset
Type
Reset Value
AMD Geode™ CS5535 Companion Device Data Book
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31:20
18:16
14:12
PME outputs.
GPIO_PME[7:0]).
10:8
Bit
6:4
2:0
19
15
11
GPIO_MAP_W: Maps 8 final inputs ([31:24] of 32 final inputs).
GPIO_MAP_Z: Maps 8 final inputs ([23:16] of 32 final inputs).
GPIO_MAP_Y: Maps 8 final inputs ([15:8] of 32 final inputs).
GPIO_MAP_X: Maps 8 final inputs ([7:0] of 32 final inputs).
7
3
GPIO Interrupt and PME Registers
Name
RSVD
PME_SEL_28
MAP_SEL_28
PME_SEL_27
MAP_SEL_27
PME_SEL_26
MAP_SEL_26
PME_SEL_25
MAP_SEL_25
PME_SEL_24
MAP_SEL_24
ECh
R/W
00000000h
RSVD
Description
Reserved. Write as 0.
GPIO28 PME Select. Selects where to map GPIO28.
0: INT (Interrupt).
1: PME (Power Management Event).
GPIO28 Map Select. Selects which bit of in the output field (i.e., INT or PME) GPIO28
should be mapped to.
000: Bit 0
001: Bit 1
GPIO27 PME Select. Selects where to map GPIO27. See bit 19 for decode.
GPIO27 Map Select. Selects which bit of in the output field (i.e., INT or PME) GPIO27
should be mapped to. See bits [18:16] for decode.
GPIO26 PME Select. Selects where to map GPIO26. See bit 19 for decode.
GPIO26 Map Select. Selects which bit of in the output field (i.e., INT or PME) GPIO26
should be mapped to. See bits [18:16] for decode.
GPIO25 PME Select. Selects where to map GPIO25. See bit 19 for decode.
GPIO25 Map Select. Selects which bit of in the output field (i.e., INT or PME) GPIO25
should be mapped to. See bits [18:16] for decode.
GPIO24 PME Select. Selects where to map GPIO24. See bit 19 for decode.
GPIO24 Map Select. Selects which bit of in the output field (i.e., INT or PME) GPIO24
should be mapped to. See bits [18:16] for decode.
GPIO_MAP_W Bit Descriptions
GPIO_MAP_W Register Map
010: Bit 2
011: Bit 3
100: Bit 4
101: Bit 5
110: Bit 6
111: Bit 7
9
8
31506B
7
6
5
4
3
2
1
479
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