CS4630-CM Просмотр технического описания (PDF) - Cirrus Logic
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CS4630-CM Datasheet PDF : 38 Pages
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CS4630
Byte 3
Byte 2
Byte 1
Byte 0
Offset
Subsystem ID
R/O Defaults to 0000h if EEPROM is not present,
otherwise loaded from the EEPROM.
Writable via Configuration Space Offset 0xFEh
or BA0:4B4h.
Subsystem Vendor ID
2Ch
R/O Defaults to 0000h if EEPROM is not
present, otherwise loaded from the EEPROM.
Writable via Configuration Space Offset 0xFCh
or BA0:4B4h.
Expansion ROM Base Address: R/O 00000000h, Unused
30h
Reserved: R/O 00000000h
34h
Reserved: R/O 00000000h
38h
Max_Lat: R/O 18h
Min_Gnt: R/O 04h
Interrupt Pin:
Interrupt Line:
3Ch
24 x 0.25uS = 6 uS
4 x 0.25uS = 1uS
R/O 01h, INTA used R/W, default 0
PMC
Bit 15: PME# from D3cold: R/O 0(default) or
1(configurable)
Bit 14: PME# from D3hot: R/O 0(default) or
1(configurable)
Bit 13: PME# from D2: R/O 0(default) or
1(configurable)
Bit 12: PME# from D1: R/O 0(default) or
Next Item Pointer:
Capability ID:
40h
R/O 0h
R/O 1h
1(configurable)
Bit 11: PME# from D0: R/O 0(default) or
1(configurable)
Bit 10: D2 support: R/O 1
Bit 9: D1 support: R/O 1
Bit 8-6:Aux Current: R/O 000(default) or configurable
Bit 5: Device Specific init: R/O 1
Bit 4: Auxiliary power: R/O 0
Bit 3: PME# clock: R/O 0
Bit 2-0: Version: R/O 010
PMCSR
Bit 15: PME# status: R/W 0
Data: R/O 0
PMCSR_BSE: R/O 0
Bit 14-13: Data scale: R/O 00
Bit 12-9: Data select: R/O 0000
44h
Bit 8: PME_En: R/W 0
Bit 7-2: Reserved: R/O 000000
Bit 1-0: Power state: R/W 00
Dynamic Config Register
Bit 31: PME Support Shadow bit: R/W 0
Bit 30: Reserved: R/W 0
Bits 29-27: Aux Current Shadow bits: R/O 000
Bits 26-24: Reserved: R/O 000
Bits 23-16: Dynamic CNFG bits 23-16: R/W 0h
Dynamic Config Register
F8h
Bits 15-0: Dynamic CNFG bits 15-0: R/W 0h
Subsystem ID shadow register
0FEh W/O shadow Subsystem ID (0x2E)
Subsystem Vendor ID shadow register
FCh
0FCh W/O shadow Subsystem ID (0x2C)
Table 2. PCI Configuration Space (cont.)
18
DS445PP1
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