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VT8237R Data Sheet
Revision 2.06 December 15, 2004 -60- Device 15 Function 0 Serial ATA Controller Registers
PHY Status Registers
Offset 7C – Internal PHY Status ......................................RO
7-6 Reserved ................................................... default = 0
5 Port2 Auto Check Error Report............. default = 0
4 Port2 Squelch Detector Output
3-2 Reserved ................................................... default = 0
1 Port1 Auto Check Error Report............. default = 0
0 Port1 Squelch Detector Output
Offset 7D – External PHY Status (00h)............................RO
7 External PHY Port2 Receive COMINIT ..... def = 0
6 External PHY Port2 Receive COMWAKE .def = 0
5 External PHY Port1 Receive COMINIT ..... def = 0
4 External PHY Port1 Receive COMWAKE .def = 0
3 Internal PHY Port2 Receive COMINIT...... def = 0
2 Internal PHY Port2 Receive COMWAKE .. def = 0
1 Internal PHY Port1 Receive COMINIT...... def = 0
0 Internal PHY Port1 Receive COMWAKE .. def = 0
Channel Control Registers
Offset 80 – Primary Channel Device Mode Status..........RO
7-0 Primary Channel Parsing FIS Number when in
Device mode.............................................. default = 0
Offset 81 – Secondary Channel Device Mode Status ......RO
7-0 Secondary Channel Parsing FIS Number when in
Device mode.............................................. default = 0
Offset 8B-88 – Primary Channel SG Base Address ........RO
Offset 8F-8C – Secondary Channel SG Base Address ....RO
Power Management Control Registers
Offset C3-C2 – PCI Power Mgmt Capabilities (02h) ..... RO
2-0 Version ...............................................default = 010b
The default value indicates this function complies
with Revision 1.1 of PCI Power Management
Interface Spec.
Offset C5-C4 – PCI Power Mgmt Ctrl / Status..... RW / RO
15-2 Reserved............................................ always reads 0
1-0 Power State
00 D0 .......................................................... default
01 -reserved-
10 -reserved-
11 D3 hot
Miscellaneous Control Registers
Offset D1 – PATA Control (00h)...................................... RO
7-4 Reserved............................................ always reads 0
3 PATA Enable Method
0 PATA will be enabled with Rx49[7]=1 and
SATA function enabled......................... default
1 PATA will be enabled with Rx49[7]=1
2-0 Reserved............................................ always reads 0
- Data Sheet 1
- Copyright Notice: 2
- Disclaimer Notice: 2
- Offices: 2
- REVISION HISTORY 3
- TABLE OF CONTENTS 4
- LIST OF FIGURES 7
- LIST OF TABLES 8
- VT8237R Data Sheet 10
- OVERVIEW 12
- PIN DESCRIPTIONS 18
- CPU Interface 19
- CPU Speed Control Interface 19
- PCI Bus Interface 20
- Serial EEPROM Interface 21
- Serial ATA Interface 24
- AC97 Audio / Modem Interface 25
- Serial IRQ 25
- PC / PCI DMA 25
- Internal Keyboard Controller 26
- Speaker 26
- Programmable Chip Selects 27
- General Purpose Inputs 27
- General Purpose Outputs 28
- General Purpose I/O 28
- Power and Ground 30
- Strap Pins 31
- REGISTERS 32
- Reserved Default Acc 34
- KB / Mouse Wakeu 34
- APIC Registers Default Acc 34
- SATA Confi 35
- IDE I/O Registers Default Acc 37
- USB Control Default Acc 38
- USB I/O Re 38
- USB Control Default Acc 42
- Host Controller O 42
- AC97 SGD I/O Re 48
- MC97 SGD I/O Re 48
- Power Management Default Acc 49
- Power Management Default Acc 50
- Register Descriptions 51
- .................. RW 58
- ................... RW 58
- ........................RW 63
- ................... RW 64
- Request (00h)...RW 66
- SATA LITE Control (00h) .. RW 66
- .......................RW 73
- ...................... RW 73
- ..................... RW 73
- .......RW 74
- ....................RW 75
- Access Data (00000000h) .RW 99
- ...............RW 101
- ).........................RW 109
- ...... default 110
- ......................RW 112
- ...................RW 113
- ) ..................... RW 113
- .............. RW 123
- 3h (command match) 137
- DataType / SampleRateRW 144
- ....................RWC 145
- Current Count.. RO 146
- 0 SGD Stop Index ... RW 148
- 1 SGD Stop Index ... RW 150
- ................. RW 157
- .... RO 163
- ............ RO 163
- FUNCTIONAL DESCRIPTIONS 172
- ELECTRICAL SPECIFICATIONS 177
- Register Description 178
- Power Requirements 179
- VT8237R 180
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