upd72862 Renesas Electronics Corporation., upd72862 Datasheet - Page 21

• Manufacturer Part Number: upd72862
• Description: Ieee1394 Ohci Host Controller
• Manufacturer: Renesas Electronics Corporation.

3. SERIAL ROM INTERFACE
PCI/Cardbus Mode Configuration registers from a serial EEPROM.
3.1 Serial EEPROM Register
Remark Base address : Base Address 0 in Configuration register
3.2 Serial EEPROM Register Description
Base address + 0x930
Base address + 0x934
Base address + 0x938
Base address + 0x93C
Base address + 0x940
Base address + 0x95C
Base address + 0x960
Base address + 0x984
31
W_SUBSYSID
W_SUBVNDID
31
W_MAXLAT
W_MINGNT
-
W_MAX_REC
The
(1) SUBID register (Base address + 0x930)
(2) LATVAL register (Base address + 0x934)
Field
Field
PD72862 provides a serial ROM interface to initialize the 1394 Global Unique ID Register and the
W_MAXLAT
Register Address
31-16
31-24
23-16
15-12
15-0
10-4
Bits
Bits
3-0
11
W_SUBSYSID
R/W
R/W
R/W
24 23
R/W
R/W
R/W
R/W
-
-
-
Default value
Default value
0063H
1033H
00H
00H
9H
W_MINGNT
-
-
-
SUBID register
LATVAL register
W_GUIDHi register
W_GUIDLo register
Parameters Write register
W_GENERAL register
W_PHYS register
W_CIS register
Data Sheet S14265EJ2V0DS00
Subsystem ID value. The value is loaded into Subsystem ID register in
Configuration register (offset+2CH bit 31-16).
Subsystem Vendor ID value. The value is loaded into Subsystem Vendor ID
register in Configuration register (Offset+2CH bit 15-0).
Max Latency value. The value is loaded into Max Latency register in
Configuration register (Offset+3CH bit 31-24).
Min Grant value. The value is loaded into Min Grant register in Configuration
register (Offset+3CH bit 23-16).
Reserved. Write 0 to these bits.
Reserved. Write 1 to this bit.
Reserved. Write 0 to these bits.
MAX__REC value. The value is loaded into the max_rec field of OHCI
BusOption register in OHCI register (Offset+020H bit 15-12).
16 15
16 15
Register Name
- 0 -
12 11 10
1
Description
Description
W_SUBVNDID
- 0 -
4
PD72862
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W_MAX_REC
3
21
0
0