SPC7281 Epson Electronics America, Inc., SPC7281 Datasheet - Page 60

• Manufacturer Part Number: SPC7281
• Description: IEEE1394 Controller
• Manufacturer: Epson Electronics America, Inc.

PHY Register Access Control Register (Lower Rank)
Bit7..0 PHY Write Data
S1R72801F00A
PHY Register Read Status Register (Lower Rank)
Bit7..0 PHY Read Data
56
PHY Register Read Status Register (Higher Rank)
Bit7 Reserved
Bit6 Reserved
Bit5 Reserved
Bit4 Reserved
Bit3..0 PHY Read Address
Address Register Name
Address Register Name
Address Register Name
0x25
0x27
0x26
Set data to write to the PHY Register.
Indicate register data indicated in the PHY status.
Indicate a register address indicated in the PHY status.
PhyAccCtl_L
PhyRdstat_L
PhyRdstat_H
7: WrDat[7]
6: WrDAt[6]
5: WrDat[5]
4: WrDat[4]
3: WrDat[3]
2: WrDat[2]
1: WrDat[1]
0: WrDat[0]
7:
6:
5:
4:
3: RdAdd[3]
2: RdAdd[2]
1: RdAdd[1]
0: RdAdd[0]
7: RdDat[7]
6: RdDat[6]
5: RdDat[5]
4: RdDat[4]
3: RdDat[3]
2: RdDat[2]
1: RdDat[1]
0: RdDat[0]
Bit Symbol
Bit Symbol
Bit Symbol
R/W
R/W
R/W
R/W
R
R
EPSON
PHY Register Write Data
0:
0:
0:
0:
PHY Register Read Address
PHY Register Read Data
Description
Description
Description
1:
1:
1:
1:
H.Rst S.Rst B.Rst
H.Rst S.Rst B.Rst
H.Rst S.Rst B.Rst
0x00 0x00
0x00 0x00
0x00 0x00
–
–
–