s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 39

• Manufacturer Part Number: s1r72803
• Description: Link/transaction Controller
• Manufacturer: Epson Electronics America, Inc.

Address
0x4A
0x4B
0x4C
0x4D
0x4E
0x48
0x49
0x4F
UsedRxHdrPtr_H
UsedRxHdrPtr_L
UsedRxORBPtr_H
UsedRxORBPtr_L
IDE_RxStreamPtr_H
IDE_RxStreamPtr_L
IDE_TxStreamPtr_H
IDE_TxStreamPtr_L
Register Name
7:
7: UOP[7]
7:
Bit Symbol
7:
6:
5:
4: URHP[12]
3: URHP[11]
2: URHP[10]
1: URHP[9]
0: URHP[8]
7: URHP[7]
6: URHP[6]
5: URHP[5]
4:
3:
2:
1:
0:
6:
5:
4: UOP[12]
3: UOP[11]
2: UOP[10]
1: UOP[9]
0: UOP[8]
6: UOP[6]
5: UOP[5]
4: UOP[4]
3: UOP[3]
2: UOP[2]
1:
0:
7:
6:
5:
4: IRSP[12]
3: IRSP[11]
2: IRSP[10]
1: IRSP[9]
0: IRSP[8]
7: IRSP[7]
6: IRSP[6]
5: IRSP[5]
4: IRSP[4]
3: IRSP[3]
2: IRSP[2]
1:
0:
6:
5:
4: ITSP[12]
3: ITSP[11]
2: ITSP[10]
1: ITSP[9]
0: ITSP[8]
7: ITSP[7]
6: ITSP[6]
5: ITSP[5]
4: ITSP[4]
3: ITSP[3]
2: ITSP[2]
1:
0:
R/W
R/W
R/W
R/W
R/W
Write is ignore
Read always zero
Received Packet Header Area Used Pointer
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Received Packet ORB Data Area Used Pointer
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Received Packet Stream Data Area IDE Pointer
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Transmit Packet Stream Data Area IDE Pointer
Write is ignore
Read is always zero
EPSON
Description
H.Rst S.Rst B.Rst
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
S1R72803F00A
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
–
–
–
–
–
–
–
–
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