SPC7281 Epson Electronics America, Inc., SPC7281 Datasheet - Page 38

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

S1R72801F00A
34
Address
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
LinkRxHdrPtr_H
LinkRxHdrPtr_L
UltraDmaMode
LinkRxORBPtr_H
LinkRxORBPtr_L
LinkRxStreamPtr_H 7:
LinkRxStreamPtr_L 7: PSP[7]
LinkTxStreamPtr_H 7:
LinkTxStreamPtr_L 7: PTDP[7]
Register Name
Bit Symbol
7:
6:
5:
4: LRHP[12]
3: LRHP[11]
2: LRHP[10]
1: LRHP[9]
0: LRHP[8]
7: LRHP[7]
6: LRHP[6]
5: LRHP[5]
4:
3:
2:
1:
0:
7:
6:
5:
4: POP[12]
3: POP[11]
2: POP[10]
1: POP[9]
0: POP[8]
7: POP[7]
6: POP[6]
5: POP[5]
4: POP[4]
3: POP[3]
2: POP[2]
1:
0:
6:
5:
4: PSP[12]
3: PSP[11]
2: PSP[10]
1: PSP[9]
0: PSP[8]
6: PSP[6]
5: PSP[5]
4: PSP[4]
3: PSP[3]
2: PSP[2]
1:
0:
6:
5:
4: PTDP[12]
3: PTDP[11]
2: PTDP[10]
1: PTDP[9]
0: PTDP[8]
6: PTDP[6]
5: PTDP[5]
4: PTDP[4]
3: PTDP[3]
2: PTDP[2]
1:
0:
R/W
R/W Current Received Packet Header Area Pointer
R/W Current Received Packet ORB Data Area Pointer
R/W Current Received Packet Stream Data Area Pointer
R
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Write is ignore
Read is always zero
Current Transmit Packet Data Area Pointer
Write is ignore
Read is always zero
EPSON
Description
H.Rst S.Rst B.Rst
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
–
–
–
–
–
–