SPC7281 Epson Electronics America, Inc., SPC7281 Datasheet - Page 19

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

(3) RxAsyncronousePacket <6> BlockWriteReq, BlockReadResp, LockReq, LockResp
(4) RxAsyncronousePhyPacket Normal (tcode : 0xE)
(5) SelfIDPacket Received SelfID packets between BusReset and 1st-ArbRstGap (tcode : 0xE)
1 BlockWriteReq
2 BlockReadResp
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
LockReq
LockResp
b.31
0
1
2
3
4
5
6
7
2
3
2
3
b.31
b.31
–
DataLength
DestinationID
DataLength
–
24 23
24 23
SourceID
SourceID
SourceID
24 23
(tcode : 0xB)
(tcode : 0x1)
(tcode : 0x9)
(tcode : 0x7)
reserved
reserved
PacketTypeSpecInfo
0 x 0
DestinationOffset
*DataPointer
PhyPacket
EPSON
speed
*DataPointer
reserved
reserved
16 15
16 15
reserved
reserved
16 15
(MSB)
(MSB)
rcode
–
–
–
tl
AS
AS
AS
BT 0
BT 1
ExtendedTcode
BT 0
8
8
rt
7
7
8
tcode (0xE)
tcode (0xE)
–
7
–
tcode
1 0
1 0
BC 0
S1R72801F00A
reserved
reserved
ACK
ACK
ACK
pri
b.0
(LSB)
(LSB)
b.0
b.0
15