SPC7283 Epson Electronics America, Inc., SPC7283 Datasheet - Page 17

• Manufacturer Part Number: SPC7283
• Description: IEEE1394 Controller
• Manufacturer: Epson Electronics America, Inc.

(3) TxAsyncronousePacket <5> BlockWriteReq, BlockReadResp, LockReq, LockResp
(4) TxAsyncronousePhyPacket (tcode : 0xE)
(5) TxIsocoronousePacket (tcode : 0xA)
1 BlockWriteReq
2 BlockReadResp
0
1
2
3
4
5
6
7
0
1
2
3
LockReq
LockResp
0
1
2
3
4
5
6
7
1
2
1
2
b.31
b.31
Transmit Packet Common Format
Name
speed
Sbid
Name
ACK
b.31
–
–
–
Bit count
Bit count
DataLength
DestinationID
DestinationID
DestinationID
DataLength
24 23
24 23
3
1
4
24 23
(tcode : 0xB)
(tcode : 0x1)
(tcode : 0x9)
(tcode : 0x7)
Sbid
Sbid
Sbid
Description
Speed Code
Souce Bus ID
Description
Received AckCode
–
–
–
3'b000
3'b001
3'b010
All Other Value
4'h1
4'h2
4'h4
4'h5
4'h6
4'hB
4'hC
4'hD
4'hE
4'hF
All Other Value
PacketTypeSpecInfo
DestinationOffset
speed
0x0
speed
*DataPointer
EPSON
–
PhyPacket
*DataPointer
reserved
reserved
reserved
16 15
16 15
reserved
16 15
(MSB)
(MSB)
tag
rcode
reserved
S100
S200
S400
Reserved
0:3FFh, 1:Source ID
ask_complete
ask_pending
ask_busy_X
ask_busy_A
ask_busy_B
ask_tardy
ask_confilict_error
ask_data_error
ask_type_error
ask_address_error
Reserved
tl
channel
ExtendedTcode
reserved
rt
8
8
8
7
7
tcode (0xE)
tcode (0xA)
7
tcode
S1R72803F00A
reserved
sy
ACK
pri
(LSB)
(LSB)
b.0
b.0
b.0
13