參數(shù)資料
型號: TSB43AA82A1
廠商: Texas Instruments, Inc.
英文描述: 1394 integrated PHY and link layer controller(1394集成PHY和鏈路層控制器)
中文描述: 1394綜合物理層和鏈路層控制器(1394集成物理層和鏈路層控制器)
文件頁數(shù): 58/146頁
文件大?。?/td> 597K
代理商: TSB43AA82A1
332
3.4.42 DRF Trailer Register at E0h
This register defaults to 0000 0000h and is unaffected by a bus reset.
BITS
ACRONYM
DIR
DESCRIPTION
013
Reserved
N/A
Reserved
1415
Rx_Spd
R/O
DRF receive speed. Rx_Spd specifies the speed of the response packet the DRF receives.
00b : 100 Mbps
01b : 200 Mbps
10b : 400 Mbps
11b : Not valid
1621
Reserved
N/A
Reserved
2223
Fll0
R/O
Number of fill zero bytes. Fll0 specifies the number of zero-fill bytes in the last quadlet of the packet data
payload.
00b : no zero-fill bytes
01b : 3 zero-fill byte
10b : 2 zero-fill bytes
11b : 1 zero-fill bytes
2427
Reserved
N/A
Reserved
2831
DRF_TxAck
R/O
DRF transmit acknowledge. The DRF_TxAck specifies the transferred acknowledge of the received
packet
0h
Reserved
1h
ack_complete
2h
ack_pending
3h
Reserved
4h
ack_busy_X
5h
ack_busy_A
6h
ack_busy_B
7hAh
Reserved
Bh
ack_tardy
Ch
ack_conflict_error
Dh
ack_data_error
Eh
ack_type_error
Fh
ack_address_error
3.4.43 DTF/DRF Page Count Register at E4h
This register defaults to 0000 0000h and is unaffected by a bus reset.
BITS
ACRONYM
DIR
DESCRIPTION
015
DTF Page Count
R/W
DTF Page Count specifies the number of the page table entries to be fetched. This count is identified by the
data_size field of the command ORB fetched. Any number other than zero is a valid value. This number is
decremented following a page fetch action.
1631
DRF Page Count
R/W
DRF Page Count specifies the number of the page table entries to be fetched. This count is identified by
the data_size field of the command ORB. Any number other than zero is valid value. This number is
decremented following a page fetch action.
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