參數(shù)資料
型號(hào): MD8412B
廠商: Electronic Theatre Controls, Inc.
英文描述: LINK(IEEE 1394)
中文描述: 鏈接(1394)
文件頁數(shù): 29/114頁
文件大?。?/td> 577K
代理商: MD8412B
MD8412B
Ver 1.10
FUJIFUILM MICRODEVICES CO., LTD.
17
3-2-8
Diagnostic Status Register
Index
1Ch
Initial value
0000 0000h (Read-only register)
It is possible to know various status information in this register.
Bit 2
BusyState
: Busy State bit (R- Initial value: 0b)
= Acknowledge is returned with BusyA
= Acknowledge is returned with BusyB
When Busy Acknowledge is to be issued at the next opportunity, this node indicates the type of this
Acknowledge.
0
1
Bit 11~8
ATAck
: AT Ack bit (R- Initial value: 0000b)
0000
= No Ack
0001
= ack_complete
0010
= ack_pending
0011
= Reserved
0100
= ack_busy_X
0101
= ack_busy_A
Packet
WritePending = '0b'
WritePending = '1b'
ack_complete
ack_pending
ack_busy
ack_complete
ack_pending
ack_busy
Write Request
O
-
O
-
O
O
Read Request
-
O
O
-
O
O
Write Response
O
-
O
O
-
O
Read Response
O
-
O
O
-
O
Lock Request
-
O
O
-
O
O
Lock Response
O
-
O
O
-
O
7
6
5
4
3
2
1
0
BusyState
15
14
13
12
11
10
9
8
RetryTimeMax
AckStatus
ATAck
23
22
21
20
19
18
17
16
31
30
29
28
27
26
25
24
ITBusy
ATBusy
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