參數(shù)資料
型號: LH543611
廠商: Sharp Corporation
英文描述: 512 x 36 x 2 / 1024 x 36 x 2 Synchronous Bidirectional FIFO
中文描述: 512 × 36 x一千○二十四分之二× 36 × 2同步雙向先進先出
文件頁數(shù): 19/57頁
文件大?。?/td> 475K
代理商: LH543611
Table 3b. LH543621 Resource-Register Programming
RESOURCE-
REGISTER
ADDRESS
RESOURCE-REGISTER CONTENTS
A
2A
A
1A
A
0A
NORMAL FIFO OPERATION
D
35A
D
0A
H
H
H
X...
...X
MAILBOX
D
35A
D
0A
H
H
L
X...
...X
AF
2
, AE
2
, AF
1
, AE
1
FLAG REGISTER (36-BIT MODE)
4
D
35A
. . . D
27A
D
26A
. . . D
18A
D
17A
. . . D
9A
D
8A
. . . D
0A
H
L
H
AF
2
Offset
1
AE
2
Offset
1
AF
1
Offset
1
AE
1
Offset
1
CONTROL REGISTER: FLAG SYNCHRONIZATION, PARITY CONFIGURATION
D
35A
D
18A
D
17A
D
9A
D
8A
D
1A
D
0A
H
L
L
X...
...X
Port B Control
3
Port A Control
3
PM
2
10-BIT AE
1
FLAG OFFSET REGISTER
D
35A
D
10A
D
9A
. . . D
0A
L
H
H
X...
...X
AE
1
Offset
1
10-BIT AF
1
FLAG OFFSET REGISTER
D
35A
D
10A
D
9A
. . . D
0A
L
H
L
X...
...X
AF
1
Offset
1
10-BIT AE
2
FLAG OFFSET REGISTER
D
35A
D
10A
D
9A
. . . D
0A
L
L
H
X...
...X
AE
2
Offset
1
10-BIT AF
2
FLAG OFFSET REGISTER
D
35A
D
10A
D
9A
. . . D
0A
L
L
L
X...
...X
AF
2
Offset
1
NOTES:
1.
2.
3.
4.
All four programmable-flag-offset values are initialized to eight (8) during a reset operation.
Parity Mode: Odd parity = HIGH; even parity = LOW. The parity mode is initialized to odd during a reset operation.
See Tables 5 and 6 and Figure 10 for the detailed format of the Control Register word.
For 36-bit Flag Register Control word, with only only 9 bits to program per flag offset:
Offset is limited to a value of 511. If a greater value is desired, individual flag offset register programming is required.
512 x 36 x 2/1024 x 36 x 2 BiFIFOs
LH543611/21
19
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