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): 15/57頁
文件大?。?/td> 475K
代理商: LH543611
543611-52
DA35
.
DA27
DA26
.
DA18
DA17
.
DA9
DA8
.
DA0
DB35
.
DB27
DB26
.
DB18
DB17
.
DB9
DB8
.
DB0
LH543611/21
B0
BYTE #1
B4
BYTE #5
B1
BYTE #2
B5
BYTE #6
B2
BYTE #3
B6
BYTE #7
B3
BYTE #4
B7
BYTE #8
0
1
2
0
1
2
INPUT
OUTPUT: WS[1:0]= 2 (HL)
CKA
CKB
B1
BYTE #2
B5
BYTE #6
B2
BYTE #3
B6
BYTE #7
B3
BYTE #4
B7
BYTE #8
B0
BYTE #1
B4
BYTE #5
3
B
B
Figure 7. Example of 36-to-36 Byte Order Reversal
PARITY CHECKING
D
A/B
35
D
A/B
0
Output word:
100111100
000111100
100111000
000111000
Odd parity:
Parity of Bytes = 0110; (1 = Byte Parity Error) PF = L
Even parity:
Parity of Bytes = 1001; (1 = Byte Parity Error) PF = L
PARITY GENERATION
D
A/B
35
D
A/B
0
Input word:
1
00111100
0
00111100
1
00111000
0
00111000
Output, odd parity:
1
00111100
1
00111100
0
00111000
0
00111000
Output, even parity:
0
00111100
0
00111100
1
00111000
1
00111000
Figure 6. Example of Parity Checking and Generation
Table 2b. Bus Funneling/Defunneling *
DA[35:0]
WS = 3 (HH)
DB[35:0]
B2
B6
WS = 2 (HL)
DB[35:0]
B1
B5
WS = 1 (LH)
DB[35:18]
DB[17:0]
B3
B2
B1
B0
B7
B6
B5
B4
WS = 0 (LL)
DB[35:9]
B3
B2
B0
B3
B1
B0
B2
B1
B7
B6
DB[8:0]
B0
B1
B2
B3
B4
0
1
B3
B7
B2
B6
B1
B5
B0
B4
0
1
2
3
4
B3
B7
B1
B5
B0
B4
B0
B4
B2
B6
B3
B7
B1
B3
B5
B7
B0
B2
B4
B6
B1
B2
B3
B0
B5
*
NOTE:
B0, B1, . . ., represent data bytes.
512 x 36 x 2/1024 x 36 x 2 BiFIFOs
LH543611/21
15
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