參數(shù)資料
型號: SN54ABT3614PCB
廠商: Texas Instruments, Inc.
英文描述: 64 】 36 】 2 CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY WITH BUS MATCHING AND BYTE SWAPPING
中文描述: 64】36】2時鐘雙向第一的,在總線匹配和字節(jié)交換先出存儲器
文件頁數(shù): 23/42頁
文件大?。?/td> 646K
代理商: SN54ABT3614PCB
SN54ABT3614
64
×
36
×
2 CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
WITH BUS MATCHING AND BYTE SWAPPING
SGBS308F – AUGUST 1995 – REVISED MAY 2000
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ììììììììììììììììììì
ììììììììììììììììììì
ta
ta
ììì
ììì
ìììììì
SIZ1,
SIZ0
PGB,
ODD/
EVEN
W/RB
ììììì
th(SW)
CLKB
EFB
CSB
No Operation
ENB
B0–B17
tsu(EN)
th(EN)
High
SW0
tsu(SZ)
ììììììììììììììììììì
SW1,
tsu(SW)
(0, 1)
Not (1, 1)
(0, 1)
th(SZ)
ììììììììììììììììììì
BE
ììì
th(SZ)
tsu(SZ)
Not (1, 1)
tsu(PG)
th(PG)
ten
Previous Data
Read 1
Read 2
tdis
Little
Endian
Big
Endian
B18–B35
Previous Data
Read 1
Read 2
ta
ta
tdis
SIZ0 = H and SIZ1 = H selects the mail1 register for output on B0–B35.
Unused word B0–B17 or B18–B35 holds last FIFO1 output register data for word-size reads.
DATA SWAP TABLE FOR WORD READS FROM FIFO1
DATA WRITTEN TO FIFO1
SWAP MODE
READ
NO.
DATA READ FROM FIFO1
BIG ENDIAN
LITTLE ENDIAN
A35–A27
A26–A18
A17–A9
A8–A0
SW1
SW0
B35–B27
A
B26–B18
B
B17–B9
C
B8–B0
D
A
B
C
D
L
L
1
2
C
D
A
B
A
B
C
D
L
H
1
D
C
B
A
2
B
A
D
C
A
B
C
D
H
L
1
C
D
A
B
2
A
B
C
D
A
B
C
D
H
H
1
2
B
D
A
C
D
B
C
A
Figure 10. Port-B Word Read Cycle for FIFO1
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