CY7C43684 查看數據表（PDF） - Cypress Semiconductor
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CY7C43684 Datasheet PDF : 39 Pages
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CY7C43644
CY7C43664
CY7C43684
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BYTE ORDER ON
PORT A:
A27–35
A
A18–26
B
A9–17
C
A0–8
Write to FIFO
D
BE BM SIZE
X
L
X
B27–35
A
B18–26
B
B9–17
C
(a) LONG WORD SIZE
B0–8
D
Read from
FIFO
BE BM SIZE
H
H
L
B27–35
B27–35
B18–26
B18–26
B9–17
A
B9–17
C
B0–8
B
B0–8
D
(b) WORD SIZE – BIG ENDIAN
1st: Read from
FIFO
2nd: Read from
FIFO
BE BM SIZE
L
H
L
BE BM SIZE
H
H
H
B27–35
B27–35
B18–26
B18–26
B9–17
C
B9–17
A
B0–8
D
B0–8
B
(c) WORD SIZE – LITTLE ENDIAN
B27–35
B18–26
B9–17
B0–8
A
B27–35
B18–26
B9–17
B0–8
B
B27–35
B18–26
B9–17
B0–8
C
B27–35
B18–26
B9–17
B0–8
D
(d) BYTE SIZE – BIG ENDIAN
1st: Read from
FIFO
2nd: Read from
FIFO
1st: Read from
FIFO
2nd: Read from
FIFO
3rd: Read from
FIFO
4th: Read from
FIFO
BE BM SIZE
L
H
H
B27–35
B18–26
B9–17
B27–35
B18–26
B9–17
B27–35
B18–26
B9–17
B27–35
B18–26
B9–17
B0–8
D
B0–8
C
B0–8
B
B0–8
A
(e) BYTE SIZE – LITTLE ENDIAN
1st: Read from
FIFO
2nd: Read from
FIFO
3rd: Read from
FIFO
4th: Read from
FIFO
Document #: 38-06022 Rev. *B
Page 11 of 39
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