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