CY7C43684AV-15AC 查看數據表（PDF） - Cypress Semiconductor

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CY7C43684AV-15AC

3.3V 1K/4K/16K x36 x2 Bidirectional Synchronous FIFO with Bus Matching

Cypress Semiconductor 

CY7C43644AV

CY7C43664AV

CY7C43684AV

.

Table 2.

BYTE ORDER ON PORT A:

BE BM SIZE

X

L

X

BE BM SIZE

H

H

L

BE BM SIZE

L

H

L

BE BM SIZE

H

H

H

BE BM SIZE

L

H

H

A27–35

A

B27–35

A

A18–26

B

B18–26

B

A9–17

C

B9–17

C

A0–8

D

B0–8

D

Write to FIFO

Read from FIFO

(a) LONG-WORD SIZE

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

B27–35

B27–35

B18–26

B18–26

B9–17

C

B9–17

A

B0–8

D

B0–8

B

1st: Read from FIFO

2nd: Read from FIFO

(c) WORD SIZE – LITTLE ENDIAN

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

A

B0–8

B

B0–8

C

B0–8

D

(d) BYTE SIZE – BIG ENDIAN

1st: Read from FIFO

2nd: Read from FIFO

3rd: Read from FIFO

4th: Read from FIFO

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 #: 38-06025 Rev. *C

Page 11 of 37

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