Datasheet

RECEIVING
COMMAND
[ADR]=[SADR]
READDATA
READ?
Yes No
(1)
READOPERATION
Is deactivated?SS
No
Waitingfornew
command
Yes
(3)
Yes
Send
Output
0x0000
(2)
[ADR]+1
[ADR]>[EADR]
No
WRITEDATA
(1)
WRITEOPERATION
Ignoreany
remainingdata
Is deactivated?SS
No
Yes
No
[ADR]+1
(2)
[ADR]>[EADR]
[ADR]=[SADR]
(3)
AMC7823
www.ti.com SLAS453F –APRIL 2005–REVISED MARCH 2012
(1) [SADR] represents the start address, which is specified by bits [PG1:PG0] and [SADR4:SADR0] in the command
word. [ADR] represents the current address.
(2) [EADR] represents the end address, which is specified by bits [PG0:PG1] and [EADR4:EADR0] in the command
word.
(3) Host ends data transfer by deactivating SS.
Figure 40. Read/Write Operations
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