S-34C04A Datasheet, PDF (14/22 Pages) Seiko Instruments Inc – FOR DIMM SERIAL PRESENCE DETECT

2-WIRE SERIAL E²PROM FOR DIMM SERIAL PRESENCE DETECT
S-34C04A
Rev.1.0_01_U
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Table 12 Acknowledge for Write Instruction (R/ W bit = 0)
Status
Software Write
Protect (SWPn)
No Software Write
Protect
Instruction
SWPn in protected block
SWPn in no protected block
CWP
Page write or byte write in
protected block
Page write or byte write in
no protected block
SWPn or CWP
Page write or byte write
ACK
Output
No
Yes
Yes
Yes
Yes
Yes
Yes
Word
Address
Don't care
Don't care
Don't care
Word address
Word address
Don't care
Word address
ACK
Output
No
Yes
Yes
Yes
Yes
Yes
Yes
Data
Don't care
Don't care
Don't care
Don't care
Data
Don't care
Data
ACK
Output
No
Yes
Yes
No
Yes
Yes
Yes
Write
No
Yes
Yes
No
Yes
Yes
Yes
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Table 13 Acknowledge for Read Instruction (R/ W bit = 1)
Status
Software Write
Protect (SWPn)
No Software Write
Protect
Instruction
RPSn
RPSn
ACK
Output
No
Yes
Word
Address
Don't care
ACK
Output
No
Don't care No
Data
Don't care
ACK
Output
No
Don't care No
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