Cypress S29GL01GP, Руководство пользователя

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Document Number: 002-00886 Rev. *B Page 21 of 83
S29GL01GP
S29GL512P
S29GL256P
S29GL128P
Figure 7.1
Single Word Program
Software Functions and Sample Code
Note
Base = Base Address.
Single Word/Byte Program
(LLD Function = lld_ProgramCmd)
Cycle Operation Byte Address Word Address Data
Unlock Cycle 1 Write Base + AAAh Base + 555h 00AAh
Unlock Cycle 2 Write Base + 555h Base + 2AAh 0055h
Program Setup Write Base + AAAh Base + 555h 00A0h
Program Write Byte Address Word Address Data
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Write Program Command:
Address 555h, Data A0h
Program Data to Address:
PA, PD
Unlock Cycle 1
Unlock Cycle 2
Setup Command
Program Address (PA),
Program Data (PD)
FAIL. Issue reset command
to return to read array mode.
Perform Polling Algorithm
(see Write Operation Status
flowchart)
Yes
Yes
No
No
Polling Status
= Busy?
Polling Status
= Done?
Error condition
(Exceeded Timing Limits)
PASS. Device is in
read mode.