M58WR064T Datasheet, PDF(75/81 Page) STMicroelectronics – 64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory

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M58WR064T Datasheet, PDF (75/81 Pages) STMicroelectronics – 64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory

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Figure 27. Quadruple Enhanced Factory Program Flowchart

SETUP PHASE

Start

FIRST

LOAD PHASE

Write 75h

Address WA1

Write PD1

Address WA1

Read Status

SR7 = 0?

YES

Write PD1

Address WA1(1)

Read Status

SR0 = 0?

YES

Write PD2

Address WA2(2)

Read Status

Check SR4, SR3

and SR1 for program,

VPP and Lock Errors

Exit

SR0 = 0?

YES

Write PD3

Address WA3(2)

M58WR064T, M58WR064B

LOAD PHASE

Read Status

SR0 = 0?

YES

Write PD4

Address WA4(2)

PROGRAM AND

VERIFY PHASE

Read Status

EXIT PHASE

Write FFFFh

Address =/ Block WA1

SR0 = 0?

YES

Last Page?

Check Status

End

YES

Note 1. Address can remain Starting Address WA1 (in which case the next Page is programmed) or can be

any address in the same block.

2.The address is only checked for the first Word of each Page as the order to program the Words is fixed

so subsequent Words in each Page can be written to any address.

AI06178

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