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UPSD3422 Datasheet(PDF) 203 Page - STMicroelectronics

Part # UPSD3422
Description  Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
PDF  293 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3422 Datasheet(HTML) 203 Page - STMicroelectronics

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Table 107.
Flash memory instruction sequences(1,2)
Note:
1
All values are in hexadecimal, X = Don’t care
2
8032 addresses A12 through A15 are “Don’t care” during the instruction sequence
decoding. Only address bits A0-A11 are used during decoding of Flash memory instruction
Instr.
Seq.
Bus
Cycle 1
Bus
Cycle 2
Bus
Cycle 3
Bus
Cycle 4
Bus
Cycle 5
Bus
Cycle 6
Bus
Cycle 7
Link
Read
Memory
Contents
(Read
Array
mode)
Read byte
from any valid
Flash
memory addr
Read memory
contents. on
page 204
Program
(write) a
Byte to
Flash
Memory
Write AAh to
X555h
(unlock)
Write 55h
to XAAAh
(unlock)
Write A0h
to X555h
(command)
Write data
byte to
address
Programming
Flash memory.
on page 205
Bypass
Unlock
Write AAh to
X555h
(unlock)
Write 55h
to XAAAh
(unlock)
Write 20h
to X555h
(command)
Bypassed
unlock
sequence on
page 209
Program a
Byte to
Flash
Memory
with
Bypassed
Unlock
Write A0h to
XXXXh
(command)
Write data
byte to
address
Bypassed
unlock
sequence on
page 209
Reset
Bypass
Unlock
Write 90h to
XXXXh
(command)
Write 00h
to XXXXh
(command)
Bypassed
unlock
sequence on
page 209
Flash Bulk
Erase(3)
Write AAh to
X555h
(unlock)
Write 55h
to XAAAh
(unlock)
Write 80h
to X555h
(command)
Write AAh
to X555h
(unlock)
Write 55h
to XAAAh
(unlock)
Write 10h to
X555h
(command)
Flash bulk
erase on
page 209
Flash
Sector
Erase
Write AAh to
X555h
(unlock)
Write 55h
to XAAAh
(unlock)
Write 80h
to X555h
(command)
Write AAh
to X555h
(unlock)
Write 55h
to XAAAh
(unlock)
Write 30h to
desired
Sector
(command)
Write 30h to
another
Sector
(command)
Flash sector
erase on
page 210
Suspend
Sector
Erase
Write B0h to
address that
activates FSx
or CSBOOTx
where erase
is in progress
(command)
Suspend
sector erase
on page 210
Resume
Sector
Erase
Write 30h to
address that
activates FSx
or CSBOOTx
where
desired to
resume erase
(command)
Resume
sector erase
on page 211
Reset
Flash
Write F0h to
address that
activates FSx
or CSBOOTx
in desired
array.
(command)
Reset Flash
on page 211



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