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ST92F120 Datasheet(PDF) 58 Page - STMicroelectronics

Part # ST92F120
Description  8/16-BIT FLASH MCU FAMILY WITH RAM, EEPROM AND J1850 BLPD
PDF  320 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST92F120 Datasheet(HTML) 58 Page - STMicroelectronics

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ST92F120 - SINGLE VOLTAGE FLASH & EEPROM
Figure 28. Flash in-system Programming.
TestFlash Code
Start
Initialisation
Enable Serial
Interface
Jump to Flash
Main
Code
In-system
prog routine
Flash
virgin ?
Erase sectors
Yes
No
Load 1st table
of data in RAM
through S.I.
Prog 1st table
of data from
RAM in Flash
Load 2nd table
of data in RAM
through SCI
Inc. Address
Last
Address ?
RET
Yes
No
Code Update
Routine
Enable DMA
Load in-system
prog routine
in internal RAM
through SCI.
Call in-system
prog routine
HALT
Address
Match
Interrupt
(from SCI)
User
Test
Internal RAM (User Code Example)
SOUT0
=0 ?
Yes
No
WFI
Flash
9



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