st92f124 STMicroelectronics, st92f124 Datasheet - Page 66

• Manufacturer Part Number: st92f124
• Description: 8/16-bit Single Voltage Flash Mcu Family With Ram, E3 Tmemulated Eeprom, Can 2.0b And J1850 Blpd
• Manufacturer: STMicroelectronics

ST92F124/F150/F250 - SINGLE VOLTAGE FLASH & E3 TM (EMULATED EEPROM)
Figure 38. Flash in-system Programming.
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Jump to Flash
Code
Main
User
No
TestFlash Code
Initialisation
= 0 ?
SOUT0
Start
Enable Serial
Yes
Interface
WFI
Load in-system
in internal RAM
prog routine
Code Update
Enable DMA
through SCI.
prog routine
Call in-system
Routine
HALT
Address
Match
(from SCI)
Test
Flash
Interrupt
Internal RAM (User Code Example)
Prog 1st table
of data from
RAM in Flash
prog routine
Load 1st table
of data in RAM
through S.I.
Inc. Address
Address ?
In-system
Yes
Yes
virgin ?
Flash
RET
Last
Load 2nd table
of data in RAM
Erase sectors
through SCI
No
No