ST7265X View Datasheet(PDF) - STMicroelectronics
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ST7265X Datasheet PDF : 166 Pages
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ST7265x
FLASH PROGRAM MEMORY (Cont’d)
4.6 IAP (In-Application Programming)
This mode uses a BootLoader program previously
stored in Sector 0 by the user (in ICP mode or by
plugging the device in a programming tool).
This mode is fully controlled by user software. This
allows it to be adapted to the user application, (us-
er-defined strategy for entering programming
mode, choice of communications protocol used to
fetch the data to be stored, etc.). For example, it is
possible to download code from the SPI, SCI, USB
or CAN interface and program it in the Flash. IAP
mode can be used to program any of the Flash
sectors except Sector 0, which is write/erase pro-
tected to allow recovery in case errors occur dur-
ing the programming operation.
4.8 Register Description
FLASH CONTROL/STATUS REGISTER (FCSR)
Read /Write
Reset Value: 0000 0000 (00h)
7
0
0
0
0
0
0
0
0
0
This register is reserved for use by Programming
Tool software. It controls the Flash programming
and erasing operations.
4.7 Related Documentation
For details on Flash programming and ICC proto-
col, refer to the ST7 Flash Programming Refer-
ence Manual and to the ST7 ICC Protocol Refer-
ence Manual.
Table 6. FLASH Register Map and Reset Values
Address
(Hex.)
Register
Label
7
6
5
4
3
2
1
0
FCSR
002Bh
Reset Value
0
0
0
0
0
0
0
0
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