ST10F273Z4 STMicroelectronics, ST10F273Z4 Datasheet - Page 43
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ST10F273Z4
Manufacturer Part Number
ST10F273Z4
Description
16-BIT MICROCONTROLLER WITH MAC UNIT, UP TO 832 KBYTES FLASH MEMORY AND UP TO 68 KBYTES RAM
Manufacturer
STMicroelectronics
Datasheet
1.ST10F273Z4.pdf
(188 pages)
Specifications of ST10F273Z4
Single Voltage Supply
5 V ±10%
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ST10F273Z4
5.7
Write operation summary
In general, each write operation is started through a sequence of 3 steps:
1.
2.
3.
Once selected, but not yet started, one operation can be canceled by resetting the operation
selection bit.
A summary of the available Flash Module Write Operations are shown in the following
Table
Table 26.
Word program (32-bit)
Double word program (64-bit)
Sector erase
Set protection
Program/Erase suspend
The first instruction is used to select the desired operation by setting its corresponding
selection bit in the Flash Control Register 0.
The second step is the definition of the Address and Data for programming or the
sectors or banks to erase, SMOD must be always set except for writing in Flash Non
Volatile Protection registers.
The last instruction is used to start the write operation, by setting the start bit WMS in
the FCR0.
26.
Operation
Flash write operations
Select bit
DWPG
SUSP
WPG
SER
SPR
Address and data
FDR0L/FDR0H
FDR0L/FDR0H
FDR1L/FDR1H
FCR1L/FCR1H
FDR0L/FDR0H
FARL/FARH
FARL/FARH
None
Internal Flash memory
Start bit
WMS
WMS
WMS
WMS
None
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