ST72F340S4T6 Ver la hoja de datos (PDF) - STMicroelectronics

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Fabricante

ST72F340S4T6

8-BIT MCU WITH UP TO 16K FLASH MEMORY, 10-BIT ADC, TWO 16-BIT TIMERS, TWO I2C, SPI, SCI

STMicroelectronics 

ST72340, ST72344, ST72345

DATA EEPROM (Cont’d)

Figure 9. Data E2PROM Write Operation

ROW

DEFINITION

⇓ Row / Byte ⇒

0

1

...

N

0123

... 30 31

Physical Address

00h...1Fh

20h...3Fh

Nx20h...Nx20h+1Fh

Read operation impossible

Read operation possible

E2LAT bit

E2PGM bit

Byte 1 Byte 2

Byte 32

Programming cycle

PHASE 1

Writing data latches

PHASE 2

Waiting E2PGM and E2LAT to fall

Set by USER application

Cleared by hardware

Note: If a programming cycle is interrupted (by RESET action), the integrity of the data in memory will not

be guaranteed.

20/191

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