ST7FLITE20(2003) 查看數據表（PDF） - STMicroelectronics

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ST7FLITE20
(Rev.:2003)

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI

STMicroelectronics 

DATA EEPROM (Cont’d)

Figure 8. Data E2PROM Write Operation

ST7LITE2

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 software or a reset action), the integrity of the data in mem-

ory is not guaranteed.

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