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 

ST7LITE2

5 DATA EEPROM

5.1 INTRODUCTION

The Electrically Erasable Programmable Read

Only Memory can be used as a non volatile back-

up for storing data. Using the EEPROM requires a

basic access protocol described in this chapter.

Figure 6. EEPROM Block Diagram

5.2 MAIN FEATURES

s Up to 32 Bytes programmed in the same cycle

s EEPROM mono-voltage (charge pump)

s Chained erase and programming cycles

s Internal control of the global programming cycle

duration

s WAIT mode management

s Readout protection against piracy

HIGH VOLTAGE

PUMP

EECSR

0

0

0

0

0

0 E2LAT E2PGM

ADDRESS

DECODER

4

ROW

DECODER

4

4

ADDRESS BUS

EEPROM

MEMORY MATRIX

(1 ROW = 32 x 8 BITS)

128

DATA

MULTIPLEXER

128

32 x 8 BITS

DATA LATCHES

DATA BUS

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