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ST7LITE05 Datasheet(PDF) 15 Page - STMicroelectronics

Part # ST7LITE05
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
PDF  122 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE05 Datasheet(HTML) 15 Page - STMicroelectronics

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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.
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
Figure 6. EEPROM Block Diagram
EECSR
HIGH VOLTAGE
PUMP
0
E2LAT
0
0
0
0
0
E2PGM
EEPROM
MEMORY MATRIX
(1 ROW = 32 x 8 BITS)
ADDRESS
DECODER
DATA
MULTIPLEXER
32 x 8 BITS
DATA LATCHES
ROW
DECODER
DATA BUS
4
4
4
128
128
ADDRESS BUS
1



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