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ST72334J2TA/XXX Datasheet(PDF) 19 Page - STMicroelectronics

No. de pieza ST72334J2TA/XXX
Descripción Electrónicos  8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces
PDF  150 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72334J2TA/XXX Datasheet(HTML) 19 Page - STMicroelectronics

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6 DATA EEPROM
6.1 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.
6.2 MAIN FEATURES
■ Up to 16 bytes programmed in the same cycle
■ EEPROM mono-voltage (charge pump)
■ Chained erase and programming cycles
■ Internal control of the global programming cycle
duration
■ End of programming cycle interrupt flag
■ Wait mode management
Figure 6. EEPROM Block Diagram
EECSR
EEPROM INTERRUPT
FALLING
EDGE
HIGH VOLTAGE
PUMP
IE
LAT
0
0
0
0
0
PGM
EEPROM
RESERVED
DETECTOR
EEPROM
MEMORY MATRIX
(1 ROW = 16 x 8 BITS)
ADDRESS
DECODER
DATA
MULTIPLEXER
16 x 8 BITS
DATA LATCHES
ROW
DECODER
DATA BUS
4
4
4
128
128
ADDRESS BUS



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