Benchmark ADC16 Datenblatt Seite 18

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ST72334J/N, ST72314J/N, ST72124J
18/153
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 7. EEPROM Block Diagram
EECSR
EEPROM INTERRUPT
FALLING
EDGE
HIGH VOLTAGE
PUMP
IE LAT00 0 0 0 PGM
EEPROMRESERVED
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
128128
ADDRESS BUS
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