ST72334J4 STMicroelectronics, ST72334J4 Datasheet - Page 18
ST72334J4
Manufacturer Part Number
ST72334J4
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72124J2.pdf
(153 pages)
Specifications of ST72334J4
Clock Sources
crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System
4 Power Saving Modes
Halt, Active-Halt, Wait and Slow
Two 16-bit Timers With
2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes
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ST72334J/N, ST72314J/N, ST72124J
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.
Figure 7. EEPROM Block Diagram
18/153
EECSR
EEPROM INTERRUPT
0
ADDRESS BUS
0
RESERVED
DECODER
ADDRESS
0
0
0
4
IE
EEPROM
DECODER
LAT
DETECTOR
FALLING
ROW
4
4
EDGE
PGM
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
128
MULTIPLEXER
DATA
(1 ROW = 16 x 8 BITS)
MEMORY MATRIX
HIGH VOLTAGE
EEPROM
DATA BUS
PUMP
DATA LATCHES
128
16 x 8 BITS
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