参数资料
型号: ST72C314J4T1XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
封装: TQFP-44
文件页数: 64/153页
文件大小: 2235K
代理商: ST72C314J4T1XXX
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
s
Up to 16 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
End of programming cycle interrupt flag
s
WAIT mode management
Figure 7. EEPROM Block Diagram
EECSR
EEPROM INTERRUPT
FALLING
EDGE
HIGH VOLTAGE
PUMP
IE
LAT
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
128
ADDRESS BUS
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ST72C314J4T6 PROGRAMMED 制造商:STMicroelectronics 功能描述:MCU 8-bit ST7 CISC 16KB Flash 3.3V/5V 44-Pin TQFP Tray
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