參數(shù)資料
型號(hào): ST72124J2B7
廠商: 意法半導(dǎo)體
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
中文描述: 8位單電壓閃存,ADC和16位定時(shí)器,SPI和脊髓損傷界面微控制器
文件頁(yè)數(shù): 17/125頁(yè)
文件大?。?/td> 776K
代理商: ST72124J2B7
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ST72334J/N, ST72314J/N, ST72124J
17/125
2.6 DATA EEPROM
2.6.1 Introduction
The Electrically Erasable Programmable Read
Only Memory can be used as a non volatile back-
up for storing data.Using theEEPROM requires a
basic access protocol described in this chapter.
2.6.2 Main Features
I
Up to 16 Bytes programmed in the same cycle
I
EEPROM mono-voltage (charge pump)
I
Chained erase and programming cycles
I
Internal control of the global programming cycle
duration
I
End of programming cycle interrupt flag
I
WAIT mode management
Figure 7. EEPROM Block Diagram
EECSR
EEPROM INTERRUPT
FALLING
EDGE
DETECTOR
HIGH VOLTAGE
PUMP
IE
LAT
0
0
0
0
0
PGM
EEPROM
RESERVED
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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