參數(shù)資料
型號: ST72331
廠商: 意法半導(dǎo)體
英文描述: 8-Bit MCU with 8 to 16K ROM/OTP/EPROM, 256 EEPROM, 384 to 512 Bytes RAM, ADC, WDG, SCI, SPI and 2 Timers(8位微控制器(8M))
中文描述: 8位微控制器與8至16K的光碟/雙層/存儲器,256的EEPROM,384字節(jié)RAM為512,藝發(fā)局,水分散粒劑,脊髓損傷,SPI和2計時器(8位微控制器(8米))
文件頁數(shù): 31/98頁
文件大?。?/td> 1123K
代理商: ST72331
31/98
ST72331
4.2 EEPROM (EEP)
4.2.1 Introduction
The Electrically Erasable Programmable Read
Only Memory is used to store data that need a non
volatile back-up. The use of the EEPROM requires
a basic protocol described in this chapter.
4.2.2 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 21. EEPROM Block Diagram
BUFFER
ROW
DECODER
16*8 BITS
DATA LATCHES
DATA
MULTIPLEXER
HIGH VOLTAGE PUMP
EEPROM
MEMORY
MATRIX
1 ROW = 16 * 8 BITS
ADDRESS
DECODER
ADDRESS
BUS
DATA
BUS
E2ITE E2LAT E2PGM
EEPCR
RESERVED
.
.
.
.
.
.
128
128
8
8
4
4
12
INTERRUPT
REQUEST
FALLING
EDGE
DETECTOR
93
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