参数资料
型号: ST72E331N4D0
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP56
封装: 0.600 INCH, WINDOWED, CERAMIC, SDIP-56
文件页数: 35/107页
文件大小: 691K
代理商: ST72E331N4D0
33/107
ST72E331 ST72T331
5.2 EEPROM (EEP)
5.2.1 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.
5.2.2 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 22. 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
8
4
12
INTERRUPT
REQUEST
FALLING
EDGE
DETECTOR
33
相关PDF资料
PDF描述
ST72T331N2B6S 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP56
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相关代理商/技术参数
参数描述
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