參數(shù)資料
型號(hào): 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(chǔ)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(jì)時(shí)器(8位微控制器(8米))
文件頁數(shù): 33/98頁
文件大小: 1123K
代理商: ST72331
33/98
ST72331
EEPROM
(Cont’d)
Figure 22. EEPROM Programming Cycle
Figure 23. EEPROM Programming Flowchart
Erase cycle
Write cycle
Tprog
Read operation allowed
Read operation not possible
INTERNAL
PROGRAMMING
VOLTAGE
Write of
data
latches
E2LAT
E2PGM
INTERRUPT
REQUEST
Interrupt
vector fetch
E2LAT=1
E2PGM=0
(Write mode)
Write bytes in
EEPROM
E2LAT=1
E2PGM=1
(Start
programming
cycle)
Wait for end of
programming
(E2LAT=0
or interrupt)
Write 1 to 16 bytes
in the same row
(with the same 12
Most Significant
Bits of the address)
E2LAT=0
E2PGM=0
(Read mode)
95
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