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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ST7LITE49M 데이터시트(PDF) 25 Page - STMicroelectronics |
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ST7LITE49M 데이터시트(HTML) 25 Page - STMicroelectronics |
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25 / 188 page  ST7LITE49M Data EEPROM 25/188 5 Data EEPROM 5.1 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. 5.2 Main features ● Up to 32 bytes programmed in the same cycle ● EEPROM mono-voltage (charge pump) ● Chained erase and programming cycles ● Internal control of the global programming cycle duration ● Wait mode management ● Read-Out Protection Figure 6. EEPROM block diagram DATA MULTIPLEXER EECSR HIGH VOLTAGE PUMP 0 E2LAT 0 0 0 0 0 E2PGM EEPROM MEMORY MATRIX (1 ROW = 32 x 8 BITS) ADDRESS DECODER 32 x 8 BITS DATA LATCHES ROW DECODER DATA BUS 4 4 4 128 128 ADDRESS BUS |
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