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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST25DV64KC Scheda tecnica(PDF) 165 Page - STMicroelectronics |
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ST25DV64KC Scheda tecnica(HTML) 165 Page - STMicroelectronics |
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165 / 203 page  Appendix B I²C sequences B.1 Device select codes Following table assumes default values for I2C_DEVICE_CODE[3:0] (1010b) and E0 (1b) bits. Device select value should be adapted to I2C_DEVICE_CODE[3:0] and E0 values programmed into the I2C_CFG static register if different from default factory values. Table 266. Device select usage Device select value Comment Hexadecimal Binary - 1010 E211 R/W Device select generic E2 = 0b User memory, Dynamic registers, FTM mailbox E2 = 1b System memory A6h 1010 0110b User memory, Dynamic registers, FTM mailbox writing A7h 1010 0111b User memory, Dynamic registers, FTM mailbox reading AEh 1010 1110b System memory writing AFh 1010 1111b System memory reading B.2 I²C Byte writing and polling B.2.1 I²C byte write in user memory Table 267. Byte Write in user memory when write operation allowed Request/Response Frame Comment Master drives SDA Slave drives SDA Start A6h - Device select for writing - ACK 9th bit ADDRESS_MSB - Send Address MSB (1 Byte) - ACK 9th bit ADDRESS_LSB - Send Address LSB (1 Byte) - ACK 9th bit DATA - Send Data (1 Byte) - ACK 9th bit Stop - Start of Programming ST25DV04KC ST25DV16KC ST25DV64KC I²C sequences DS13519 - Rev 3 page 165/203 |
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