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ST25DV Datasheet(PDF) 207 Page - STMicroelectronics |
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ST25DV Datasheet(HTML) 207 Page - STMicroelectronics |
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207 / 220 page  DocID027603 Rev 4 207/220 ST25DV04K ST25DV16K ST25DV64K I2C sequences 219 B.5.2 I2C Random address read in system memory B.5.3 I2C Random address read in dynamic registers Table 244. Byte Read System memory (Static register or I2C Password after a valid Present I2C Password) Request/Response Frame Comment Master drives SDA Slave drives SDA Start AEh - 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 Start AFh - Device select for reading - ACK 9th bit -DATA Receive Data NO_ACK - 9th bit Stop - End of reading Table 245. Random byte read in Dynamic registers Request/Response Frame Comment Master drives SDA Slave drives SDA Start A6h - Device select for writing - ACK 9th bit 20h - Send Address MSB (1 Byte) - ACK 9th bit ADDRESS_LSB - Send Adress LSB (1 Byte) - ACK 9th bit Start A7h - Device select for reading - ACK 9th bit -DATA Receive Data NO_ACK - 9th bit Stop - End of reading |
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