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数据搜索系统，热门电子元器件搜索 |
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ST25DV64K 数据表(PDF) 163 Page - STMicroelectronics |
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ST25DV64K 数据表(HTML) 163 Page - STMicroelectronics |
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163 / 200 page  B.2.3 I2C byte write in mailbox and polling Table 269. Byte Write in mailbox when mailbox is free from RF message and fast transfer mode is activated Request/Response Frame Comment Master drives SDA Slave drives SDA Start A6h - Device select for writing - ACK 9th bit 20h - Send mailbox address MSB (1 Byte) - ACK 9th bit 08h - Send Address LSB (1 Byte) Write must be done at first address of mailbox - ACK 9th bit DATA - Send Data - ACK 9th bit Stop - Immediate update of mailbox Table 270. Byte Write in mailbox when mailbox is not free from RF message fast transfer mode is not activated Request/Response Frame Comment Master drives SDA Slave drives SDA Start A6h - Device select for writing - ACK 9th bit 20h - Send mailbox address MSB (1 Byte) - ACK 9th bit 08h - Send Address LSB (1 Byte) Write must be done at first address of mailbox - ACK 9th bit DATA - Send Data - NoACK 9th bit Access Mailbox busy or FTM not activated Stop - No Programming Device return in Standby ST25DV04K ST25DV16K ST25DV64K I2C Byte writing and polling DS10925 - Rev 9 page 163/200 |
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