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ST25DV64K Scheda tecnica(PDF) 215 Page - STMicroelectronics |
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ST25DV64K Scheda tecnica(HTML) 215 Page - STMicroelectronics |
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215 / 220 page ![]() DocID027603 Rev 4 215/220 ST25DV04K ST25DV16K ST25DV64K I2C sequences 219 B.7 I2C password relative sequences B.7.1 I2C write password Table 255. Write Password when I2C security session is already open and fast transfer mode is not activated Request/Response Frame Comment Master drives SDA Slave drives SDA Start AEh - Device select for writing - ACK 9th bit 09h - Send I2C_PWD MSB address - ACK 9th bit 00h - Send I2C_PWD LSB address - ACK 9th bit I2C_PWD_BYTE_7 - Send I2C_PWD MSB - ACK 9th bit I2C_PWD_BYTE_6 DATA 0 Send Data - ACK 9th bit ... - ... - ... ... I2C_PWD_BYTE_0 - Send I2C_PWD LSB - ACK 9th bit 07h - Write password command - ACK 9th bit I2C_PWD_BYTE_7 - Send I2C_PWD MSB - ACK 9th bit I2C_PWD_BYTE_6 DATA 0 Send Data - ACK 9th bit ... - ... - ... ... I2C_PWD_BYTE_0 - Send I2C_PWD LSB - ACK 9th bit Stop -Start of I2C password programming |
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