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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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ISD5116EYI Fiches technique(PDF) 37 Page - Nuvoton Technology Corporation |
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ISD5116EYI Fiches technique(HTML) 37 Page - Nuvoton Technology Corporation |
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37 / 90 page  ISD5100 SERIES Publication Release Date: Oct 31, 2008 - 37 - Revision 1.42 6.5.3 Reading Digital Data The Digital Read command utilizes the combined I 2C command format. That is, a command is sent to the chip using the write data direction. Then the data direction is reversed by sending a repeated start condition, and the slave address with R/W set to 1. After this, the slave device (ISD5100- Series) begins to send data to the master until the master generates a NACK. If the part encounters an overflow condition, the INT pin is pulled LOW. No other communication with the master is possible due to the master generating ACK signals. Digital Write and Digital Read can be done a “block” at a time. Thus, only 64 bits need be read in each Digital Read command sequence. 6.5.4 Example Command Sequences An explanation and graphical representation of the Erase, Write and Read operations are found below. Note: All sequences assumes that the chip is in power-down mode before the commands are sent. 6.5.4.1. Erase Digital Data Erase ===== I2CStart SendByte(0x80) - Write, Slave address zero WaitACK WaitSCLHigh SendByte(0xc0) - Enter Digital Mode Command WaitACK WaitSCLHigh I2CStop I2CStart SendByte(0x80) - Write, Slave address zero WaitACK WaitSCLHigh SendByte(0xd1) - Digital Erase Command WaitACK WaitSCLHigh |
Numéro de pièce similaire - ISD5116EYI |
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Description similaire - ISD5116EYI |
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