AK6003A 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK6003A

Software Write Protect I2C bus 2Kbit EEPROM

Asahi Kasei Microdevices 

ASAHI KASEI

[AK6003A]

ACKNOWLEDGE POLLING

Since the device will not acknowledge during the internal write cycle, this can be used to determine

when the cycle is complete. This feature (ACK polling) can be used to maximize bus troughtput.

Once the stop condition is issued to indicate the end of the host's write operation the AK6003A

initiates the internal write cycle. ACK polling can be initiated immediately. This involves issuing the

start condition followed by the slave address for a write operation. If the AK6003A is still busy with

the write operation no ACK will be returned. If the AK6003A has completed the write operation an

ACK will be returned and the host can then proceed with the next read or write operation.

When the write operation is executed after the ACK polling, the host can issue the byte address

consecutively after the ACK is returned. When the read operation is executed after the ACK polling,

the host should issue the stop condition once.

ACKNOWLEDGE POLLING

DAI03E-01

-8-

1999/10

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