AK6004A(2002) 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK6004A
(Rev.:2002)

I2C bus 4K / 16Kbit Serial CMOS EEPROM

Asahi Kasei Microdevices 

ASAHI KASEI

[AK6004A/08A]

[ACKNOWLEDGE]

ACKNOWLEDGE is a software convention used to indicate successful data transfers. The

transmitting device will release the bus after transmitting eight bits. During the next clock (ninth

clock), the receiver will pull the SDA line to LOW to acknowledge that it received the eight bits of

data.

The AK6004A/08A will respond with an acknowledge after recognition of a start condition and its

slave address. If both the device and a write operation have been selected, the AK6004A/08A will

respond with an acknowledge after the receipt of each subsequent eight bit word.

In the read mode the AK6004A/08A slave will transmit eight bits of data, release the SDA line and

monitor the line for an acknowledge. If an acknowledge is detected and no STOP condition is

generated by the master, the slave will continue to transmit data. If an acknowledge is not

detected, the slave will terminate further data transmissions and await the STOP condition to return

to the standby power mode.

SCL FROM

MASTER

DATA

OUTPUT

FROM

TRANSMITTER

DATA

OUTPUT

FROM

RECEIVER

1

8

9

Figure 3. Acknowledge Response from Receiver

ACKNOW LEDGE

DAI01E-02

-4-

2002/11

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