BR24L01 Rohm, BR24L01 Datasheet - Page 9

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BR24L01

Manufacturer Part Number
BR24L01
Description
1288 bit electrically erasable PROM
Manufacturer
Rohm
Datasheet

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Memory ICs
6) Acknowledge
Acknowledge is a software convention used to indicate successful data transfers.
During the ninth clock cycle, the receiver will pull the SDA line LOW to Acknowledge that the eight bits of data has
The device will respond with an Acknowledge after recognition of a START condition and its slave address (8bit).
In the WRITE mode, the device will respond with an Acknowledge, after the receipt of each subsequent 8-bit word
In the READ mode, the device will transmit eight bit of data, release the SDA line, and monitor the line for an
If an Acknowledge is detected, and no STOP condition is generated by the master, the device will continue to transmit
The transmitter device will release the bus after transmitting eight bits.
(When inputting the slave address in the write or read operation, transmitter is -COM. When outputting the data in
been received.
(When inputting the slave address in the write or read operation, receiver is this device. When outputting the data in
(word address and write data).
Acknowledge.
the data. If an Acknowledge is not detected, the device will terminate further data transmissions and await a STOP
condition before returning to the standby mode. (See Fig.7 ACKNOWLEDGE RESPONSE FROM RECEIVER)
the read operation, it is this device.)
the read operation, it is -COM.)
(IC OUTPUT DATA)
(
OUTPUT DATA)
(From
COM
SCL
SDA
SDA
COM)
START CONDITION
(START BIT)
BR24L01A-W / BR24L01AF-W / BR24L01AFJ-W /
Fig.7 ACKNOWLEDGE RESPONSE FROM RECEIVER
1
BR24L01AFV-W / BR24L01AFVM-W
8
Acknowledge Signal
(ACK Signal)
9
9/25

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