Rev.3.1_03
FOR AUTOMOTIVE 105°C OPERATION 2-WIRE SERIAL E2PROM
S-24CS01A/02A/04A H Series
Operation
1. Start condition
Start is identified by a high to low transition of the SDA line while the SCL line is stable at high.
Every operation begins from a start condition.
2. Stop condition
Stop is identified by a low to high transition of the SDA line while the SCL line is stable at high.
When a device receives a stop condition during a read sequence, the read operation is interrupted, and the device
enters standby mode.
When a device receives a stop condition during a write sequence, the reception of the write data is halted, and the
S-24CS01A/02A/04A initiates a write cycle.
tSU.STA tHD.STA
tSU.STO
SCL
SDA
Start Condition
Figure 8 Start / Stop Conditions
Stop Condition
9