s-24cs01a Seiko Instruments Inc., s-24cs01a Datasheet - Page 10

• Manufacturer Part Number: s-24cs01a
• Description: 2-wire Cmos Serial E2prom
• Manufacturer: Seiko Instruments Inc.

10
2-WIRE CMOS SERIAL E
S-24CS01A/02A/04A/08A
1. Start Condition
2. Stop Condition
Operation
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.
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 E
2
PROM initiates a write cycle.
SCL
SDA
2
PROM
t
SU.STA
Start Condition
Figure 9 Start / Stop Conditions
t
HD.STA
Seiko Instruments Inc.
t
SU.STO
Stop Condition
Rev.4.5
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