S-24CS16A Datasheet, PDF (13/53 Pages) Seiko Instruments Inc – 2-WIRE CMOS SERIAL E2PROM

Rev.4.3_00
2-WIRE CMOS SERIAL E²PROM
S-24CS16A
5. Device Addressing
To start communication, the master device on the system generates a start condition to the bus line. Next, the master
device sends 7-bit device address and a 1-bit read / write instruction code on to the SDA bus.
The 4 most significant bits of the device address are called the “Device Code”, and are fixed to “1010”.
The successive 3 bits (P2, P1 and P0) are used to define a page address and choose the eight 256-byte memory
blocks.
Device Code
Page Address
1
0
1
0
P2
P1
P0 R / W
MSB
LSB
Figure 14 Device Address
Seiko Instruments Inc.
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