PCA8582F-2 Philips Semiconductors, PCA8582F-2 Datasheet - Page 11

• Manufacturer Part Number: PCA8582F-2
• Description: 256 x 8-bit CMOS EEPROMS with I2C-bus interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
READ OPERATIONS
Read operations are initiated in the same manner as write operations with the exception that the LSB of the slave address
is set to logic 1. There are three basic read operations; current address read, random read and sequential read.
December 1994
handbook, full pagewidth
handbook, full pagewidth
256 x 8-bit CMOS EEPROMS
with I
Fig.6 Master reads PCX8582X-2 slave after setting word address (WRITE word address; READ data).
S
2
C-bus interface
SLAVE ADDRESS
Fig.7 Master reads PCX8582X-2 immediately after first byte (READ mode).
S
acknowledge
R/W
from slave
SLAVE ADDRESS
0 A
WORD ADDRESS
acknowledge
R/W
from slave
1 A
acknowledge
from slave
at this moment master
transmitter becomes
master receiver and
EEPROM slave receiver
becomes slave transmitter
A
n bytes
DATA
S
11
SLAVE ADDRESS
auto increment
word address
acknowledge
from master
A
acknowledge
R/W
from slave
last bytes
1
MBA703 - 1
DATA
A
auto increment
word address
no acknowledge
PCX8582X-2 Family
from master
n bytes
DATA
MBA704 - 1
1
last byte
P
auto increment
word address
DATA
acknowledge
from master
Product specification
auto increment
A
word address
no acknowledge
from master
1
P