PCF8583 Datasheet, PDF (17/28 Pages) NXP Semiconductors – Clock/calendar with 240 x 8-bit RAM

Philips Semiconductors
Clock/calendar with 240 × 8-bit RAM
Product specification
PCF8583
handbook, full pagewidth
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from master
S SLAVE ADDRESS 0 A WORD ADDRESS A S SLAVE ADDRESS 1 A
R/W
at this moment master -
R/W
transmitter becomes
master - receiver and
PCF8593 slave - receiver
becomes slave - transmitter
DATA
A
n bytes
auto increment
memory word address
no acknowledgement
from master
MBD823
DATA
1P
last byte
auto increment
memory word address
Fig.18 Master reads after setting word address (write word address; READ data).
handbook, full pagewidth
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
S SLAVE ADDRESS 1 A
DATA
A
DATA
1P
R/W
n bytes
last bytes
auto increment
word address
auto increment
word address
MBD824
1997 Jul 15
Fig.19 Master reads slave immediately after first byte (READ mode).
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