Philips Semiconductors
Product specification
Low power clock/calendar
PCF8593
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from master
handbook, full pagewidth
SLAVE ADDRESS
DATA
S
SLAVE ADDRESS
0
A
WORD ADDRESS
A
S
1
A
A
n bytes
R/W
R/W
at this moment master -
transmitter becomes
auto increment
memory word address
master - receiver and
PCF8593 slave - receiver
becomes slave - transmitter
no acknowledgement
from master
P
DATA
1
last byte
auto increment
memory word address
MBD823
Fig.19 Master reads after setting word address (write word address, READ data).
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
handbook, full pagewidth
1
A
A
DATA
1
P
S
SLAVE ADDRESS
DATA
R/W
n bytes
last bytes
auto increment
word address
auto increment
word address
MBD824
Fig.20 Master reads slave immediately after first byte (READ mode).
18
1997 Mar 25
NXP [ NXP ]
