pcf8593 NXP Semiconductors, pcf8593 Datasheet - Page 18

• Manufacturer Part Number: pcf8593
• Description: Low Power Clock/calendar
• Manufacturer: NXP Semiconductors

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