pcf8583 NXP Semiconductors, pcf8583 Datasheet - Page 17

• Manufacturer Part Number: pcf8583
• Description: Clock/calendar With 240 X 8-bit Ram
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Jul 15
handbook, full pagewidth
handbook, full pagewidth
Clock/calendar with 240
S
SLAVE ADDRESS
Fig.18 Master reads after setting word address (write word address; READ data).
acknowledgement
S
Fig.19 Master reads slave immediately after first byte (READ mode).
R/W
from slave
0 A
SLAVE ADDRESS
WORD ADDRESS
acknowledgement
8-bit RAM
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
17
SLAVE ADDRESS
acknowledgement
auto increment
word address
from slave
A
acknowledgement
R/W
from slave
last bytes
1
MBD823
DATA
A
acknowledgement
auto increment
word address
n bytes
from slave
DATA
MBD824
1
memory word address
last byte
auto increment
acknowledgement
P
DATA
from master
memory word address
Product specification
no acknowledgement
auto increment
A
from master
PCF8583
1
P