PCF8563BS NXP [NXP Semiconductors], PCF8563BS Datasheet - Page 16

• Manufacturer Part Number: PCF8563BS
• Description: Real-time clock/calendar
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF8563_6
Product data sheet
Fig 14. Master transmits to slave receiver (Write mode)
Fig 15. Master reads after setting word address (write word address; read data)
Fig 16. Master reads slave immediately after first byte (Read mode)
S
SLAVE ADDRESS
S
S
acknowledgement
SLAVE ADDRESS
SLAVE ADDRESS
R/W
from slave
0 A
WORD ADDRESS
acknowledgement
acknowledgement
R/W
from slave
R/W
from slave
1 A
0 A
at this moment master transmitter
Rev. 06 — 21 February 2008
acknowledgement
becomes master receiver and
from slave
WORD ADDRESS
becomes slave transmitter
PCA8563 slave receiver
A
n bytes
DATA
S
SLAVE ADDRESS
acknowledgement
auto increment
word address
acknowledgement
from master
from slave
A
A
acknowledgement
last byte
n bytes
R/W
from slave
DATA
DATA
1
A
memory word address
no acknowledgement
auto increment
auto increment
word address
acknowledgement
from master
from slave
last byte
n bytes
DATA
DATA
1
A
mgl665
Real-time clock/calendar
mbd822
memory word address
memory word address
P
P
no acknowledgement
auto increment
acknowledgement
auto increment
from master
from master
PCF8563
© NXP B.V. 2008. All rights reserved.
1
A
001aag133
P
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