PCF8563TS Philips Semiconductors, PCF8563TS Datasheet - Page 15
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PCF8563TS
Manufacturer Part Number
PCF8563TS
Description
Real-time clock/calendar
Manufacturer
Philips Semiconductors
Datasheet
1.PCF8563TS.pdf
(30 pages)
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Philips Semiconductors
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Product specification
8.9.5 I
Addressing:
respond is addressed first. The addressing is always carried out with the first byte
transmitted after the start procedure.
The PCF8563 acts as a slave receiver or slave transmitter. Therefore the clock signal
SCL is only an input signal, but the data signal SDA is a bidirectional line.
The PCF8563 slave address is shown in
Clock/calendar read/write cycles:
PCF8563 read and write cycles are shown in
address is a four bit value that defines which register is to be accessed next. The
upper four bits of the word address are not used.
width
2
Fig 10. Slave address.
Fig 11. Master transmits to slave receiver (write mode).
C-bus protocol
S
SLAVE ADDRESS
Before any data is transmitted on the I
handbook, halfpage
16 April 1999
acknowledgement
R/W
from slave
0 A
1
group 1
0
WORD ADDRESS
The I
1
0
Figure
2
C-bus configuration for the different
0
acknowledgement
group 2
Figure
from slave
0
10.
A
A0 R/W
2
11,
C-bus, the device which should
MRB016
12
n bytes
DATA
Real-time clock/calendar
© Philips Electronics N.V. 1999. All rights reserved.
and 13. The word
memory word address
auto increment
acknowledgement
PCF8563
from slave
A
MBD822
P
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