PCF2119AU NXP [NXP Semiconductors], PCF2119AU Datasheet - Page 45
PCF2119AU
Manufacturer Part Number
PCF2119AU
Description
LCD controllers/drivers Single-chip LCD controller and driver
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF2119AU.pdf
(83 pages)
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PCF2119X
Product data sheet
11.2.1 I
11.2.2 I
The I
One I
Before any data is transmitted on the I
addressed first. The addressing is always carried out with the first byte transmitted after
the START procedure.
The I
Figure 32
The slow down feature of the I
internal operations) is not used in the PCF2119x.
Definitions:
2
2
Fig 30. Acknowledgement on the I
Fig 31. PCF2119x I
•
•
•
•
•
C-bus protocol
C-bus definitions
Transmitter: the device which sends the data to the bus.
Receiver: the device which receives the data from the bus.
Master: the device which initiates a transfer, generates clock signals and terminates a
transfer.
Slave: the device addressed by a master.
Multi-master: more than one master can attempt to control the bus at the same time
without corrupting the message.
2
2
2
C-bus interface of PCF2119x is 5 V tolerant.
C-bus configuration for the different PCF2119x read and write cycles is shown in
C-bus slave address is reserved for the PCF2119x (see
by transmitter
data output
by receiver
data output
SCL from
to
master
Figure
All information provided in this document is subject to legal disclaimers.
34.
condition
2
START
C-bus slave address
Rev. 7 — 15 November 2010
S
2
C-bus protocol (receiver holds SCL line LOW during
1
2
0 1 1 1 0 1
C-bus
slave address
2
C-bus, the device which should respond is
2
013aaa143
S
A
0
R/W
0
not acknowledge
acknowledge
Figure
8
LCD controllers/drivers
PCF2119x
acknowledgement
clock pulse for
31).
© NXP B.V. 2010. All rights reserved.
9
mbc602
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