PCF2119AU NXP [NXP Semiconductors], PCF2119AU Datasheet - Page 46
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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Part Number:
PCF2119AU/2DA/2
Manufacturer:
NXP
Quantity:
40 000
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NXP Semiconductors
PCF2119X
Product data sheet
Fig 32. Master transmits to slave receiver; write mode
Fig 33. Master reads after setting word address; writes word address, set RS; Read_data
S
0 1 1 1 0 1
slave address
S
Last data byte is a dummy byte (may be omitted).
0 1 1 1 0 1
slave address
acknowledgement
from PCF2119x
S
A
0
acknowledgement
R/W
0 A
S
A
0
R/W
0 A
•
•
Co
1
Arbitration: procedure to ensure that if more than one master simultaneously tries to
control the bus, only one is allowed to do so and the message is not corrupted.
Synchronization: procedure to synchronize the clock signals of two or more devices.
RS
Co
S
1
RS
CONTROL BYTE A
CONTROL BYTE A
ADDRESS
SLAVE
All information provided in this document is subject to legal disclaimers.
2n ≥ 0 bytes
acknowledgement
2n ≥ 0 bytes
S
A
0
R/W
Rev. 7 — 15 November 2010
1 A
Co
DATA BYTE
DATA BYTE
DATA BYTE
n bytes
acknowledgement
data pointer
A
A
update
Co
0
A
Co
RS
0
RS
CONTROL BYTE A
CONTROL BYTE A
1 byte
1 byte
DATA BYTE
last byte
no acknowledgement
data pointer
DATA BYTE
update
LCD controllers/drivers
1
n ≥ 0 bytes
P
DATA BYTE
PCF2119x
n ≥ 0 bytes
© NXP B.V. 2010. All rights reserved.
(1)
mgg003
A
data pointer
A
update
mgk899
46 of 83
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