PCF2119AU NXP [NXP Semiconductors], PCF2119AU Datasheet - Page 43

• Manufacturer Part Number: PCF2119AU
• Description: LCD controllers/drivers Single-chip LCD controller and driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2119X
Product data sheet
Fig 26. Example of busy flag checking timing sequence
internal
R/W
DB7
RS
E
instruction
Fig 25. An example of 4-bit data transfer timing sequence
write
data
internal
R/W
DB7
RS
E
IR7, IR3: instruction 7th, 3rd bit.
AC3: address counter 3rd bit.
D7, D3: data 7th, 3rd bit.
All information provided in this document is subject to legal disclaimers.
instruction
busy flag
internal operation
busy
IR7
check
write
Rev. 7 — 15 November 2010
IR3
internal operation
busy flag
check
busy
busy
busy flag
check
AC3
busy flag
check
busy
not
busy
not
busy flag
check
AC3
instruction
LCD controllers/drivers
data
write
PCF2119x
D7
instruction
© NXP B.V. 2010. All rights reserved.
write
mga806
D3
mga805
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