PCF2119AU/2DA/2 NXP [NXP Semiconductors], PCF2119AU/2DA/2 Datasheet - Page 40

• Manufacturer Part Number: PCF2119AU/2DA/2
• Description: LCD controllers/drivers
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2119X_5
Product data sheet
Fig 25. Example of busy flag checking timing sequence
internal
R/W
DB7
RS
E
instruction
Fig 24. 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.
instruction
busy flag
internal operation
busy
IR7
check
write
Rev. 05 — 13 August 2009
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. 2009. All rights reserved.
write
mga806
D3
mga805
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