pcf2104 NXP Semiconductors, pcf2104 Datasheet - Page 21

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pcf2104

Manufacturer Part Number
pcf2104
Description
Pcf2104x Lcd Controller/driver
Manufacturer
NXP Semiconductors
Datasheet
Philips Semiconductors
1997 Dec 16
LCD controller/driver
IR7, IR3: instruction 7
AC3: Address Counter 3
internal
R/W
DB7
RS
E
internal
R/W
DB7
RS
E
th
bit, 3
rd
instruction
bit.
rd
write
data
bit.
instruction
Fig.16 An example of 4-bit data transfer timing sequence.
IR7
write
Fig.17 Example of Busy Flag check timing sequence.
IR3
internal operation
busy flag
busy
check
internal operation
busy
busy flag
check
AC3
21
busy flag
check
busy
busy
not
busy flag
check
AC3
busy flag
check
busy
not
D7
instruction
write
D3
instruction
data
write
MGA805
Product specification
PCF2104x
MGA806

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