HD44780UBXXFS データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HD44780UBXXFS

Dot Matrix Liquid Crystal Display Controller/Driver

Hitachi -> Renesas Electronics 

HD44780U

Timing Characteristics

VIH1

RS

VIL1

tAS

VIH1

VIL1

tAH

R/W

E

VIL1

PWEH

VIH1

VIL1

tEr

VIH1

VIL1

tDSW

VIL1

tAH

tEf

tH

VIL1

DB0 to DB7

VIH1

VIL1

Valid data

tcycE

VIH1

VIL1

Figure 25 Write Operation

RS

R/W

E

VIH1

VIL1

tAS

VIH1

PWEH

VIH1

VIL1

tEr

tDDR

VIH1

VIL1

VIH1

VIL1

tAH

VIH1

tAH

tEf

tDHR

VIL1

DB0 to DB7

VOH1

VOL1 *

Valid data

tcycE

VOH1

* VOL1

Note: * VOL1 is assumed to be 0.8 V at 2 MHz operation.

Figure 26 Read Operation

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