Digilent 410-138P-KIT - Manual (Page 21)

Genesys Reference Manual
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Reading Data from LCD
tsu th
th tpw
tr tf
trdsu tdh
tc
RS
E
RW
DB7-DB0 Valid Data
Writing Data to LCD
tsu th
th tpw
tr tf
twdsu tdh
tc
RS
E
RW
DB7-DB0 Valid Data
LCD Bus Timings
Parameter Symbol Min Max Unit Pin
Enable cycle time tc 1200 ns E
Enable High pulse width tw 480 ns E
Enable rise/fall time tr, tf 25 ns E
RS, R/W setup time tsu 0 ns RS, R/W
RS, R/W hold time th 10 ns RS, R/W
Read data setup trdsu 60 320 ns DB0-DB7
Data hold time tdh 300 ns DB0-DB7
Write data setup time twdsu 80 ns DB0-DB7