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4
/CE, /RD, /WR pulse width
t
CE,
t
RD,
t
WR
80
—
nS
Data set-up time
t
DS
80
—
nS
Data hold time
t
DH
40
—
nS
Access time
t
ACC
—
150
nS
Output hold time
t
OH
10
50
nS
MPU write timing
9.
FUNCTION SPECIFICATIONS
9.1.
Adjusting The LCD Display Contrast
A Variable-Resistor must be connected to the LCD module for providing a reference to V0.The
recommended value of the Variable-Resistor is 20K to 50K.