HD66503 Datasheet, PDF (5/27 Pages) Hitachi Semiconductor – (240-Channel Common Driver with Internal LCD Timing Circuit)

HD66503
Classi-
fication Symbol Pin No. Pin Name I/O
Number
of Pins Functions
LCD
timing
SHL
251
',632)) 260
Shift left Input 1
Display off Input 1
'2&
265
Display off I/O 1
control
Pin SHL switches the shift direction of
the shift register. Refer to FLM for
details.
Turns off the LCD.
During master mode, liquid crystal drive
output X1 to X240 can be set to level
V1 by setting the pin to low. By setting
the HD66520 to level V1 in the same
way, the data on the display can be
erased. During slave mode, set
',632)) high.
Controls the display-off function. During
master mode, pin '2& becomes an
output pin and controls display off after
reset and display off according to signal
',632)). In this case, connect this
signal to the HD66520’s pin ',632)).
During slave mode, pin '2& becomes
an input pin for display off control
signal. In this case, connect this signal
to the master HD66503’s pin '2&.
LCD
X1 to
240
X1 to
drive
X240
to 1
X240
output
Output 240
Selects one from among four levels
(V1, V2, V5, and V6) depending on the
combination of M signal and display
data. See Figure 3.
Note: 30 input/outputs (excluding driver block)
931