LH1594 SHARP [Sharp Electrionic Components], LH1594 Datasheet - Page 34

• Manufacturer Part Number: LH1594
• Description: 80-Segment and 17-Common Outputs LCD Driver IC with A Built-in CGROM
• Manufacturer: SHARP [Sharp Electrionic Components]

9.2. Description of Pins Connected
SCL
SDA
SA0
ISEL
with The I
Serial clock input pin.
SCL is used for clock of all data I/O.
SDA is bi-directional pin, which is used
for data I/O.
SDA is open drain pin, connect to V
via pull-up resistor.
SA0 is used for LSB bit of slave address
(7 bits width). Must be fixed to "H" or "L"
externally.
ISEL selects whether to use I
not.
When ISEL is "H", I
If ISEL is low, I
LH1594 is not warrantied.
2
C BUS
2
C BUS operation of
2
C BUS is enable.
2
C BUS or
DD
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LH1594/LH1595