4-bit single-chip microcontroller.
* LCD controller/driver
* Key scan circuit
* LED output
* Supply voltage
* System clock : : : : : Can display up to 75 segments. 1/3 duty, 1/3 bias, f.
These pins output segment signals to an LCD panel. They are used to control the display on the LCD panel by forming a matrix with COM0 through COM2 (pins 62 through 64). Ground pin I/O Format CMOS pushpull output
26 58 27
GND0 GND1 CLOCK
Ground
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