GMS81C7216 Datasheet, PDF (92/121 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS81C7208/7216
DIP S/W, VR
1
SW5
2
Description
Internal power supply to sub-oscillation circuit.
Reserved for other purpose.
Adjust the LCD contrast. It supply bias voltage and adjust the
VCL2 voltage.
ON/OFF Setting
Must be ON position.
Must be OFF position.
VR1
-
EVA. Chip Internal
BIAS
VCL2
VCL1
VCL0
V_{DD Adjust Contrast}
SW4-1
VR1 50kΩ
SW4-2
SW4-3
10kΩ × 3
Adjust the proper position as well as
LCD display good.
0.47uF × 3
V_SS
External Resistor
and Capacitor
VR2
- Reserved for other purpose.
Don’t care.
88
FEB. 2005 Ver 1.04