EM78468
8-BIT Microcontroller
The connecting of boosting circuits for LCD voltage is as below:
VDD
VLCD2(2*VDD/3)
VA
VLCD3(1*VDD/3)
VB
GND
External circuit for 1/3 Bias
VDD
VLCD2(VDD/2)
VA
VLCD3(VDD/2)
VB
External circuit for 1/2 Bias
Fig. 17 The Connection of Charge Bump Circuit (Cext=0.1uf )
GND
Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
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