EM78468AQ EMC [ELAN Microelectronics Corp], EM78468AQ Datasheet - Page 49
EM78468AQ
Manufacturer Part Number
EM78468AQ
Description
8-BIT Microcontroller
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM78468AQ.pdf
(71 pages)
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Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
The connecting of boosting circuits for LCD voltage is as below:
Fig. 17 The Connection of Charge Bump Circuit (Cext=0.1uf )
VA
VB
External circuit for 1/3 Bias
External circuit for 1/2 Bias
VA
VB
VLCD3(1*VDD/3)
VLCD2(VDD/2)
VLCD3(VDD/2)
VLCD2(2*VDD/3)
GND
VDD
VDD
GND
8-BIT Microcontroller
EM78468
• 45
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