EM78808
8-bit Micro-controller
XII. Application Circuit
(Using 808 built-in LCD driver)
LCD pannel
SEGMENT
COMMON
VC1
0.1u
0.1u
0.1u
0.1u
VC2
VC3
VC4
VC5
Key matrix
SEG23
0.1u
VDD,AVDD
SEG10
SEG9
SEG8
VDD
XIN
27p
27p
0.1u
32.768k
XOUT
PLLC
EM78808
AVSS,GND
EGIN2
P73
P70 P71 P72
VDD
TEST
4700p
4700p
47K
EGIN1
47K
TIP
TIP
STGT
EST
47K
47K
4700p
4700p
LINE
RING
RING
CWGS
CWIN
47p
150K
39K
4700p
Line
Interface
Speech
Network
______________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
8/1/2004 (V3.1)
56
ELAN [ ELAN MICROELECTRONICS CORP ]
