EM78808
8-bit Micro-controller
(Using external EMC LCD driver)
LCD pannel
SEGMENT
COMMON
LCD driver
EM9L8580
( support max 65x132 pixels)
/WR
/CS1
/RD
A0
D0..D7
CLK
p60
(SCK) (SD0)
p61
p65
p63
p64
8
Key matrix
P87~P80
SEG23
VDD,AVDD
XIN
VDD
SEG10
SEG9
SEG8
27p
32.768k
XOUT
PLLC
27p
0.1u
AVSS,GND
EGIN2
EM78808
47K
4700p
4700p
P73
P70 P71 P72
EGIN1
TIP
47K
VDD
TEST
TIP
4700p
4700p
47K
47K
LINE
RING
RING
CWGS
STGT
EST
CWGS
CWIN
47p
150K
39K
4700p
Line
Interface
Speech
Network
______________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
8/1/2004 (V3.1)
57
ELAN [ ELAN MICROELECTRONICS CORP ]
