Alinco DR-620 - Lc75884 W (Xa0899)

LCD Driver
16) LC75884W (XA0899)
*n 'J'
in m
vt in
-c m fN ■-<
in Tf fo fs h j; £ E E f O iN H ü t n c c ^ y M n '# ^
[/) ui tu m u O O O o m m u -u r j^ j'-îï^ r ^ j'- ïj'^ ’iT
i i W K K i iU U U U i O t i f l n n w w w w w u j u )
nnnnnnnnnnnnnnnnnnnn
/ fiO 50 41
KS6 \= Z 61
AO
t z i S 4 2
K I1 t= Z
S4 1
K I2 C =
— } S4G
K I 3
E = l S 3 9
K I4 C =
= Z I S 3 8
K I5 CT!
= ) S 3 7
VDD E =
“ ZI S 3 6
VLC D 1ZZ
z n S 3 5
V L C D l C Z
VLC D 2 i =
70
LC75884W
= 1 S 3 4
= 1 S 3 3
VSS EZZ
TE S T 1 =
(SQFP80)
30
= J S 3 2
= ] S 3 1
OSC C Z
= □ S 3 0
RES C Z
n : S 29
d o i n :
5 2 9
CE 1 =
m S 2 7
CL C Z
^ S 2 6
D i c n
= 3 £ 2 5
P l / S l c =
aoO
S2 4
P 2 /S 2 c z :
21
= 3 S 23
1 10
20
UUUUUUUUUUUUUUUUUWLIU
■v.-^ w w M w w n t n t o w w u i u l i / )
cO **
A ft
Block Diagram
co (N
S 2
o o
u u
O O O
^ ro CN I—)
P4 P4 Al Ai
\ \ \ \
in ^ m fN >h
co co co co co
0 0 0 0 0
DO O-
D I O-
CL O -
CE O -
VDD O
COMMON
D R IV ER
CLOCK
GENERATOR
CCB
IN T E R F A CE
VDE T
h
SEGMENT D R IV ER & LATCH
S H IF T R EG IS TE R
CONTROL
R E G IS T E R
KEY
BUFFER
KEY SCAN
Ô Ô Ô Ô Ô
in n (N h
H H H H H
« « « « «
Ô Û Ô Ô Ô Ô
vo in (*) in h
co co co co co co
« « W w U5 W
N X
in
in in
co co
16