Rainbow Electronics HT49R70A-1 - Manual (Page 25)

Application Circuits
HT49R70A-1
Rev. 1.00 25 December 4, 2001
O S C 1
O S C 2
P A 0 ~ P A 7
P B 0 ~ P B 7
f
S Y S
/ 4
R C o s c i l l a t o r a p p l i c a t i o n C r y s t a l o s c i l l a t o r a p p l i c a t i o n
H T 4 9 R 7 0 A - 1
R E S
O S C 3
O S C 4
I N T 0
I N T 1
S E G 0 ~ 3 9
C O M 0 ~ 3
C 1
C 2
V 1
V 2
L C D
P A N E L
O S C 1
O S C 2
T M R 0
P A 0 ~ P A 7
P B 0 ~ P B 7
R E S
O S C 3
O S C 4
I N T 0
I N T 1
S E G 0 ~ 3 9
C O M 0 ~ 3
V L C D
C 1
C 2
V 1
V 2
L C D
P A N E L
L C D P o w e r
S u p p l y L C D P o w e r
S u p p l y
V
D D
V L C D V
D D
T M R 0
T M R 1 P C 0 ~ P C 7 T M R 1 P C 0 ~ P C 7
V
D D
0 . 1 m F
0 . 1 m F
0 . 1 m F
0 . 1 m F
0 . 1 m F
0 . 1 m F
3 2 7 6 8 H z C r y s t a l o s c i l l a t o r a p p l i c a t i o n
O S C 1
O S C 2
T M R 0
P A 0 ~ P A 7
P B 0 ~ P B 7
H T 4 9 R 7 0 A - 1
R E S
O S C 3
O S C 4
I N T 0
I N T 1
S E G 0 ~ 3 9
C O M 0 ~ 3
V L C D
C 1
C 2
V 1
V 2
L C D
P A N E L
L C D P o w e r
S u p p l y V
D D
T M R 1 P C 0 ~ P C 7
0 . 1 m F
0 . 1 m F
0 . 1 m F
H T 4 9 R 7 0 A - 1