Holtek HT46R47 - Application Circuits

Application Circuits
Chapter 1 Hardware Structure
77
O S C 1
O S C 2
O S C
C i r c u i t
R E S
0 . 1
m
F
1 0 0 k
W
V D D
V S S
V
D D
0 . 0 1
m
F
1 0 k
W
S e e B e l o w
H T 4 6 R 4 7 / H T 4 6 C 4 7
P D 0 / P W M
~
P B 0 / A N 0
P B 3 / A N 3
P A 0 ~ P A 2
P A 3 / P F D
P A 4 / T M R
P A 5 / I N T
P A 6 ~ P A 7
0 . 1
m
F
R C S y s t e m O s c i l l a t o r
3 0 k
W
< R
O S C
< 7 5 0 k
W
V
D D
R
O S C
f
S Y S
/ 4
O S C 1
O S C 2
4 7 0 p F
O S C 1
O S C 2
R 1
C 1
C 2
O S C C i r c u i t
C r y s t a l S y s t e m O s c i l l a t o r
F o r c o m p o n e n t v a l u e s ,
c o n s u l t O s c i l l a t o r s e c t i o n