Application Circuits - Holtek HT827A0 Manual

Application Circuits

RC oscillator for multiple I/O applications
R
O S C
O S C 1
P A 0 ~ P A 7
P B 0 ~ P B 7
O S C 2
f / 4
S Y S
P C 0 ~ P C 7
V
D D
P D 0 ~ P D 7
1 0 k W
P E 0 ~ P E 3
R E S
0 . 1 m F
A U D
I N T
T M R
0 6 & % )
Crystal oscillator for multiple I/O applications
2 0 p F
1 0 M W
2 0 p F
1 0 k W
V
D D
0 . 1 m F
S P K
8 W
8 0 5 0
28
HT827A0
O S C 1
P A 0 ~ P A 7
P B 0 ~ P B 7
O S C 2
P C 0 ~ P C 7
V
D D
P D 0 ~ P D 7
P E 0 ~ P E 3
R E S
I N T A U D
T M R
0 6 & % )
March 15, 2000
V
D D
S P K
8 W
8 0 5 0