Application Circuits - Holtek HT66F20-1 Manual

HT66F20-1/HT66F30-1/HT68F20-1/HT68F30-1
Flash MCU with EEPROM

Application Circuits

HT66F20-1/HT66F30-1
0 . 1 m F
Note: "*": It is recommended that this component is added for added ESD protection.
"**": It is recommended that this component is added in environments where power line
noise is significant.
Rev. 1.40
V
D D
0 . 0 1 m F * *
V D D
1 0 k W ~
1 0 0 k W
1 N 4 1 4 8 *
R E S
3 0 0 W *
0 . 1 ~ 1 m F
V S S
O S C 1
O S C
C i r c u i t
O S C 2
S e e O s c i l l a t o r
S e c t i o n
X T 1
O S C
C i r c u i t
X T 2
S e e O s c i l l a t o r
S e c t i o n
18�
R e s e t
C i r c u i t
A N 0 ~ A N 7
P B 0 ~ P B 5
P C 0 ~ P C 7
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