HT46R23/HT46C23
Block Diagram
P A 5 /IN T
In te rru p t
C ir c u it
S T A C K
P ro g ra m
R O M
P ro g ra m
C o u n te r
IN T C
T M R C
T M R
M
U
P r e s c a le r
X
P A 4 /T M R
f
S
Y S
P A 3 /P F D
P A 4
f
S
Y S
/4
In s tr u c tio n
R e g is te r
M P
M
U
X
D A T A
M e m o ry
P W
W D T
P r e s c a le r
M
P o rt D
W D T
M
U
X
R C
O S C
M 1
P D C
P D
In s tr u c tio n
D e c o d e r
A L U
T im in g
G e n e ra to r
S h ifte r
P A 3 , P A 5
M U X
P D 0 /P W
M 0 ~ P D 1 /P W
8 -C h a n n e l
A /D C o n v e rte r
S T A T U S
P B C
P B
P o rt B
P B 0 /A N 0 ~ P B 7 /A N 7
P A
P A
P A
P A
P A
P A
0 ~
3 /
4 /
5 /
6 /
7 /
P
P F
T M
IN
S D
S C
A 2
D
R
T
A
L
P A C
O S C 2
O S
R E
V D
V S
S
S
D
C 1
P o rt A
A C C
L V R
2
P A
I C B u s
S la v e M o d e
P C
P C C
P o rt C
P C 0 ~ P C 4
Pin Assignment
P B 5 /A N 5
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
P B 4 /A N 4
P B 5 /A N 5
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
P B 4 /A N 4
P A 3 /P F D
P A 2
P A 1
P A 0
P B 3 /A N 3
P B 2 /A N 2
P B 1 /A N 1
P B 0 /A N 0
V S S
P C 0
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
1 6
1 5
1 4
1 3
P B 6 /A N 6
P B 7 /A N 7
P A 4 /T M R
P A 5 /IN T
P A 6 /S D A
P A 7 /S C L
O S C 2
O S C 1
V D D
R E S
P D 0 /P W M 0
P C 1
P A 3 /P F D
P A 2
P A 1
P A 0
P B 3 /A N 3
P B 2 /A N 2
P B 1 /A N 1
P B 0 /A N 0
V S S
P C 0
P C 1
P C 2
2 8
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
1 6
1 5
P B 6 /A N 6
P B 7 /A N 7
P A 4 /T M R
P A 5 /IN T
P A 6 /S D A
P A 7 /S C L
O S C 2
O S C 1
V D D
R E S
P D 1 /P W M 1
P D 0 /P W M 0
P C 4
P C 3
H T 4 6 R 2 3 /H T 4 6 C 2 3
2 4 S K D IP -A /S O P -A
H T 4 6 R 2 3 /H T 4 6 C 2 3
2 8 S K D IP -A /S O P -A
Rev. 1.90
2
July 13, 2005
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
