HT46R4A View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT46R4A Datasheet PDF : 60 Pages
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Block Diagram
S y s te m R C /
X 'ta l O s c illa to r
T im in g
G e n e ra to r
In s tr u c tio n
D ecoder
In s tr u c tio n
R e g is te r
W DT
O s c illa to r
D a ta
M e m o ry
M
M UX
ACC
U
X
M e m o ry
P o in te r
A LU
S h ifte r
HT46R4A
P ro g ra m
M e m o ry
P ro g ra m
C o u n te r
S ta c k
S ta c k P o in te r
L o o k -u p
T a b le
R e g is te r
L o o k -u p
T a b le
P o in te r
T o P ro g ra m
M e m o ry
C o n fig u r a tio n
O p tio n
A /D
R eset&
C o n v e rte r
LV R
C o n fig .
R e g is te r
PW M
C o n fig . T im e r /
R e g is te r C o u n te r
PFD
C o n fig . In te r r u p t C o n fig . I/O
R e g is te r C ir c u it R e g is te r P o r ts
D e v ic e
P r o g r a m m in g
C ir c u itr y
Pin Assignment
P B 5 /A N 5 1
P B 4 /A N 4 2
P A 3 /P F D 3
PA2 4
PA1 5
PA0 6
P B 3 /A N 3 7
P B 2 /A N 2 8
P B 1 /A N 1 9
P B 0 /A N 0 1 0
V S S 11
P C 0 12
P C 1 13
P C 2 14
28 P B 6
27 P B 7
2 6 P A 4 /T M R 0
2 5 P A 5 /IN T
24 P A 6
2 3 P A 7 /T M R 1
22 O S C 2
21 O S C 1
20 V D D
19 R E S
1 8 P D 1 /P W M 1
1 7 P D 0 /P W M 0
16 P C 4
15 P C 3
H T46R 4A
2 8 S K D IP -A /S O P -A
P B 5 /A N 5
P B 4 /A N 4
P A 3 /P F D
PA2
PA1
PA0
P B 3 /A N 3
P B 2 /A N 2
P B 1 /A N 1
P B 0 /A N 0
VSS
PC0
PC1
PC2
PC3
PC4
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8
25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
H T46R 4A
3 2 D IP -A
PB6
PB7
P A 4 /T M R 0
P A 5 /IN T
PA6
P A 7 /T M R 1
O SC2
O SC1
VDD
RES
PD2
P D 1 /P W M 1
P D 0 /P W M 0
PC7
PC6
PC5
PA2
PA1
PA0
NC
P B 3 /A N 3
P B 2 /A N 2
P B 1 /A N 1
P B 0 /A N 0
VSS
NC
PC0
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
31
4
30
5
6
7
H T46R 4A
4 4 Q F P -A
29
28
27
8
26
9
25
10
24
11
23
12 13 14 15 16 17 18 19 20 21 22
NC
P A 4 /T M R 0
P A 5 /IN T
PA6
P A 7 /T M R 1
NC
NC
O SC2
O SC1
VDD
NC
Rev. 1.00
2
November 28, 2007
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