HT46R03 Просмотр технического описания (PDF) - Holtek Semiconductor
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HT46R03 Datasheet PDF : 60 Pages
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HT46R01/HT46R02/HT46R03
Device Markings
A suffix with the number 1, 2 or 3 will be added to each of the part numbers and printed on the package. The suffix num-
ber denotes the fixed oscillation frequency of the internal RC oscillator as shown.
Part No.
Device Marking
Internal RC Oscillator Frequency
HT46R01
46R01-1
46R01-2
46R01-3
4MHz
8MHz
12MHz
HT46R02
46R02-1
46R02-2
46R02-3
4MHz
8MHz
12MHz
HT46R03
46R03-1
46R03-2
46R03-3
4MHz
8MHz
12MHz
Block Diagram
The following block diagram illustrates the main functional blocks.
S y s te m R C /X 'ta l/
R T C O s c illa to r
In te rn a l
O s c illa to r
W DT
O s c illa to r
R eset&
LV R
T im in g
G e n e ra to r
D a ta
M e m o ry
In s tr u c tio n
D ecoder
M
U
X
M e m o ry
P o in te r
B ank
P o in te r
In s tr u c tio n
R e g is te r
M UX
ACC
A LU
S h ifte r
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
C o n v e rte r
C o n fig .
R e g is te r
PW M
C o n fig . W a tc h d o g C o n fig . T im e r ( s ) /
R e g is te r 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 A 3 /IN T /A N 3
P A 2 /T M R 0 /A N 2
P A 1 /P F D /A N 1
P A 0 /A N 0
VSS
1
10
2
9
3
8
4
7
5
6
H T46R 01
1 0 M S O P -A
P A 4 /P W M
P A 5 /O S C 2
P A 6 /O S C 1
P A 7 /R E S
VDD
P A 3 /IN T /A N 3 1
P A 2 /T M R 0 /A N 2 2
P A 1 /P F D /A N 1 3
P A 0 /A N 0 4
VSS 5
1 0 P A 4 /T M R 1 /P W M
9 P A 5 /O S C 2
8 P A 6 /O S C 1
7 P A 7 /R E S
6 VDD
H T 4 6 R 0 2 /H T 4 6 R 0 3
1 0 M S O P -A
Rev. 1.00
2
September 21, 2007
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