HT49CA1 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT49CA1' PDF : 58 Pages View PDF
Block Diagram
I/O
P o rts
O TP
P r o g r a m m in g
C ir c u itr y
O TP
P ro g ra m
M e m o ry
S ta c k
D a ta
M e m o ry
C a r r ie r
G e n e ra to r
LC D
D r iv e r
T im e r s
HT49RA1/HT49CA1
W a tc h d o g
T im e r
8 - b it
R IS C
M CU
C o re
Low
V o lta g e
R eset
W a tc h d o g
T im e r O s c illa to r
R eset
C ir c u it
In te rru p t
C o n tr o lle r
R C S y s te m
O s c illa to r
Note: This block diagram represents the OTP devices, for the mask devices there is no Device Programming
Circuitry.
Pin Assignment
PA6
PA7
P B 0 /IN T 0
P B 1 /IN T 1
P B 2 /T M R 0
P B 3 /T M R 1
PB4
PB5
VSS
P C 0 /R E M
PB6
PB7
V LC D
V1
V2
C1
64 63 62 6160 59 585756 5554 5352 515049
1
48
2
47
3
46
4
45
5
44
6
43
7
42
8
H T 4 9 R A 1 /H T 4 9 C A 1
41
9
6 4 L Q F P -A
40
10
39
11
38
12
37
13
36
14
35
15
34
16
33
1718 19 20 21 2223 2425 26 2728 29303132
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
S E G 10
S E G 11
S E G 12
S E G 13
S E G 14
S E G 15
S E G 16
S E G 17
S E G 18
S E G 19
S E G 20
Rev. 1.10
2
March 30, 2014
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