HT81003_02 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT81003_02 Datasheet PDF : 8 Pages
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Block Diagram
TG 1
I/O 1
O SCI
D ebounce
C ir c u it
O s c illa to r
C ir c u it
O n e -s h o t
T im e B a s e
G e n e ra to r
A u d io
C o n tr o lle r
R O M A d d re s s
C o u n te r
S ta tu s
D is p la y
C o n tr o lle r
D a ta R O M
S e le c to r
VDD
VSS
I/O 2
O U T1
O U T2
HT81003
Pin Assignment
NC
NC
NC
VDD
NC
O SCI
KEY1
I/O 1
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
H T81003
1 6 D IP -A
NC
NC
VSS
O U T1
VDD
O U T2
VSS
I/O 2
Pad Assignment
VDD
1
O SCI 2
KEY1
3
4
10 V S S
9
O U T1
(0 ,0 )
8
VDD
7
O U T2
5
6
Chip size: 42.3´46.7 (mil)2
* The IC substrate should be connected to VSS in the
PCB layout artwork.
Pad Coordinates
Pad No.
1
2
3
4
5
X
-387.35
-391.70
-202.25
-67.25
68.25
Y
20.06
-200.11
-377.40
-377.40
-377.40
Pad No.
6
7
8
9
10
X
214.30
383.00
379.05
383.00
397.50
Unit: mm
Y
-340.60
-77.60
-347.50
192.30
457.50
Pin Description
Pin No.
Pin Name I/O Internal Connection
Description
1, 2, 3, 5, 15, 16
4, 12
6
7
8
9
NC
VDD
OSCI
KEY1
I/O1
I/O2
¾
¾
No connection
¾
¾
Positive power supply
I Oscillator Input Pin Oscillator input pin
I
Pull-high
Trigger key 1, active low
I
NMOS Pull-high Trigger key 2, active low/NMOS output
I/O Pull-high Input/NMOS Pull-high/transistor output/NMOS output
10, 14
11
VSS
¾
OUT2
O
¾
CMOS
Negative power supply, ground
PWM output +/NMOS output
13
OUT1
O
CMOS
PWM output -/NMOS output
Rev. 1.10
2
January 22, 2002
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