HT81R09(2005) データシートの表示（PDF） - Holtek Semiconductor
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HT81R09 Datasheet PDF : 19 Pages
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Block Diagram
HT81XXX
I/O 1
I/O 2
K E Y 1~4
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
O U T1
O U T2
O U T3
Pin Assignment
I/O 2 1
I/O 1 2
KEY4 3
KEY3 4
VDD 5
O SCI 6
KEY1 7
KEY2 8
16 N C
15 N C
14 V S S
13 O U T1
12 V D D
11 O U T2
10 V S S
9 O U T3
H T 8 1 0 0 6 /H T 8 1 0 0 9
H T 8 1 0 1 2 /H T 8 1 0 1 8
1 6 D IP -A
Pad Assignment
HT81006/HT81009
I/O 2 1
I/O 1 2
KEY4 3
KEY3 4
VDD 5
O SCI 6
KEY1 7
KEY2 8
16 V P P
15 O E
14 V S S
13 O U T1
12 V D D
11 O U T2
10 V S S
9 O U T3
H T 8 1 R 0 9 /H T 8 1 R 1 8 /H T 8 1 R 3 6
1 6 D IP -A
I/O 2
I/O 1
KEY4
KEY3
VDD
O SCI
1
14
2
(0 ,0 )
3
4
13
5
12
6
7 8 9 10 11
VSS
O U T1
VDD
O U T2
Rev. 1.40
Chip size: 41.9 ´ 70.3 (mil)2
* The IC substrate should be connected to VSS in the PCB layout artwork.
2
March 1, 2005
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