HT93214 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT93214 Datasheet PDF : 16 Pages
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Block Diagram
HT93214 Series
C1
K ey
C o lu m n
C3
R1
K ey R ow
R4
X1
D iv id e r
X2
.SM
K ey
. u n c tio n
E ncoder
E ncoder
D ebounce
C lo c k
G e n e ra to r
C o n tro l
W RM
C o u n te r
ADDRL
SRAM
C heck
Tone
Tone
E ncoder
O ut
C o n v e rte r
P u ls e
O ut
C lo c k
C o n tro l
M /B
. la s h /M o d e
H.
T im e r
K e y to n e
G e n e ra to r
D TM .
PO
XM U TE
HKS
H .I
H .O
M O DEO
M ODE
KT
Pin Assignment
HKS 1
M ODE 2
X1 3
X2 4
VSS 5
VDD 6
D TM . 7
XM U TE 8
16 R 4
15 R 3
14 R 2
13 R 1
12 C 3
11 C 2
10 C 1
9 PO
H T93214A
1 6 D IP -A
Keyboard Information
C1 C2 C3 HKS
R1
1
2
R2
4
5
R3
7
8
R4
* /T
0
3
.1
6
.2
9
P
#
R
H .O 1
18 H .I
HKS 2
M ODE 3
X1 4
X2 5
VSS 6
VDD 7
D TM . 8
XM U TE 9
17 R 4
16 R 3
15 R 2
14 R 1
13 C 3
12 C 2
11 C 1
10 P O
H T93214B
1 8 D IP -A
HKS 1
M ODE 2
X1 3
X2 4
VSS 5
VDD 6
D TM . 7
XM U TE 8
M O DEO 9
18 R 4
17 R 3
16 R 2
15 R 1
14 C 3
13 C 2
12 C 1
11 P O
10 K T
H T93214A T
1 8 D IP -A
Rev. 1.10
2
October 2, 2002
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