HT9315 データシートの表示（PDF） - Holtek Semiconductor

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HT9315

15-Memory Tone/Pulse Dialer

Holtek Semiconductor 

Block Diagram

HT9315 Series

C1

K ey

C o lu m n

C5

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

SRAM

ADDRL

C heck

Tone

Tone

E ncoder

O ut

C o n v e rte r

P u ls e

O ut

. la s h

M o d e In

H D /H .

M /B

T im e r

K e y to n e

G e n e ra to r

DOUT

C LO C K

D TM .

PO

XM U TE

HKS

H .I

HDI

HDO

H .O

M ODE

Pin Assignment

HT9315x/xL version

C1 1

18

C2 2

17

C3 3

16

C4 4

15

C5 5

14

X1 6

13

X2 7

12

XM U TE 8

11

VSS 9

10

H T 9 3 1 5 A /A L

1 8 D IP -A

R4

R3

R2

R1

M ODE

D TM .

PO

HKS

VDD

HDI 1

22

C1 2

21

C2 3

20

C3 4

19

C4 5

18

C5 6

17

X1 7

16

X2 8

15

XM U TE 9

14

V S S 10

13

H .I 11

12

H T 9 3 1 5 B /B L

2 2 S K D IP -A

HDO

R4

R3

R2

R1

M ODE

D TM .

PO

HKS

VDD

H .O

C1

C2

C3

C4

C5

X1

X2

XM U TE

VSS

DOUT

1

20

2

19

3

18

4

17

5

16

6

15

7

14

8

13

9

12

10

11

H T 9 3 1 5 C /C L

2 0 D IP -A

R4

R3

R2

R1

M ODE

D TM .

PO

HKS

VDD

C LO C K

HDI 1

C1 2

C2 3

C3 4

C4 5

C5 6

X1 7

X2 8

XM U TE 9

V S S 10

H .I 11

D O U T 12

24 H D O

23 R 4

22 R 3

21 R 2

20 R 1

19 M O D E

18 D TM .

17 P O

16 H K S

15 V D D

14 H .O

13 C LO C K

H T 9 3 1 5 D /D L

2 4 S K D IP -A

Keyboard Information

. o rm A

C1 C2 C3 C4 C5

R1

1

2

R2

4

5

R3

7

8

R4

* /T

0

3

SA EM 1

6

. EM 2

9

A

EM 3

# R /P S T

. o rm B

C1 C2 C3 C4 C5

R1

1

2

3

P EM 1

R2

4

5

6

. EM 2

R3

7

8

9

A EM 3

R4

* /T

0

#

R

ST

Rev. 1.20

2

October 1, 2002

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