Selection Table

Function

Memory

Dialing

Hold-

Line

Hand-

Free

LCD

Interface

Flash

Function

Flash

Time

(ms)

Pulse

No.

Tone

Dura-

tion

(ms)

Inter-

Tone-

Pause

(ms)

M/B

Pin

IDD

Lock

Key-

Tone

Output

On-

Hook

Store

Package

Part No.

HT9320A

SA, R

M1~M20

ÖÖ

¾

Control

600

N, N+1

10

-N

82.5

85.5

Ö¾

¾

Ö

28 DIP

Digit

600/300/98

HT9320B

SA, R

M1~M20

ÖÖ

Ö

Control

600

N, N+1

10

-N

82.5

85.5

¾¾¾

¾

28 DIP

Digit

600/300/98

HT9320C

SA, R

M1~M20

¾¾

¾

Control

600

N, N+1

10

-N

82.5

85.5

¾¾¾

¾

22SKDIP

Digit

600/300/98

HT9320H

SA, R

M1~M20

ÖÖ

¾

Digit

600/100

N

82.5

85.5

Ö¾

¾

Ö

28 DIP

HT9320K

SA, R

M1~M20

ÖÖ

¾

Control

600

N, N+1

10

-N

82.5

85.5

¾¾

Ö

¾

28 DIP

Digit

600/300/98

HT9320L

SA, R

M1~M20

ÖÖ

Ö

Control

600

N, N+1

10

-N

82.5

85.5

¾Ö¾

¾

28 DIP

Digit

600/300/98

HT9320L-X

The same as HT9320L, but the voltage polarity of the row group and the column group are reversed.

Block Diagram

HT9320 Series

Rev. 1.10

2

October 1, 2002

M / B

C 1

R 1

P O

H K S

H D I

K e y

C o l u m n

. S M

K e y

. u n c t i o n

E n c o d e r

E n c o d e r

C o n t r o l

W R M

C o u n t e r

A D D R L

K e y R o w

S R A M

D e b o u n c e

D i v i d e r

C l o c k

G e n e r a t o r

M / B

. l a s h

T i m e r

C h e c k

T o n e

E n c o d e r

C o n v e r t e r

M o d e I n

H D / H .

T o n e

O u t

P u l s e

O u t

X 1

X 2

D T M .

H . I

M O D E

H . O

H D O

D O U T

C L O C K

X M U T E

C 8

R 5

H S T

K e y t o n e

C i r c u i t

K T