HT9320B datasheet(10/29 Pages) HOLTEK

10 / 29 page

HT9320 Series

Rev. 1.10

October 1, 2002

Flash function/time (duration) selection table

· HT9320A/B/C/K/L

RK13

RK14

Flash

Function

Flash Time

(TF)

Control

600ms

Yes

Digit

600ms

Yes

Digit

98ms

Yes

Digit

300ms

· HT9320H

M/B Pin

Flash

Function

Flash Time

(TF)

VSS

Digit

600ms

VDD

Digit

100ms

Pause and P

®T duration selection table

· HT9320A/B/C/K/L

RK21

TP (sec)

TP®T (sec)

3.6

Yes

· HT9320H

TP (sec)

TP®T (sec)

3.6

Pulse number selection table

· HT9320A/B/C/K/L

RK31

RK41

Pulse

Number

Yes

N+1

Yes

10-N

Yes

· HT9320H

Pulse Number

Inter-digit-pause time for 10pps

· HT9320A/B/C/K

RK51

Inter-digit pause time

800ms

Yes

400ms

· HT9320H/L

Inter-digit pause time

800ms

Pulse number table

Keypad

Output Pulse Number

Digit Key

-N

N+1

1192

2283

3374

4465

5556

6647

7738

8829

991

010

101

*/T

®TP®TP®T

Ignored

DOUT BCD code

When dialing, the corresponding 4-bit BCD codes are

serially presented on DOUT from MSB to LSB. The data

of DOUT is valid at the falling edge of the CLOCK pin.

The following table lists the BCD codes corresponding

to the keyboard input.

Key-In

BCD Code

Key-In

BCD Code

0001

1000

0010

1001

0011

1010

0100

*/T

1101

0101

1100

0110

1011

0111

1110

On hook store (HT9320A/H)

When the external power supply (2V~5.5V) is used and

the HST pin is connected to VDD, the user can store di-

aling numbers to the memories (M1~M20) during

on-hook state.

On/Off hook store selection table

HST Pin

Hook Store Mode

VDD (HT9320A/H)

On-hook store

Floating (HT9320A)

Off-hook store

VSS (HT9320H)

Off-hook store

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