W91331N Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W91331N

TONE/PULSE DIALER WITH HANDFREE LOCK AND KEY TONE FUNCTIONS

Winbond 

W91330N SERIES

FUNCTIONAL DESCRIPTION

Keyboard Operation

C1

C2

1

2

4

5

7

8

∗/T

0

R/P2 R

C3 C4

3

R1

6

F1 R2

9

F2 R3

# R/P1 R4

F3

F4 VX

• R: One-key redial function

• R/P1, R/P2: Redial and pause function key, P1 is 3.6 sec. and P2 is 2.0 sec.

• ∗/T: ∗ in tone mode and P→T in pulse mode

• F1, ..., F4: Flash keys, F1 = 600 mS, F2 = 100 mS, F3 = 300 mS, F4 = 73 mS

Notes: D1, ..., Dn, D1', ..., Dn': 0, ..., 9, */T, #

R/P: R/P1 or R/P2.

Fn: F1, ..., F4

Normal Dialing

OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn

1. D1, D2, ..., Dn will be dialed out.

2. Dialing length is unlimited, but redial is inhibited if length oversteps 32 digits in normal dialing.

Redialing

OFF HOOK (or ON HOOK & HFI ¡õ

), D1 , D2 , ..., Dn Busy,

Come ON HOOK , OFF HOOK (or ON HOOK & HFI ¡õ ), R/P

• The redial memory content will be dialed out.

• The R/P key can execute the redial function only as the first key-in after off-hook; otherwise, it

executes pause function.

• If redialing length oversteps 32 digits, the redialing function will be inhibited.

OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn Busy, R

• The one-key redialing function timing diagram is shown in Figure 4.

• If the dialing of D1 to Dn is finished, pressing the R key will cause the pulse output pin to

go low for 2.2 seconds break time and 0.6 seconds pause time will automatically be added.

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