U3761MB-T Datasheet, PDF (16/27 Pages) ATMEL Corporation – Universal Telephone IC - All Functions Integrated

Figure 9. Pause Function
HKS
KEY IN
DP
MUTE
MASK
MFO
OSC
Pulse-to-tone (*/T)
2
R/P
t_KID
t_PDP
3
t_P
t_IDP
t_PDP
Low
Oscillation
OFF HOOK , D1 , D2 , ..., Dn , */T , D1' , D2' , ..., Dn'
1. If the mode switch is set to pulse mode, then the output signal will be:
D1, D2, ..., Dn, Pause (3.6 s), D1', D2' ,..., Dn'
(Pulse)
(Tone)
2. If the mode switch is set to tone mode, then the output signal will be:
D1, D2, ..., Dn, * , D1', D2', ..., Dn'
(Tone)
(Tone)
(Tone)
3. The dialer remains in tone mode when the digits have been dialed out and can
be reset to pulse mode by going on-hook only.
4. ON/OFF-HOOK, R/P D1, D2, Dn dialed out, then further dialing out stops and
remains in pulse mode, when dialling from redial memory.
5. If characters are stored in Mn, Ln or N, dialing out will be the same in pulse mode
as point 1.
16 U3761MB-T
4744A–CORD–09/03