U3761MB-T Datasheet, PDF (15/27 Pages) ATMEL Corporation – Universal Telephone IC - All Functions Integrated

Figure 7. DTMF Mode Auto Dialing (t < t_OHD)
HKS
KEY IN
t_KRD
R/P
t_KID
DTMF
t_TD
MUTE
MASK
DP
OSC
U3761MB-T
t < t_OHD
t_ITP
t_ITP
Low
High
Oscillation
Figure 8. DTMF Mode Auto Dialing (t > t_OHD)
HKS
KEY IN
t_KRD
R/P
t_KID
DTMF
t_TD
MUTE
t > t _OHD
t_ITP
MASK
DP
Low
High
OSC
Access Pause
Oscillation
OFF HOOK , D1 , D2 , R/P , D3 , ..., Dn'
1. The pause function can be stored in the memory.
2. The pause function is executed in normal dialing and redialing.
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4744A–CORD–09/03