EM91810B EMC [ELAN Microelectronics Corp], EM91810B Datasheet - Page 11

• Manufacturer Part Number: EM91810B
• Description: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
• Manufacturer: EMC [ELAN Microelectronics Corp]

* This specification are subject to be changed without notice.
XMUTE
KEY IN
OSCO
SDO
TONE
HKS
PO
XMUTE
KEY IN
OSCO
TONE
SDO
HKS
Figure 4: Timing Waveform for mixed dialing Operation (by P T key entry)
PO
1
t DB
t
ITP
3
t
PDP
t DB
Figure 5: Tone Mode Redial Timing Diagram
t
IDP
2
2
t
ITP
t
IDP
TONE/PULES SWITCHABLE DIALER WITH LCD INTERFACE
AUTO DIALING
P->T
T
3
pt
RD
t
D
- - - - - - High impedance
- - - - - - High impedance
t
ITP
t
ITP
t
ITP
10.1.1997
EM91810A/B
11