EM91810B EMC [ELAN Microelectronics Corp], EM91810B Datasheet - Page 10

• 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
TONE
OSCO
XMUTE
KEY IN
HKS
SDO
OSCO
TONE
PO
HKS
SDO
PO
3
3
t DB
t
t
PDP
t
B
DB
t
t
M
ITP
2
t
IDP
Figure 3: Pulse Mode Timing Diagram
Figure 2: Tone Mode Timing Diagram
2
NORMAL DIALING
t
NORMAL DIALING
t
ITP
IDP
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
3
3
t
TD
t
t
ITP
M
t
IDP
- - - - - - High impedance
- - - - - - High impedance
10.1.1997
EM91810A/B
10