HM91710A/B
TONE/PULSE SWITCHABLE DIALER
HKS
KEY IN
XMUTE
PO
TONE
OSCO
3
2
t DB
t
ITP
t
ITP
3
t ITP
tTD
NORMAL DIALING
Figure 2: Tone Mode Timing Diagram
- - - - - - High impedance
HKS
KEY IN
XMUTE
PO
TONE
OSCO
3
2
t DB
t PDP t IDP
tM
t IDP
tB
3
t IDP
tM
NORMAL DIALING
Figure 3: Pulse Mode Timing Diagram
* This specification are subject to be changed without notice.
- - - - - - High impedance
1.7.2002 10