EM91710 EMC [ELAN Microelectronics Corp], EM91710 Datasheet - Page 6

• Manufacturer Part Number: EM91710
• Description: TONE/PULSE SWITCHABLE DIALER
• Manufacturer: EMC [ELAN Microelectronics Corp]

Operating flow chart of Handfree
* This specification are subject to be changed without notice.
(0) INITIAL STATE
(1) ON HKS HF LINE
(2) OFF HKS LINE
(3) OFF HKS HF LINE
ON HKS
HF LINE
HF
* F : Floating (Hi-impedance)
(1)
STATE NO.
ON
OFF
HF
PO
ON HKS
INITIAL (0)
F
F
F
F
OFF HKS
HF LINE
XMUTE
F
F
F
F
(3)
OFF
HF
HFO
0
1
0
1
HF
TONE/PULSE SWITCHABLE DIALER
OFF HKS
LINE
ON
(2)
* Note :
ON : ON HKS
OFF : OFF HKS
HF : Pressed HF key
9.30.1997
EM91710A/B
6