FX663 Consumer Microcircuits Limited, FX663 Datasheet - Page 14

• Manufacturer Part Number: FX663
• Description: Call Progress Decoder
• Manufacturer: Consumer Microcircuits Limited

1.7.1
1999 Consumer Microcircuits Limited
D3
CSN
ENABLE
D0
D1
D2
IRQN
SIGIN
D3
CSN
Electrical Performance (continued)
ENABLE
D0
D1
D2
SIGIN
IRQN
Tri-state
Tri-state
"0"
"0"
t
t
DE
I
t
t
Figure 6 Timing Diagram: Special Information Tones
I
DE
No Signal Fax/Modem
"0"
"0"
"0"
No Signal Special
"0"
"0"
Figure 7 Timing Diagram: Fax/Modem Tones
Low Tone
t
t
Information
Tone
RP
RP
t
t
t
DI
t
L
DI
L
t
t
DRP
DRP
14
t
t
DI
DI
Fax/Modem
High Tone
Special
Information
Tone
t
t
IP
IP
t
t
GD
GD
Special
Information
Tone
t
Fax/Modem
High Tone
RP
t
RP
t
GI
t
GI
Special
Information
Tone
Fax/Modem
High Tone
t
HIZ
Tri-state
Tri-state
t
HIZ
D/663/3