FX613 Consumer Microcircuits Limited, FX613 Datasheet - Page 3

• Manufacturer Part Number: FX613
• Description: Universal Call Progress Decoder
• Manufacturer: Consumer Microcircuits Limited

Application Information
Notes
Fig.2 External Component Connections
Fig.3 HI/LO Decode Bands
(1) The Xtal/Clock input may be driven from the host telephone
(2) The audio signal should be input to both Signal In and Level In pins
system's 3.579545MHz clock; if a Xtal drive is required, the
configuration shown
via separate coupling capacitors. If it is wished to operate the
device with disregard to on-chip level thresholds and permanently
enable the FX613, the Level In pin should be held at V
To disable the FX613 the Level In pin should be held at V
thresholds are preset internally.
V
-10
-20
-30
-40
-50
C
DD
X
0
5
1
C
AUDIO SIGNAL
0
3
775mVrms
R
C
Must
Decode
Must-Not
Decode
2
6
V
SS
200
1
2
INSET
is recommended.
400
Low Band
C
C
2
1
(LO)
C
XTAL/CLOCK
4
V
SIGNAL IN
SS
LEVEL IN
600
V
SS
XTAL
V
BIAS
800
1
2
3
4
5
6
7
8
SS
. Level
1000
FX613DW
DD
.
V
V
3
DD
SS
1200
16
13
15
14
12
10
11
9
Component
1400
High Band
R
R
C
C
C
C
C
C
X
Tolerances: C = ± 20% R = ± 10%
1
2
1
2
3
4
5
6
1
(HI)
DATA OUT
CHIP SELECT
SERIAL CLOCK INPUT
IRQ
1600
V
DD
Frequency (Hz)
1800
3.579545MHz
2000
22.0k
0.01µF
33.0pF
33.0pF
1.0M
Value
0.1µF
1.0µF
1.0µF
R
1
2200