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CMX625P4 Datasheet(PDF) 22 Page - CML Microcircuits

Part # CMX625P4
Description  ISDN TA POTS Interface
PDF  34 Pages
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Manufacturer  CMLMICRO [CML Microcircuits]
Direct Link  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

CMX625P4 Datasheet(HTML) 22 Page - CML Microcircuits

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ISDN TA POTS Interface
CMX625
 2001 Consumer Microcircuits Limited
22
D/625/2
Example 2: Read the CMX625 DTMF RX DATA register, D3-D0=$A. Set IOM-2 address to SA2-SA0
=100 and device select, DS=0.
MX
(DD)
MR
(DU)
DD
(hex)
MX
(DU)
MR
(DD)
DU
(hex)
Comment
1
1
FF
1
1
FF
Monitor Channel Idle State
0
1
C0
1
1
FF
Transmit IOM-2 Address
0
0
C0
1
1
FF
Acknowledge Address
1
0
0B
1
1
FF
Transmit Command (Write IOM-2 Control, $B)
0
1
0B
1
1
FF
1
0
FF
0
1
CB
Acknowledge Command/ Send Address
1
1
FF
0
0
CB
Address Acknowledged
1
1
FF
1
0
0A
Send DTMF Read Data
1
1
FF
0
1
0A
1
1
FF
1
0
FF
Data Acknowledged
1
1
FF
1
1
FF
End of Transmission
1
1
FF
1
1
FF
Idle
1.5.16 Glossary
ADC
Analogue to Digital Converter
CIDCW
Caller Identification During Call Waiting
CODEC
Coder/Decoder
DAC
Digital to Analogue Converter
DTMF
Dual Tone Multiple Frequency
FSK
Frequency Shift Keying
GCI
General Circuit Interface
IOM-2
ISDN Oriented Modular revision 2
ISDN
Integrated Services Digital Network
ITU
International Telecommunication Union
NTU
Network Termination Unit
PC
Personal Computer
PCM
Pulse Code Modulation
POTS
Plain Old (Analogue) Telephone Service
SPM
Subscriber Pulse Metering
TA
Terminal Adaptor



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