CMX625 查看數據表（PDF） - CML Microsystems Plc
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CMX625 Datasheet PDF : 34 Pages
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ISDN TA POTS Interface
CMX625
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 MR
DD
MX MR
DU
Comment
(DD) (DU) (hex) (DU) (DD) (hex)
11
FF
1
1
FF Monitor Channel Idle State
01
C0
1
1
FF Transmit IOM-2 Address
00
C0
1
1
FF Acknowledge Address
10
0B
1
1
FF Transmit Command (Write IOM-2 Control, $B)
01
0B
1
1
FF
10
FF
0
1
CB Acknowledge Command/ Send Address
11
FF
0
0
CB Address Acknowledged
11
FF
1
0
0A Send DTMF Read Data
11
FF
0
1
0A
11
FF
1
0
FF Data Acknowledged
11
FF
1
1
FF End of Transmission
11
FF
1
1
FF Idle
1.5.16 Glossary
ADC
CIDCW
CODEC
DAC
DTMF
FSK
GCI
IOM-2
ISDN
ITU
NTU
PC
PCM
POTS
SPM
TA
Analogue to Digital Converter
Caller Identification During Call Waiting
Coder/Decoder
Digital to Analogue Converter
Dual Tone Multiple Frequency
Frequency Shift Keying
General Circuit Interface
ISDN Oriented Modular revision 2
Integrated Services Digital Network
International Telecommunication Union
Network Termination Unit
Personal Computer
Pulse Code Modulation
Plain Old (Analogue) Telephone Service
Subscriber Pulse Metering
Terminal Adaptor
2001 Consumer Microcircuits Limited
22
D/625/2
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