MAS9191AJ MAS [Micro Analog systems], MAS9191AJ Datasheet - Page 26
MAS9191AJ
Manufacturer Part Number
MAS9191AJ
Description
Single Chip AMPS/ETACS/NAMPS Audio/Data Processor
Manufacturer
MAS [Micro Analog systems]
Datasheet
1.MAS9191AJ.pdf
(36 pages)
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The register value for other frequencies may be calculated with the formula: LG[5:0] = (f
FUNCTIONS
The register value for other frequencies may be calculated with the formula: HG[7:0] = (f
Register 06
Register 07
7-0
Bit
Bit
0
1
2
3
4
5
6
7
Name
HIGHF[7:0]
Name
DTMFTP
DTMFRP
AUDIOP
TXSIP
RXSIP
XPDDAC1
XPDDAC2
XPDDAC3
HEX
HEX
(write only)
(write only)
00000000
01000010
01001001
01010001
01011001
00H-FFH
State
State
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Function
Function
DTMF transmitter in power down
DTMF transmitter active
DTMF receiver in power down
DTMF receiver active
AUDIO in power down
AUDIO active
Digital TX section in power down
Digital TX section active
Digital RX section in power down
Digital RX section active
DAC1 in power down
DAC1 active
DAC2 in power down
DAC2 active
DAC3 in power down
DAC3 active
No signal
1209 Hz
1336 Hz
1477 Hz
1633 Hz
Nominal
Transmitted high frequency DTMF tone
OUT
OUT
Real frequency
* 2
1208.5 Hz
1336.7 Hz
1483.2 Hz
1629.6 Hz
* 2
No signal
17
17
) / 2.4MHz.
) / 2.4MHz.
DA9191A.000
July 31, 1997
26
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