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73K224L-IP Datasheet(PDF) 7 Page - TDK Electronics |
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73K224L-IP Datasheet(HTML) 7 Page - TDK Electronics |
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7 / 32 page  73K224L V.22bis/V.22/V.21/Bell 212A/Bell 103 Single-Chip Modem 7 REGISTER ADDRESS TABLE 00=NORMAL 01=ANALOG LOOPBACK 10=REMOTE DIGITAL LOOPBACK 11=LOCAL DIGITAL LOOPBACK CONTROL REGISTER 0 000 TRANSMIT MODE 2 TRANSMIT MODE 1 TRANSMIT ENABLE ANSWER/ ORIGINATE DATA BIT NUMBER AD2 - AD0 REGISTER ADDRESS D7 D6 D5 D4 D3 D2 D1 D0 TEST MODE 0 TEST MODE 1 RESET CLK CONTROL BYPASS SCRAMBLER ENABLE DETECT INTERRUPT TRANSMIT PATTERN 0 TRANSMIT PATTERN 1 001 CONTROL REGISTER 1 CR1 SIGNAL QUALITY INDICATOR CP TONE DETECT ANSWER TONE DETECT CARRIER DETECT UNSCR. MARKS DETECT RECEIVE DATA 010 DETECT REGISTER DR TRANSMIT MODE 0 0000=PWR DOWN 0001=INT SYNCH 0010=EXT SYNCH 0011=SLAVE SYNCH 0100=ASYCH 8 BITS/CHAR 0101=ASYCH 9 BITS/CHAR 0110=ASYCH 10 BITS/CHAR 0111=ASYCH 11 BITS/CHAR 1X00=FSK 0=DISABLE TXA OUTPUT 1=ENABLE TXA OUTPUT 0=ANSWER 1=ORIGINATE 00=TX DATA 01=TX ALTERNATE 10=TX MARK 11=TX SPACE 0=DISABLE 1=ENABLE 0=NORMAL 1=BYPASS SCRAMBLER 0=XTAL 1=16 X DATA RATE OUTPUT AT CLK PIN IN QAM/DPSK MODE ONLY 0=NORMAL 1=RESET OUTPUTS RECEIVED DATA STREAM 0=CONDITION NOT DETECTED 1=CONDITION DETECTED CR0 MODULATION OPTION 0=2400 BIT/S 0=1200 BIT/S 1=600 BIT/S 0=103 MODE 1=V.21 MODULATION TYPE 1 MODULATION TYPE 0 10=QAM 00=DPSK 01=FSK RECEIVE LEVEL INDICATOR S1 PATTERN DETECT 0=SIGNAL BELOW THRESHOLD 1=ABOVE THRESHOLD 0=GOOD 1=BAD DTMF0/ GUARD/ ANSWER/ CALLING/SCT DTMF1/ EXTENDED OVERSPEED DTMF2/ 4 W/FDX DTMF3 TRANSMIT DTMF TRANSMIT ANSWER TONE RXD OUTPUT CONTROL 011 TONE CONTROL REGISTER TR RXD PIN 0=NORMAL 1=OPEN 0=OFF 1=ON 0=DATA 1=TX DTMF 4 BIT CODE FOR 1 OF 16 DUAL TONE COMBINATIONS TRANSMIT GUARD TONE 0=OFF 1=ON EQUALIZER ENABLE TRAIN INHIBIT RESET DSP 16 WAY TRANSMIT S1 CALL INITIALIZE 100 CONTROL REGISTER 2 CR2 0=DSP IN DEMOD MODE 1=DSP IN CALL PROGRESS MODE 0=NORMAL DOTTING 1=S1 TRANSMIT ATTEN. 0 RECEIVE GAIN BOOST 101 CONTROL REGISTER 3 CR3 0=NO BOOST 1=18 dB BOOST 0000-1111, SETS TRANSMIT ATTENUATOR 16 dB RANGE DEFAULT=0100 ³ -10 dbM0 0=RX=TX 1=RX=16 WAY 0=DSP INACTIVE 1=DSP ACTIVE 0=ADAPT EQ ACTIVE 1=ADAPT EQ FROZEN 0=ADAPT EQ IN INIT 1=ADAPT EQ OK TO ADAPT TRANSMIT ATTEN. 2 TRANSMIT ATTEN. 1 TRANSMIT ATTEN. 3 QAM: DPSK: FSK: 0=NOT PRESENT 1=PATTERN FOUND SPECIAL REGISTER ACCESS 0=ACCESS CR3 1=ACCESS SPECIAL REGISTER TXDALT TRISTATE TX/RXCLK 0=NORMAL 1=TRISTATE SPECIAL REGISTER 101 TX BAUD CLOCK RX UNSCR. DATA TXD SOURCE SQ SELECT1 SQ SELECT0 OUTPUTS TXBAUD CLOCK OUTPUTS UNSCR. DATA 0=TXD PIN 1=TXALT BIT 00³10 BER -5 01³10 BER -6 10³10 BER -4 11³10 BER -3 ALTERNATE TRANSMIT DATA SOURCE SR 0 0 0=1800 Hz G.T. 2225 Hz ANS TONE GENERATED 1= 550 Hz G.T. 2100 Hz ANS TONE GENERATED & DETECTED (V.21, V.22) 00XX=73K212AL, 322L, 321L 01XX=73K221AL, 302L 10XX=73K222AL, 222BL 1100=73K224L 1110=73K324L 1100=73K224BL 1110=73K324BL ID REGISTER 10 110 ID ID ID ID 0 0 0 X X X X |
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