73k322l ETC-unknow, 73k322l Datasheet - Page 8

• Manufacturer Part Number: 73k322l
• Description: Ccitt V.23, V.22, V.21 Single-chip Modem
• Manufacturer: ETC-unknow

CCITT V.23, V.22, V.21
Single-Chip Modem
REGISTER ADDRESS TABLE
00XX=73K212AL, 322L, 321L
01XX=73K221AL, 302L
10XX=73K222AL, 222BL
1100=73K224L
1110=73K324L
1100=73K224BL
1110=73K324BL
REGISTER
CONTROL
REGISTER
CONTROL
REGISTER
REGISTER
CONTROL
REGISTER
DETECT
TONE
REGISTER
ID
0
1
CR0
CR1
DR
TR
10
AD2 - AD0
ADDRESS
001
010
000
011
110
MODULATION
0=1200 BIT/S DPSK
1=600 BIT/S DPSK
0=V.23 FSK
1=V.21 FSK
RXD PIN
0=NORMAL
1=TRI STATE
TRANSMIT
CONTROL
PATTERN
OUTPUT
OPTION
RXD
D7
1
ID
00=TX DATA
01=TX ALTERNATE
10=TX MARK
11=TX SPACE
TRANSMIT
TRANSMIT
PATTERN
CALLING
GUARD/
0=OFF
1=ON
TONE
D6
0
ID
OUTPUTS
RECEIVED
DATA STREAM
INTERRUPT
0=DISABLE
1=ENABLE
TRANSMIT
TRANSMIT
ANSWER
ENABLE
RECEIVE
DETECT
0=OFF
1=ON
MODE
DATA
TONE
D5
3
ID
0000=PWR DOWN
0001=INT SYNCH
0010=EXT SYNCH
0011=SLAVE SYNCH
0100=ASYNCH 8 BITS/CHAR
0101=ASYNCH 9 BITS/CHAR
0110=ASYNCH 10 BITS/CHAR
0111=ASYNCH 11 BITS/CHAR
1100=FSK
0=NORMAL
1=BYPASS
1=ADD EXTRA
SCRAMBLER/
0=DATA
1=TX DTMF
ADD PH. EQ.
TRANSMIT
TRANSMIT
SCRAMBLER
PHASE EQ.
IN V.23 ONLY
8
BYPASS
UNSCR.
DETECT
MODE
DTMF
MARK
DATA BIT NUMBER
D4
2
ID
0=XTAL
1=16 X DATA
RATE OUTPUT
AT CLK PIN IN
DPSK MODE
ONLY
TRANSMIT
CONTROL
CARRIER
DETECT
DTMF3
MODE
CLK
D3
1
4 BIT CODE FOR 1 OF 16
DUAL TONE COMBINATIONS.
0=NORMAL
1=ALLOWS V.23 FULL
DUPLEX OPERATION
0=NORMAL
1=RESET
TRANSMIT
0=CONDITION NOT DETECTED
1=CONDITION DETECTED
SPECIAL
V.23 FDX
RESET
DTMF2
MODE
TONE
D2
0
0=DISABLE
1=ENABLE
OVERSPEED
PROGRESS
TRANSMIT
TXA OUTPUT
TXA OUTPUT
ENABLE
DTMF1/
CALL
MODE
TEST
D1
00=NORMAL
01=ANALOG LOOPBACK
10=REMOTE DIGITAL
11=LOCAL DIGITAL
1
LOOPBACK
LOOPBACK
0=1800 Hz G.T. (V.22).
1=550 Hz G.T. (V.22)
DTMF0/GUARD/
IN V.21 OR V.22 MODE:
0=ANSWER
1=ORIGINATE
IN V.23 MODE :
0=RECEIVE @ 1200 BIT/S,
TRANSMIT @ 75 BIT/S
1=RECEIVE @ 75 BIT/S,
TRANSMIT @ 1200 BIT/S
ORIGINATE/
2225 Hz ANS TONE
GENERATED, FSK
MARK DETECT
SELECTED
2100 Hz ANS TONE
GENERATED &
DETECTED (V.21, V.22)
1300 Hz DETECTED (V.23)
ANSWER
ANSWER/
SPECIAL
MODE
LOOP
LONG
TONE
TEST
D0
0