73K324BL
CCITT V.22bis,V.23,V.22,V.21, Bell 212A
Single-Chip Modem w/ Integrated Hybrid
DATA SHEET
REGISTER ADDRESS TABLE
ADDRESS
DATA BIT NUMBER
REGISTER
AD2 - AD0
D7
D6
D5
D4
D3
D2
D1
D0
CONTROL
REGISTER
0
MODULATION MODULATION
TRANSMIT
MODE
2
TRANSMIT
MODE
1
TRANSMIT
MODE
0
MODULATION
OPTION
TRANSMIT
ENABLE
ANSWER/
CR0
000
TYPE
1
TYPE
0
ORIGINATE
QAM: 0 = 2400 BIT/S
DPSK: 0=1200 BIT/S
1 = 600 BIT/S
FSK: 0 = V.23
1 = V.21
10=QA,
00=DPSK
01=FSK
In V.21, V.22, V.22bis
0=ANSWER
0000 = PWR DOWN
0 = DISABLE
TXA OUTPUT
1 = ENABLE
TXA OUTPUT
0001 = INT SYNCH
0010 = EXT SYNCH
0011 = SLAVE SYNCH
1=ORIGINATE
In V.23:
0=BC XMIT
1=MC XMIT
0100 = ASYNCH 8 BITS/CHAR
0101 = ASYNCH 9 BITS/CHAR
0110 = ASYNCH 10 BITS/CHAR
0111 = ASYNCH 11 BITS/CHAR
1X00 = FSK
TRANSMIT
TRANSMIT
PATTERN
0
ENABLE
TEST
MODE
1
TEST
MODE
0
CONTROL
REGISTER
1
BYPASS
CLK
001
PATTERN
1
DETECT
RESET
CR1
SCRAMBLER
CONTROL
INTERRUPT
00 = TX DATA
0 = DISABLE
1 = ENABLE
0 = NORMAL
1 = BYPASS
0 = XTAL
0 = NORMAL
1 = RESET
00 = NORMAL
01 = TX ALTERNATE
10 = TX MARK
1 = 16 X DATA
01 = ANALOG LOOPBACK
10 = REMOTE DIGITAL
LOOPBACK
SCRAMBLER RATE OUTPUT
AT CLK PIN IN
11 = TX SPACE
QAM/DPSK MODE
ONLY
11 = LOCAL DIGITAL
LOOPBACK
RECEIVE
LEVEL
S1
CP
ANSWER
TONE
SIGNAL
QUALITY
UNSCR.
DETECT
RECEIVE
DATA
CARRIER
PATTERN
DETECT
TONE
DR
010
011
MARKS
DETECT
REGISTER
READ ONLY
INDICATOR
DETECT
DETECT
INDICATOR
DETECT
0=SIGNAL
0=NOT PRESENT OUTPUTS
1=PATTERN
FOUND
0 = CONDITION NOT DETECTED
1 = CONDITION DETECTED
0=GOOD
1=BAD
BELOW
RECEIVED
DATA STREAM
THRESHOLD
1=ABOVE
THRESHOLD
DTMF0/
GUARD/
RXD
TRANSMIT
GUARD/
TONE
TRANSMIT
ANSWER
TONE
DTMF1/
TONE
DTMF2/
DTMF3
TRANSMIT
DTMF
OUTPUT
CONTROL
TR
EXTENDED
OVERSPEED
CONTROL
REGISTER
4W/FDX
ANSWER/
CALLING/SCT
0 = DATA
CARRIER
1=TX DTMF
RXD PIN
0 = NORMAL
1 = OPEN
0 = OFF
1 = ON
4 BIT CODE FOR 1 OF 16
DUAL TONE COMBINATIONS
0 = OFF
1 = ON
GUARD: 0-1800 Hz
1-550 Hz
ANSWER: 0-2225 Hz
1-2100 Hz
CALLING: 0-1300 Hz
SCT:
1-900 Hz
SPECIAL
REGISTER
ACCESS
CONTROL
REGISTER
2
TRAIN
EQUALIZER
CALL
RESET
DSP
TRANSMIT
S1
16 WAY
CR2
100
0
INHIBIT
ENABLE
INTIALIZE
0=ACCESS CR3 0=DSP IN
0=NORMAL
DOTTING
1=S1
0=RX=TX
1=RX=16WAY
0=DSP
INACTIVE
0=ADAPT EQ
ACTIVE
1=ADAPT EQ
FROZEN
0=ADAPT EQ
IN INIT
1=ADAPT EQ
OK TO ADAPT
1=ACCESS
SPECIAL
DEMOD MODE
1=DSP IN CALL
PROGRESS
MODE
1=DSP
REGISTER
ACTIVE
TRANSMIT
ATTEN.
1
RECEIVE
GAIN
TRANSMIT
ATTEN.
3
TRANSMIT
ATTEN.
2
TRANSMIT
ATTEN.
0
CONTROL
REGISTER
3
TRISTATE
TX/RXCLK
OH
CR3
101
TXDALT
BOOST
ALTERNATE
TRANSMIT
DATA
0=NORMAL
1=TRISTATE
0=OH RELAY
0=NO BOOST
0000-1111,SETS
DRIVER OPEN 1=18 dB BOOST
TRANSMIT ATTENUATOR
16 dB RANGE
1=OH OPEN
DRAIN
DRIVER PULLING
LOW
SOURCE
DEFAULT=0100 -10 dBm0
SQ
SQ
TXD
TX BAUD
CLOCK
SPECIAL
RX UNSCR.
0
0
SR
101
110
0
SELECT 0
SELECT 1
SOURCE
REGISTER
DATA
OUTPUTS
TXBAUD
CLOCK
OUTPUTS
UNSCR.
DATA
0=TXD PIN
1=TXALT BIT
-5
-6
-4
-3
00 10
01 10
10 10
11 10
BER
BER
BER
BER
ID
10
1
1
1
0
X
X
X
X
REGISTER
READ ONLY
00XX=73K212AL, 322L, 321L
01XX=73K221AL, 302L
10XX=73K222AL, 222BL
1100=73K224L
0 = Only write zeros to these locations
X = Undefined, mask in software
1110=73K324L
1100=73K224BL
1110=73K324BL
Page: 10 of 34
© 2005 TERIDIAN Semiconductor Corporation
Rev 6.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
