73k222al ETC-unknow, 73k222al Datasheet - Page 8

• Manufacturer Part Number: 73k222al
• Description: V.22, V.21, Bell 212a, Single-chip Modem
• Manufacturer: ETC-unknow

73K222AL
V.22, V.21, Bell 212A, 103
Single-Chip
REGISTER ADDRESS TABLE
00XX = 73K212AL, 322L, 321L
01XX = 73K221AL, 302L
10XX = 73K222AL, 222BL
1100 = 73K224L
1110 = 73K324L
1111 = 73K224BL
1101 = 73K324BL
REGISTER
REGISTER
CONTROL
REGISTER
REGISTER
REGISTER
REGISTER
CONTROL
CONTROL
DETECT
TONE
ID
0
1
CR0
CR1
DR
TR
10
AD2 - AD0
ADDRESS
000
001
010
011
110
MODULATION
RXD PIN
0 = NORMAL
1 = TRI STATE
X = Undefined, mask in software
0 = 1200 BIT/S DPSK
1 = 600 BIT/S DPSK
0 = BELL 103 FSK
1 = V.21 FSK
TRANSMIT
CONTROL
PATTERN
OUTPUT
OPTION
RXD
D7
ID
X
1
00 = TX DATA
01 = TX ALTERNATE
10 = TX MARK
11 = TX SPACE
TRANSMIT
TRANSMIT
PATTERN
GUARD/
0 = OFF
1 = ON
TONE
D6
X
ID
0
0
0 = DISABLE
1 = ENABLE
OUTPUTS
RECEIVED
DATA STREAM
INTERRUPT
TRANSMIT
TRANSMIT
ANSWER
0 = OFF
1 = ON
RECEIVE
ENABLE
DETECT
TONE
MODE
DATA
D5
ID
3
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
SCRAMBLER
0 = DATA
1 = TX DTMF
SCRAMBLER
TRANSMIT
8
TRANSMIT
BYPASS
UNSCR.
MARKS
MODE
DTMF
D4
DATA BIT NUMBER
ID
2
0 = XTAL
1 = 16 X DATA
RATE OUTPUT
AT CLK PIN IN
DPSK MODE
ONLY
TRANSMIT
CONTROL
CARRIER
DETECT
DTMF3
MODE
CLK
D3
X
1
0 = CONDITION NOT DETECTED
1 = CONDITION DETECTED
4 BIT CODE FOR 1 OF 16
DUAL TONE COMBINATIONS
0 = NORMAL
1 = RESET
TRANSMIT
ANSWER
DTMF2
RESET
MODE
TONE
D2
X
0
0 = DISABLE
1 = ENABLE
OVERSPEED
TRANSMIT
PROGRESS
TXA OUTPUT
TXA OUTPUT
ENABLE
DTMF1/
MODE
TEST
CALL
D1
00 = NORMAL
01 = ANALOG LOOPBACK
10 = REMOTE DIGITAL
11 = LOCAL DIGITAL
X
1
LOOPBACK
LOOPBACK
0 = 2225 Hz A.T.
1 = 2100 Hz A.T.
0 = ANSWER
1 = ORIGINATE
ORIGINATE/
ANSWER/
ANSWER
1800 Hz G.T.
500 Hz G.T.
GUARD/
DTMF0/
MODE
TEST
LONG
LOOP
TONE
D0
0
X