73K222AL 查看數據表（PDF） - Teridian Semiconductor Corporation
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73K222AL Datasheet PDF : 27 Pages
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REGISTER ADDRESS TABLE
73K222AL
V.22, V.21, Bell 212A, 103
Single-Chip Modem
DATA SHEET
ADDRESS
DATA BIT NUMBER
REGISTER
AD2 - AD0
D7
D6
D5
D4
D3
D2
D1
D0
CONTROL
REGISTER
0
CR0
000
MODULATION
OPTION
0
TRANSMIT
MODE
3
TRANSMIT
MODE
2
TRANSMIT
MODE
1
TRANSMIT
MODE
0
TRANSMIT
ENABLE
ORIGINATE/
ANSWER
CONTROL
REGISTER CR1
001
1
DETECT
REGISTER
DR
010
TONE
CONTROL
TR
011
REGISTER
ID
REGISTER
10
110
00XX = 73K212AL, 322L, 321L
01XX = 73K221AL, 302L
10XX= 73K222AL, 222BL
1100 = 73K224L
1110 = 73K324L
1111 = 73K224BL
1101 = 73K324BL
0 = 1200 BIT/S DPSK
1 = 600 BIT/S DPSK
0 = BELL 103 FSK
1 = V.21 FSK
TRANSMIT
PATTERN
1
TRANSMIT
PATTERN
0
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
ENABLE
DETECT
INTERRUPT
BYPASS
SCRAMBLER
CLK
CONTROL
0 = DISABLE 0 = ANSWER
TXA OUTPUT 1 = ORIGINATE
1 = ENABLE
TXA OUTPUT
RESET
TEST
MODE
1
TEST
MODE
0
00 = TX DATA
01 = TX ALTERNATE
10 = TX MARK
11 = TX SPACE
0 = DISABLE
1 = ENABLE
0 = NORMAL
1 = BYPASS
SCRAMBLER
0 = XTAL
0 = NORMAL
1 = 16 X DATA 1 = RESET
RATE OUTPUT
AT CLK PIN IN
DPSK MODE
ONLY
00 = NORMAL
01 = ANALOG LOOPBACK
10 = REMOTE DIGITAL
LOOPBACK
11 = LOCAL DIGITAL
LOOPBACK
X
X
RECEIVE
DATA
UNSCR.
MARKS
CARRIER
DETECT
ANSWER
TONE
CALL
PROGRESS
LONG
LOOP
OUTPUTS
RECEIVED
DATA STREAM
RXD
OUTPUT
CONTROL
TRANSMIT
GUARD/
TONE
TRANSMIT
ANSWER
TONE
TRANSMIT
DTMF
RXD PIN
0 = NORMAL
1 = TRI STATE
0 = OFF
1 = ON
0 = OFF
1 = ON
0 = DATA
1 = TX DTMF
0 = CONDITION NOT DETECTED
1 = CONDITION DETECTED
DTMF3
DTMF2
DTMF1/
OVERSPEED
DTMF0/
GUARD/
ANSWER/
TONE
4 BIT CODE FOR 1 OF 16
DUAL TONE COMBINATIONS
0 = 2225 Hz A.T.
1800 Hz G.T.
1 = 2100 Hz A.T.
500 Hz G.T.
ID
ID
ID
ID
X
X
X
X
X = Undefined, mask in software
Page: 8 of 27
© 2007 TERIDIAN Semiconductor Corporation
Rev 6.1
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