si2401 Silicon Laboratories, si2401 Datasheet - Page 42

• Manufacturer Part Number: si2401
• Description: V.22bis Isomodem With Integrated Global Daa
• Manufacturer: Silicon Laboratories

Si2401
Reset settings = 0000_0110 (0x06)
42
S07 (MF1). Modem Functions 1
*Note: See Table 9 on page 13 for proper setting of modem protocols.
Bit
7
6
5
4
3
2
1
0
Name
Type
Bit
Reserved
Reserved
CCITT
Name
BAUD
V23R
V23T
FSK
BD
D7
Read returns zero.
Blind Dialing.
0 = Disable.
1 = Enable (Blind dialing occurs immediately after “ATDT#” command).
V.23 Receive.*
V.23 75 bps send/600 (BAUD = 0) or 1200 (BAUD = 1) bps receive.
0 = Disable.
1 = Enable.
V.23 Transmit.*
V.23 600 (BAUD = 0) or 1200 (BAUD = 1) bps send/75 bps receive.
0 = Disable.
1 = Enable.
Read returns zero.
2400/1200 Baud Select.*
2400/1200 baud select (V23R = 0 and V23T = 0).
0 = 1200
1 = 2400
600/1200 baud select (V23R = 1 and V23T = 1).
0 = 600
1 = 1200
CCITT/Bell Mode.*
0 = Bell.
1 = CCITT.
300 bps FSK.*
0 = Disable.
1 = Enable.
R/W
BD
D6
V23R
R/W
D5
V23T
R/W
Rev. 1.0
D4
Function
D3
BAUD
R/W
D2
CCITT
R/W
D1
FSK
R/W
D0