V-Tec AT16/C5 Spezifikationen Seite 51

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Si2400
Rev. 1.3 51
Reset settings = 0000_0000
b
(0x00)
S0C (MF2). Modem Functions 2
BitD7D6D5D4D3D2D1D0
Name
CDE CIDM 9BF BDL MLB MCH
Type R/W R/W R/W R/W R/W R/W
Bit Name Function
7
CDE
Carrier Detect Enable.
0
= Disable.
1 = Enable GPI02 as an active low carrier detect pin (must also set SE2[3:2]
[GPIO2] = 01
b
).
6:5 CIDM
Caller ID Monitor.
00 = Caller ID monitor disabled (Normal caller ID operation).
01 = Caller ID monitor enabled. Si2400 must detect channel seizure signal followed by
marks in order to report caller ID data.
10 = Caller ID monitor enabled. Si2400 must detect a DTMF A or D followed by marks in
order to report caller ID data.
11 = Caller ID monitor enabled. Si2400 must only detect marks in order to report caller ID
data.
4 Reserved Read returns zero.
39BF
Ninth Bit Function.
Only valid if the ninth bit escape is set S15[0] (NBE).
0 = Ninth bit equivalent to ALERT.
1 = Ninth bit equivalent to HDLC EOFR.
2BDL
Blind Dialing.
0 = Blind dialing disabled.
1 = Enables blind dialing after dial timeout register S02 (CW) expires.
1MLB
Modem Loopback.
0 = Not swapped.
1 = Swaps frequency bands in modem algorithm to do a loopback in a test mode.
0MCH
Miscellaneous Characters.
0 = Disables “.” and “/” character echoing.
1 = Enables “.” and “/” character echoing to indicate tone on and tone off for !7 operation.
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