參數(shù)資料
型號(hào)： SI2400-FS
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 41/94頁(yè)
文件大?。?/td> 0K
描述： IC ISOMODEM SYST-SIDE DAA 16SOIC
標(biāo)準(zhǔn)包裝： 48
系列： ISOmodem®
數(shù)據(jù)格式： V.21，V.22，V.23，Bell 103，Bell 212A
波特率： 2.4k
電源電壓： 3 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC N
包裝： 管件
配用： 336-1166-ND - BOARD EVAL FOR SI2400 ISOMODEM
Si2400
46
Rev. 1.3
S30
0x30
FCDH
FSK connection delay high. Amount of time delay added
between end of answer tone handshake and actual modem con-
nection for FSK modem connections (256 5/3 ms units).
0x00
S31
0x31
RATL
Receive answer tone length. Minimum length of time required
for detection of a CCITT answer tone (5/3 ms units).
0x3C
S32
0x32
OCDT
The time after going off hook when the loop current sense bits
are checked for overcurrent status (5/3 ms units).
0x0C
S33
0x33
MDMO
This is a bit mapped register.1
0x80
S34
0x34
TASL
Answer tone length when answering a call (5/3 ms units). This
register is only used if TATL (1E) has a value of zero.
0x5A
S35
0x35
RSOL
Receive scrambled ones V.22 length (5/3 ms units). Minimum
length of time that an originating V.22 (1200 bps) modem must
detect 1200 bps scrambled ones during a V.22 handshake.
0xA2
S36
0x36
SKDTL
Second kissoff tone detector length. The security modes A1 and
!1 will echo a “k” if a kissoff tone longer than the value stored in
SKDTL is detected (10 ms units.) In the !7 security mode, this
register represents a bit-mapped register.
0x30
S37
0x37
CDR
Carrier detect return. Minimum length of time that a carrier must
return and be detected in order to be recognized after a carrier
loss is detected
(5/3 ms units).
0x20
S38
0x38
ARM2
This is a bit-mapped register.1
0x38
S39
0x39
CDT
Carrier detect timeout. Amount of time modem will wait for carrier
detect before aborting call (1 second units). In the !7 alarm
mode, this register functions as Handshake Tone Timeout, which
defines how long the Si2400 waits for a handshake prior to send-
ing the “N” result code.
0x3C
S3A
0x3A
ATD
Delay between going off-hook and answer tone generation when
in answer mode (53.33 ms units).
0x29
S3B
0x3B
RP
Minimum number of consecutive ring pulses per ring burst.
0x03
S3C
0x3C
CIDG
This is a bit mapped register.1
0x04
S62
0x62
RC
This is a bit mapped register.1
0x00
S82
0x82
IST
This is a bit mapped register.1
0x00
S83
0x83
DCID
DTMF caller ID initialization.
—
SD1
0xD1
INTS
Intrusion state.
0x00
SDB
0xDB
LVCS
Loop voltage (on-hook)/loop current (off-hook) register
0x00
Table 27. S-Register Summary (Continued)
“S”
Register
Address
(hex)
Name
Function
Reset
Notes:
1. These registers are explained in detail in the following section.
2. The ring detector will only detect ringing if the ring burst on/off times meet the settings in MNRP, MXRP, MNRU, ROT,
and REP.
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