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參數(shù)資料
| 型號(hào)： | SI2400-BS |
| 廠商： | Silicon Laboratories Inc |
| 文件頁(yè)數(shù)： | 39/94頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ISOMODEM SYSTEM-SIDE 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 |
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Si2400
44
Rev. 1.3
S17
0x17
BTOF
Busy tone off. Time that the busy tone must be off (10 ms units)
for busy tone detector.
0x32
S18
0x18
BTOD
Busy tone delta. Detector Time Delta (10 ms). A busy tone is
detected to be valid if (BTON – BTOD < on time < BTON +
BTOD) and (BTOF – BTOD < off time < BTOF + BTOD).
0x0F
S19
0x19
RTON
Ringback tone on. Time that the ringback tone must be on
(53.333 ms units) for ringback tone detector.
0x26
S1A
0x1A
RTOF
Ringback tone off. Time that the ringback tone must be off
(53.333 ms units) for ringback tone detector.
0x4B
S1B
0x1B
RTOD
Detector time delta (53.333 ms units). A ringback tone is deter-
mined to be valid if (RTON – RTOD < on time < RTON + RTOD)
and (RTOF – RTOD < off time < RTOF + RTOD).
0x07
S1C
0x1C
DTT
Dial tone detect time. The time that the dial tone must be valid
before being detected
(10 ms units).
0x0A
S1D
0x1D
DTMFD
DTMF detect time. The time that a DTMF tone must be valid
before being detected (10 ms units).
0x03
S1E
0x1E
TATL
Transmit answer tone length. Answer tone length in seconds
when answering a call (1 second units).
0x03
S1F
0x1F
ATTD
Answer tone to transmit delay. Delay between answer tone end
and transmit data start (5/3 ms units). In the !7 mode, this is a bit-
mapped register.
0x2D
S20
0x20
UNL
Unscrambled ones length. Minimum length of time required for
detection of unscrambled binary ones during V.22 handshaking
by a calling modem (5/3 ms units).
0x5D
S21
0x21
TSOD
Transmit scrambled ones delay. Time between unscrambled
binary one detection and scrambled binary one transmission by
a call mode V.22 modem (53.3 ms units).
0x09
S22
0x22
TSOL
Transmit scrambled ones length. Length of time scrambled ones
are sent by a call mode V.22 modem (5/3 ms units).
0xA2
S23
0x23
VDDL
V.22 data delay low. Delay between handshake complete and
data connection for a V.22 call mode modem (5/3 ms units added
to the time specified by VDDH).
0xCB
S24
0x24
VDDH
V.22 data delay high. Delay between handshake complete and
data connection for a V.22 call mode modem (256 5/3 ms units
added to the time specified by VDDL).
0x08
S25
0x25
SPTL
S1 pattern time length. Amount of time the unscrambled S1 pat-
tern is sent by a call mode V.22bis modem (5/3 ms units).
0x3C
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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