參數(shù)資料
型號(hào)： SI2401FS10-EVB
廠商： Silicon Laboratories Inc
文件頁數(shù)： 7/76頁
文件大?。?/td> 0K
描述： BOARD EVAL SI2401 UART INTERFACE
標(biāo)準(zhǔn)包裝： 1
系列： ISOmodem®
主要目的： 電信，調(diào)制解調(diào)器
嵌入式： 否
已用 IC / 零件： SI2401
主要屬性： 雙路 RJ-11 連接至電話線路，音頻連接器
次要屬性： RS-232，TTL 串行和 USB 接口
已供物品： 板，調(diào)制解調(diào)器，電源
相關(guān)產(chǎn)品： 336-1095-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
其它名稱： 336-1167
Si2401
Rev. 1.0
15
4.3. Low Power Modes
The Si2401 has three low-power modes:
DSP Powerdown. The DSP processor can be
powered down by setting register
SEB[3] (PDDE) = 1.
In this mode, the serial interface still functions, and
the modem detects ringing and intrusion. However,
no modem modes or tone detection features
function.
Wake-Up-On-Ring. By issuing the ATz command,
the Si2401 goes into a low-power mode where both
the microcontroller and DSP are powered down.
Only an incoming ring, a low TXD signal, or a total
reset will power up the chip again. Return from
wake-on-ring triggers the INT pin if S09[6]
(WOR) = 1 (WOR = 0b by default).
Total Powerdown. Setting SF1[5] = 1 and SF1[6] = 1
places the Si2401 into a total powerdown mode. All
logic is powered down including the crystal oscillator
and clock-out pin. Only a hardware reset can restart
the Si2401.
4.4. Global DAA Operation
The Si2401 chipset contains an integrated silicon direct
access arrangement (silicon DAA) that provides a
programmable line interface to meet international
telephone line requirements. Table 10 gives the DAA
register settings required to meet various country PTT
standards.
Table 10. Country-Specific Register Settings
Si2401 Register
SF5
SF6
Country
OHS
ILIM
RZ
RT
MINI[1:0] DCV[1:0] ACT[3:0]
AT Command
String
Algeria
10
1
0
00
10
0011
ATSF5=28SF6=23
Argentina
00
0
00
10
0000
ATSF5=00SF6=20
Armenia
00
0
00
10
0000
ATSF5=00SF6=20
Australia
01
0
10
01
0011
ATSF5=10SF6=93
Austria (EU)
10
1
0
00
10
0011
ATSF5=28SF6=23
Bahamas
00
0
00
10
0000
ATSF5=00SF6=20
Bahrain
10
1
0
00
10
0011
ATSF5=28SF6=23
Belarus
00
0
00
10
0000
ATSF5=00SF6=20
Belgium (EU)
10
1
0
00
10
0011
ATSF5=28SF6=23
Bermuda
00
0
00
10
0000
ATSF5=00SF6=20
Brazil
00
0
00
10
0000
ATSF5=00SF6=20
Brunei
00
0
00
10
0000
ATSF5=00SF6=20
Bulgaria
10
1
0
00
10
0011
ATSF5=28SF6=23
Canada
00
0
00
10
0000
ATSF5=00SF6=20
Caribbean
00
0
00
10
0000
ATSF5=00SF6=20
Chile
00
0
00
10
0000
ATSF5=00SF6=20
China - People's Republic
00
0
00
10
0000
ATSF5=00SF6=20
Colombia
00
0
00
10
0000
ATSF5=00SF6=20
Costa Rica
00
0
00
10
0000
ATSF5=00SF6=20
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SI2403-FT 制造商:Silicon Laboratories Inc 功能描述:MODEM CHIP CHIPSET ISOMODEM 2.4KBPS 24TSSOP - Rail/Tube
SI2404 制造商:未知廠家 制造商全稱:未知廠家 功能描述:V.90, V.34, V.32BIS, V.22BIS ISOMODEM?? WITH GLOBAL DAA
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