SI2404-C-FT Silicon Laboratories Inc, SI2404-C-FT Datasheet
SI2404-C-FT
Specifications of SI2404-C-FT
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SI2404-C-FT Summary of contents
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... Offered as a chipset with the Si2457, Si2434, Si2415, or Si2404 system-side device and the Si3018/10 line-side device, the ISOmodem utilizes Silicon Laboratories’ patented direct access arrangement (DAA) technology to provide a programmable telephone line interface with an unparalleled level of integration ...
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Si2457/34/15/04 2 Rev. 1.1 ...
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Section 1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . ...
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Si2457/34/15/04 1. Electrical Specifications Table 1. Recommended Operating Conditions 1 Parameter Ambient Temperature Si2457/34/15/04 Supply Voltage, 3 Digital Notes: 1. The Si2457/34/15/04 specifications are guaranteed when the typical application circuit (including component tolerance) and any Si2457/34/15/04 and any Si3018 are ...
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TIP Si3018 RING Figure 1. Test Circuit for Loop Characteristics Table 3. DC Characteristics 3 °C for F-grade Parameter High Level Input Voltage Low Level Input ...
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Si2457/34/15/04 Table 4. AC Characteristics (V = 3 °C for F-grade Parameter Sample Rate Clock Input Frequency Clock Input Frequency Receive Frequency Response Receive Frequency Response 1 Transmit Full ...
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Table 5. Absolute Maximum Ratings Parameter DC Supply Voltage Input Current, Si2457/34/15/04 Digital Input Pins Digital Input Voltage CLKIN/XTALI Input Voltage Operating Temperature Range Storage Temperature Range Note: Permanent device damage may occur if the above absolute maximum ratings are ...
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Si2457/34/15/04 UART Time for Modem Receive Path (8N1 Mode) 8-B it Data M ode tart RTS UART Timing for Modem Transmit Path (9N1 Mode with 9th Bit Escape) 9-B it ...
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CSS ADDRESS = RLDD D[7:0] Figure 3. Parallel Interface Read Timing t CSS ADDRESS = D[7:0] ...
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Si2457/34/15/04 2. Typical Application Schematic + IGND GND 12 Rev. 1.1 ...
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VDB 19 VDA 7 3.3 VD GND 21 20 VD3.3 GND 5 6 Rev. 1.1 Si2457/34/15/ IGND 15 11 ...
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Si2457/34/15/04 3. Bill of Materials: Si2457/34/15/04 Chipset Component C1 C5, C6, C50, C52 C7 C8, C9 C10 2 C40, C41 1 C51, C53 3 D1, D2 Dual Diode, 225 mA, 300 V, CMPD2004S FB1, FB2 Q1, ...
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Table 7. Protocol Characteristics Item Data Rate 1 56 kbps 1 54.666 kbps 1 53.333 kbps 1 52 kbps 1 50.666 kbps 1 49.333 kbps 1 48 kbps 1 46.666 kbps 1 45.333 kbps 1 44 kbps 1 42.666 kbps ...
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Si2457/34/15/04 Table 7. Protocol Characteristics (Continued) Item Compatibility Operating Mode Switched network Data Modulation kbps 2 2.4 to 33.6 kbps 3 14.4 kbps 3 12.0 kbps 3 9600 bps 3 9600 bps 3 9600 bps 3 ...
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Table 7. Protocol Characteristics (Continued) Item Receive Carrier 1 ITU-T V.90 2 ITU-T V.34 3 ITU-T V.32bis 3 ITU-T V.32 3 ITU-T V.29 ITU-T V.22, V.22bis/Bell 212A Originate mode Answer mode ITU-T V.21 Originate mode Answer mode Bell 103 Originate ...
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Si2457/34/15/04 4. Functional Description The Si2457/34/15/04 ISOmodem embedded modem chipset with integrated direct access arrangement (DAA) that provides a programmable line interface to meet global telephone line requirements. Available in two small packages, this solution includes a DSP data pump, ...
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Table 8. Pulldown Selector (24-Pin SSD) Mode Serial I/O 4.9152 MHz CLK Default 27 MHz CLK Pin 23 Autobaud Default 19.2 kbps DTE Pin 18 No EEPROM Default EEPROM Pin 4 Table 9. Pulldown Selector (16-Pin Version) Mode 4.9152 MHz ...
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Si2457/34/15/04 and MNP2-4 error correction protocols. V.42 (LAPM) is most commonly used and is enabled by default. 4.10. Wire Mode Wire mode is used to communicate with standard non- error correcting modems. When optioned with \N3, the Si2457/34/15/04 falls back ...
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LVCS BITS 4.13. Overcurrent Detection The Si2457/34/15/04 includes an overcurrent detection feature that measures the loop programmable time after the Si2457/34/15/04 goes off- hook. ...
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Si2457/34/15/04 4.18. EEPROM Interface (24-Pin Version Only) The Si2457/34/15/04 supports an optional serial peripheral interface (SPI) bus serial EEPROM Mode 3 with a 16-bit (8–64 kbit range) address. Upon powerup pulldown resistor ≤10 kΩ is placed between D6 ...
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Table 10. Basic AT Command Set (Command Defaults in Bold) Command Display AT command mode settings. $ Answer incoming call A Re-execute last command. This is the only command not preceded by “AT” or followed <CR>. Dial ...
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... I1 Display line-side revision code. I3 18C = Si3018 revision C Display the ISOmodem® model number. I6 “2404” = Si2404 “2415” = Si2415 “2434” = Si2434 “2457” = Si2457 Diagnostic results 1. See “AN93: Modem Designer’s Guide” for details. I7 Diagnostic results 2. See “AN93: Modem Designer’s Guide” for details. ...
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Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Call Progress Monitor (CPM)—This command controls which CPM signals are monitored Xn and reported to the host from the Si2457/34/15/04. (See Table 14 on page 36.) Basic results; ...
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Si2457/34/15/04 Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued) Command +DR=X Data compression reporting. X Mode 0 Disabled 1 Enabled If enabled, the intermediate result code is transmitted at the point after error control negotia- tion. The ...
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Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Synchronous access mode control options +ESA Options A Specifies action taken if an underrun condition occurs during transparent sub-mode. +ESA = A 0 Modem transmits 8-bit SYN sequences ...
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Si2457/34/15/04 Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Country settings - Automatically configure all registers for a particular country. +GCI = X X Country 0 Japan 9 Australia A Austria F Belgium 16 Brazil 1B ...
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... DCE may establish a connection. If unspecified (set to 0), they are determined by the carrier and automode settings. Action e.g. +MRR: 14400 ITU-T V.21 ITU-T V.22 ITU-T V.22bis (default for Si2404) ITU-T V.32 ITU-T V.32bis (default for Si2415) ITU-T V.34 (default for Si2434) ITU-T V.90 (default for Si2457) Disabled Enabled Rev ...
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Si2457/34/15/04 Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Controls the action to be taken upon detection of call waiting. +PCW = X X Mode 0 Toggle RI and collect type II Caller ID if enabled ...
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... Note that the &Hn commands may limit the line speed as well (&Gn not used for &H0 or &H1). Not all modulations support rates given by &G. Any improper setting will be ignored. 1200 bps max &G3 2400 bps max (default for Si2404) &G4 4.8 kbps max &G5 7.2 kbps max & ...
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Si2457/34/15/04 Table 11. Extended AT& Command Set (Command Defaults in Bold) (Continued) Command ITU-T V.32bis with automatic fallback (14.4 kbps to 300 bps) (default for Si2415) &H4 ITU-T V.32bis only (14.4 kbps to 4800 bps) &H5 ITU-T V.22bis only (2400 ...
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Table 11. Extended AT& Command Set (Command Defaults in Bold) (Continued) Command Automatic determination of telephone line type. &X1 Result code: WXYZn line supports DTMF dialing line is pulse dial only line ...
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Si2457/34/15/04 Table 12. Extended AT% Command Set (Command Defaults in Bold) (Continued) Command %V1 Automatic Line Status Detection—Fixed Method. Description: Before going off-hook with the ATD, ATO, or ATA commands, the Si2457/34/15/04 com- pares the line voltage (via LVCS) to ...
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Table 13. Extended AT\ Command Set (Command Defaults in Bold) Command \$ Display AT\ command settings. \Bn Character length will be automatically set in autobaud mode \B0 6N1—six data bits, no parity, one stop bit, one start bit, eight bits ...
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Si2457/34/15/04 Table 13. Extended AT\ Command Set (Command Defaults in Bold) (Continued) Command \Q3 Use RTS/CTS \Q4 Use XON/XOFF flow control for modem-to-DTE interface. Does not enable modem-to-modem flow control. \Tn DTE rate—Change DTE rate. When the Si2457/34/15/04 is configured ...
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Table 13. Extended AT\ Command Set (Command Defaults in Bold) (Continued) Command \Vn Connect message type \V0 Report connect message and protocol message \V2 Report connect message only (exclude protocol message) \V4 Report connect and protocol message with both upstream ...
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Si2457/34/15/04 Numeric Meaning 0 Command was successful 1 Link established at 300 bps or higher 2 Incoming ring detected 3 Link dropped 4 Command failed 5 Link establish at 1200 6 Dial tone not present 7 Line busy 8 Remote ...
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Table 14. Result Codes (Continued) Numeric Meaning 43 Telephone line is in use 44 A polarity reversal was detected 45 A polarity reversal was NOT detected 52 Link established at 56000 60 Link established at 32000 61 Link established at ...
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Si2457/34/15/04 Numeric Meaning 99 Link established at 52000 100 Link established at 53333 101 Link established at 54666 102 DTMF dial attempted on a pulse dial only line Notes: 1. This message is only supported on the Si2457, Si2434, and ...
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S-Registers The S command allows reading (Sn?) or writing ( the S-registers. The S-registers store values for functions that typically are rarely changed, such as timers or counters, and the ASCII values of control characters, such as ...
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Si2457/34/15/04 Table 15. S-Register Description (Continued) S-Register (Decimal) 24 Sleep Inactivity Time—Sets the time that the modem operates in normal power mode with no activity on the serial port, parallel port, or telephone line before enter- ing low-power sleep mode. ...
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Table 15. S-Register Description (Continued) S-Register (Decimal) 42 Blacklisting—The Si2457/34/15/04 will not dial the same number more than two times in three minutes. An attempt to dial a third time within three minutes will result in a “BLACKLISTED” result code. ...
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Si2457/34/15/04 6. User-Access Registers (U-Registers) The :U AT command is used to write these 16-bit U-registers, and the :R command is used to read them. U-registers are identified by a hexidecimal (hex) address. Register Name Description U00 DT1A0 DT1 registers ...
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Table 16. U-Register Description (Continued) Register Name Description U17 BT1A0 BT1 registers set the coefficients for stage 1 of the Busy Tone Detect filter. Default is for FCC countries. See “AN93: Modem Designer’s Guide” for other U18 BT1B1 country settings. ...
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Si2457/34/15/04 Table 16. U-Register Description (Continued) Register Name Description U33 RMOT Ringback cadence minimum on time in seconds multiplied by 7200. U34 DTWD Window to look for dialtone in seconds multiplied by 1000. U35 DMOT Minimum dialtone on time in ...
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Table 16. U-Register Description (Continued) Register Name Description U4F FHT Flash Hook Time. Time corresponding with “!” or “&” dial modifier that the Si2457/34/15/04 goes on-hook during a flash hook (ms units). U50 LCDN Loop current debounce on time (ms ...
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Si2457/34/15/04 Table 16. U-Register Description (Continued) Register Name Description U87 SAM This is a bit-mapped register U9F SASF SAS frequency detection. See “AN93: Modem Designer’s Guide” for complete details. UA0 SC0 SAS cadence 0. Sets the duration of the first ...
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Table 17. Bit-Mapped U-Register Summary Reg. Name Bit Bit Bit U4D MOD1 TOCT U53 MOD2 REV U62 DAAC1 U63 DAAC3 U65 DAAC4 PWMG PDN U66 DAAC5 U67 ITC1 MINI[1:0] U68 ITC2 U6A ITC4 U6C LVS U6E CK1 ...
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Si2457/34/15/04 6.1. Bit-Mapped U-Register Detail (defaults in bold) U4D MOD1 Bit D15 D14 D13 D12 Name TOCT NHFP NHFD Type R/W R/W Reset settings = 0x0000 Bit Name 15 Reserved Read returns zero. 14 TOCT Turn Off Calling Tone. 0 ...
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U53 MOD2 Bit D15 D14 D13 D12 Name REV Type R/W Reset settings = 0x0000 Bit Name 15 REV V.23 Reversing Disable Enable. 14:0 Reserved Read returns zero. U62 DAAC1 Bit D15 D14 D13 D12 Name ...
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Si2457/34/15/04 U63 DAAC3 Bit D15 D14 D13 D12 Name LCS[7:0] Type Reset settings = 0x0003 Bit Name 15:8 LCS[7:0] Off-Hook Loop Current (1.1 mA/bit). 7:4 ACT[3:0] AC Termination Select. ACT[3:0] 0000 0011 0100 1111 3:0 Reserved Read returns 0x3. U65 ...
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U66 DAAC5 Bit D15 D14 D13 D12 Name Type Reset settings = 0xXX40 Bit Name 15:7 Reserved Do not modify. 6 FDT* Frame Detect Indicates ISOmodem has not established frame lock Indicates ISOmodem frame lock has ...
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Si2457/34/15/04 U67 ITC1 Bit D15 D14 D13 D12 D11 Name MINI[1:0] Type R/W Reset settings = 0x0008 Bit Name 15:14 Reserved Read returns zero. 13:12 MINI[1:0] Minimum Operational Loop Current. Adjusts the minimum loop current at which the DAA can ...
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Bit Name 1 RZ Ringer Impedance Maximum (high) ringer impedance Synthesize ringer impedance. C15, R14, Z2, and Z3 must not be installed when setting this bit. See the “Ringer Impedance” section in “AN93: Modem Designer’s Guide”. ...
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Si2457/34/15/04 U6A ITC4 Bit D15 D14 D13 D12 Name Type Reset settings = N/A Bit Name 15:3 Reserved Read returns zero. 2 OVL Overload Detected. This bit has the same function as ROV, but clears itself after the overload has ...
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U6E CK1 Bit D15 D14 D13 D12 Name Type Reset settings = 0xXF20 Bit Name 15:13 Reserved Do not modify. 12:8 R1[4:0] R1 CLKOUT Divider. See “AN93: Modem Designer’s Guide” for details. 7:0 Reserved Read returns zero. U6F PTMR Bit ...
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Si2457/34/15/04 U70 IO0 Bit D15 D14 D13 D12 Name HES TES CIDM OCDM PPDM Type R/W R/W R/W Reset settings = 0x2700 Bit Name 15 HES Hardware Escape Pin Disable Enable. 14 Reserved Read returns zero. ...
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U71 IO1 Bit D15 D14 D13 D12 D11 D10 Name Type Reset settings = 0x0000 Bit Name 15:5 Reserved Read returns zero. 4 COMP 0 = Disables compression (PCM mode Enables linear compression. 3:1 Reserved Read returns zero. ...
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Si2457/34/15/04 U77 GEN2 Bit D15 D14 D13 D12 Name IST[3:0] Type R/W Reset settings = 0x401E Bit Name 15:12 IST[3:0] Intrusion Settling Time (250 ms units). Delay between when the ISOmodem goes off-hook and the off-hook intrusion algorithm begins. Default ...
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U78 GEN3 Bit D15 D14 D13 D12 Name IB[1:0] Type R/W Reset settings = 0x00XX Bit Name 15:14 IB[1:0] Intrusion Blocking. Defines the method used to block the off-hook intrusion algorithm from operation after dialing has begun ...
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Si2457/34/15/04 U79 GEN4 Bit D15 D14 D13 D12 Name Type Reset settings = 0x0000 Bit Name 15:5 Reserved Read returns zero. 4:0 LVCS[4:0] Line Voltage Current Sense. Represents either the line voltage, loop current, or on-hook line monitor. On-Hook Voltage ...
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U7A GENA Bit D15 D14 D13 D12 D11 D10 Name Type Reset settings = 0x0000 Bit Name 15:8 Reserved Read returns to zero. 7 DOP Dial or Pulse Normal ATDTW operation 1 = Use ATDTW for Pulse/Tone Dial ...
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Si2457/34/15/04 U7C GENC Bit D15 D14 D13 D12 D11 D10 Name Type Reset settings = 0x0000 Bit Name 15:5 Reserved Reads returns to zero. 4 RIGPO RI RI follows this bit when RIGPIOEN = 1 3:1 Reserved Reads returns to ...
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U87 SAM Bit D15 D14 D13 D12 D11 Name Type Reset settings = 0x0000 Bit Name 15:11 Reserved Reads returns to zero. 10 MINT Minimal Transparency 0 = Generates two-byte <EM> transparency sequences. This option will use codes <EM><T5> through ...
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Si2457/34/15/04 7. Parallel Interface Registers Parallel Interface 0 (0x00) Bit Name Type Reset settings = 0x00 Bit Name 7:0 TX/RX[7:0] Parallel Interface Transmit/Receive. This register functions similarly to the serial port TX pin on writes to the ...
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Parallel Interface 1 (0x01) Bit Name RXF TXE REM Type Reset settings = 0110_0011 Bit Name 7 RXF Receive FIFO Almost Full (status Receive FIFO (12 deep) contains three or more empty ...
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Si2457/34/15/04 8. Pin Descriptions: Si2457/34/15/04 (16-Pin Option) Pin # Pin Name 1 CLKIN/XTALI XTALI—Crystal Oscillator Pin. Provides support for parallel resonant AT cut crystals. A 4.9152 MHz crystal or a 4.9152 or 27 MHz clock on XTALI is required. 2 ...
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Pin Descriptions: Si2457/34/15/04 (24-Pin Option) Pin # Pin Name 1 CLKIN/XTALI Clock Input/Crystal Oscillator Pin. Provides support for parallel resonant AT cut crystals. A 4.9152 MHz crystal or a 4.9152 or 27 MHz clock on XTALI is required. 2 ...
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Si2457/34/15/04 Pin # Pin Name 10 TXD/WR Transmit Data/Write Enable. Data input from DTE TXD pin in serial mode. Active low write enable pin in paral- lel mode. 11 CTS/CS Clear to Send/Chip Select. Signals that the Si2457/34/15/04 is ready ...
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Pin Descriptions: Si3018/10 Pin # Pin Name 1 QE Transistor Emitter. Connects to the emitter of Q3. 2 DCT DC Termination. Provides dc termination to the telephone network Receive Input. Serves as the receive side input from ...
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... TSSOP Si2457-C-FT 16-pin SOIC Si2457-C-FS 24-pin TSSOP Si2434-C-FT 16-pin SOIC Si2434-C-FS 24-pin TSSOP Si2415-C-FT 16-pin SOIC Si2415-C-FS 24-pin TSSOP Si2404-C-FT 16-pin SOIC Si2404-C-FS 24-pin TSSOP Si2457-C-GT 24-pin TSSOP Si2434-C-GT 24-pin TSSOP Si2415-C-GT 24-pin TSSOP Si2404-C-GT Rev. 1.1 Line-Side* Temp Range Si3018-F- ° ...
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Package Outline: 24-Pin TSSOP Figure 9 illustrates the package details for the Si2457/34/15/04 24-pin packaging option. Table 19 lists the values for the dimensions shown in the illustration. ddd (2x Figure 9. 24-Pin Thin ...
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Si2457/34/15/04 13. Package Outline: 16-Pin SOIC Figure 10 illustrates the package details for the Si3018/10 and the Si2457/34/15/04 16-pin packaging option. Table 20 lists the values for the dimensions shown in the illustration aaa C ...
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... Added Figure 5 typical schematic with 16-pin system-side option. Updated Table 3 to include 16-pin system-side parameters. Updated default register setting in Table 16. Added Si2404 information. Added 16-pin system-side option. Updated "4. Functional Description" on page 16. Added "8. Pin Descriptions: Si2457/34/15/04 (16-Pin Option)" on page 66. ...
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... Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap- plication, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages. Silicon Laboratories, Silicon Labs, and ISOmodem are registered trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. ...