SI2457FT08-EVB Silicon Laboratories Inc, SI2457FT08-EVB Datasheet
SI2457FT08-EVB
Specifications of SI2457FT08-EVB
Related parts for SI2457FT08-EVB
SI2457FT08-EVB Summary of contents
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V V.34 Features Data modem formats ITU-T, Bell 300 bps kbps V.21,V.22, V.29 Fast Connect V.42, V.42bis, MNP2-5 Automatic rate negotiation Type I and II caller ID decode No ...
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Si2457/34/15/04-Si3008 2 Preliminary Rev. 0.7 ...
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Section 1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . ...
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Si2457/34/15/04-Si3008 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 Si3008 are ...
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TIP Si3008 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 Voltage ...
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Si2457/34/15/04-Si3008 Table 4. AC Characteristics (V = 3 °C for K-Grade kHz) D Parameter Sample Rate Clock Input Frequency Clock Input Frequency Receive Frequency Response Receive Frequency Response 1 ...
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Table 6. Switching Characteristics (V = 3 °C for F-Grade Parameter CLKOUT Output Clock Frequency Baud Rate Accuracy Start Bit ↓ to RTS ↓ CTS or RTS ↑ High to ...
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Si2457/34/15/04-Si3008 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-Si3008 2. Typical Application Schematic epad IGND GND 12 Preliminary Rev. 0.7 ...
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IGND VDB 19 VDA 7 3.3 VD GND 21 20 VD3.3 GND 5 6 Preliminary Rev. 0.7 Si2457/34/15/04-Si3008 11 ...
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Si2457/34/15/04-Si3008 3. Bill of Materials: Si2457/34/15/04 Chipset Component C1 C5, C50, C52 C8 C11 2 C40, C41 C51, C53 3 D1, D2 Dual Diode, 225 mA, 300 V, CMPD2004S FB1, FB2 Q1 RV1 ...
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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-Si3008 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-Si3008 4. Functional Description The Si2457/34/15/04 ISOmodem® utilizing the Si3008 line-side device is a complete embedded modem chipset with integrated direct access arrangement (DAA). Available in two small packages, this solution includes a DSP data pump, modem controller, on-chip RAM ...
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The parallel interface is an 8-bit data bus with a single bit address. Figure 3 on page 9 shows the required timing for the parallel interface the data bus represents a read/write to the ...
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Si2457/34/15/04-Si3008 4.8. Data Compression The modem can achieve DTE (host-to-ISOmodem) speeds greater than the maximum DCE (modem-to- modem) speed through the use of a data compression protocol. The compression protocols available are the ITU-T V.42bis and MNP5 protocols. Data compression ...
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LVC S BITS CTR21 only 20 ...
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Si2457/34/15/04-Si3008 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. This allows the Si2457/34/15/04 to detect connected to an improper telephone line. The overcurrent ...
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Table 11. 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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Si2457/34/15/04-Si3008 Table 11. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Go off-hook. H1 Identification and checksum. In Display Si2457/34/15/04 revision code Revision B C: Revision C, etc. Display Si2457/34/15/04 firmware revision code (numeric). I1 Display ...
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Table 11. 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 15 on page 35.) Basic results; ...
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Si2457/34/15/04-Si3008 Table 11. 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 11. 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-Si3008 Table 11. 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 16 Brazil 20 Canada 26 China 27 Columbia 35 ...
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Table 11. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Modulation reporting control. + Mode 0 Disabled 1 Enabled If enabled, the intermediate result code is transmitted at the point during connect negotia- tion. The ...
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Si2457/34/15/04-Si3008 4.19. Extended AT Commands The extended AT commands are supported by the Si2457/34/15/04 and are described in Tables 12 through 14. Table 12. Extended AT& Command Set (Command Defaults in Bold) Command Display AT& current settings. &$ ESC is ...
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Table 12. 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 bps ...
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Si2457/34/15/04-Si3008 Table 12. 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 ...
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Table 13. 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 registers ...
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Si2457/34/15/04-Si3008 Table 14. 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 ...
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Table 14. 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 in ...
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Si2457/34/15/04-Si3008 Table 14. 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 ...
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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 not ...
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Si2457/34/15/04-Si3008 Numeric Meaning 32 UK CID State Tone Alert Signal detected 33 Overcurrent condition 40 Blacklist is full 41 Attempted number is black- listed phone line present 43 Telephone line is in use 44 A polarity reversal was ...
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Numeric Meaning 81 MNP3 protocol 82 MNP4 protocol 83 MNP5 protocol 90 Link established at 38666 91 Link established at 40000 92 Link established at 41333 93 Link established at 42666 94 Link established at 44000 95 Link established at ...
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Si2457/34/15/04-Si3008 5. 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 ...
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Table 16. 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. This ...
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Si2457/34/15/04-Si3008 Table 16. 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 ...
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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 set ...
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Si2457/34/15/04-Si3008 Table 17. 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 ...
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Table 17. 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 seconds ...
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Si2457/34/15/04-Si3008 Table 17. 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 ...
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Table 17. U-Register Description (Continued) Register Name Description 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 SAS tone (ms). UA1 SC1 SAS cadence 1. ...
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Si2457/34/15/04-Si3008 Table 18. 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 U68 ITC2 U6C LVS U6E CK1 U6F PTME ...
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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 ...
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Si2457/34/15/04-Si3008 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 ...
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U63 DAAC3 Bit D15 D14 D13 D12 Name LCS[7:0] Type R Reset settings = 0xXX03 Bit Name 15:8 LCS[7:0] Off-Hook Loop Current (1.1 mA/bit). 7:0 Reserved Read returns 0x3. U65 DAAC4 Bit D15 D14 D13 D12 Name PWMG PDN Type ...
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Si2457/34/15/04-Si3008 U66 DAAC5 Bit D15 D14 D13 D12 Name Type Reset settings = 0x0040 Bit Name 15:7 Reserved Read returns zero. 6 FDT* Frame Detect Indicates ISOmodem has not established frame lock Indicates ISOmodem frame lock ...
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U67 ITC1 Bit D15 D14 D13 D12 D11 Name Type Reset settings = 0x0008 Bit Name 15:1 Reserved Read returns zero Ringer Threshold Select. Used to satisfy country requirements on ring detection. Signals below the lower level does ...
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Si2457/34/15/04-Si3008 U6C LVS Bit D15 D14 D13 D12 Name LVS[7:0] Type R Reset settings = 0xXX00 Bit Name 15:8 LVS[7:0] Line Voltage Status. Eight bit signed, twos complement number representing the tip-ring voltage. Each bit repre- sents 1.19 V. Polarity ...
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U6E CK1 Bit D15 D14 D13 D12 Name Type Reset settings = 0x1F20 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-Si3008 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-Si3008 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 = 0x0000 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-Si3008 U79 GEN4 Bit D15 D14 D13 D12 Name Type Reset settings = 0x00XX 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-Si3008 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 (Pin 17), follows this bit when RIGPIOEN = 1 3:1 Reserved Reads ...
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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-Si3008 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-Si3008 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-Si3008 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: Si3008 Pin # Pin Name 1 C1B Isolation Capacitor 1B. Connects to one side of isolation capacitor C1 and communicates with the Si2457/ 34/15. 2 C2B Isolation Capacitor 2B. Connects to one side of isolation capacitor C2 ...
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Si2457/34/15/04-Si3008 11. Ordering Guide Chipset Max Speed Si2457 56 kbps Si2457 56 kbps Si2434 33.6 kbps Si2434 33.6 kbps Si2415 14.4 kbps Si2415 14.4 kbps Si2404 2400 bps Si2404 2400 bps Notes: 1. Add an “R” at the end of ...
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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-Si3008 13. Package Outline: 16-Pin SOIC Figure 10 illustrates the package details for the Si3008 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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Package Outline: 8-Pin Exposed Pad SOIC (Si3008) Figure 11 illustrates the package details for the Si3008. Table 21 lists the values for the dimensions shown in the illustration. Figure 11. 8-pin Exposed Pad Small Outline Integrated Circuit (SOIC) Package ...
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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. ...