SI2457-D-FS Silicon Laboratories Inc, SI2457-D-FS Datasheet
SI2457-D-FS
Specifications of SI2457-D-FS
Related parts for SI2457-D-FS
SI2457-D-FS Summary of contents
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... The ISOmodem family of products is a complete modem ranging in speed from 56,000 bps to 2400 bps. 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. 1.3 ...
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... Pin Descriptions: Si2457/34/15/04 (24-Pin Option Pin Descriptions: Si3018/ 10. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 11. Package Markings (Top Markings 11.1. Si2457-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 11.2. Si2457-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 11.3. Si2434-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 11.4. Si2434-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 11.5. Si2415-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 11.6. Si2415-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 11.7. Si2404-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 11 ...
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... 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 used. See "2. Typical Application Schematic" on page 11. 2. All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions. ...
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... RING = 3 – °C for G-grade) A Symbol Test Condition – PDN = 1 D Rev. 1.3 Si2457/34/15/ Min Typ Max Unit 2.0 — — V — — 0.8 V 2.4 — — V — — 0.35 V –10 — 10 µA 50 125 200 k — — ...
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... Si2457/34/15/04 Table 4. AC Characteristics (V = 3 °C for F-grade kHz Parameter Sample Rate Clock Input Frequency Clock Input Frequency Clock Input Frequency Receive Frequency Response Receive Frequency Response 2 Transmit Full Scale Level 2,3 Receive Full Scale Level 4 Dynamic Range 4 Dynamic Range ...
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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 exceeded. Functional operation should be restricted to the conditions as specified in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect device reliability ...
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... Si2457/34/15/04 Table 6. Switching Characteristics (V = 3 °C for F-grade Parameter Read Cycle Time Write to Read Cycle Time Serial Peripheral Interface (SPI) Timing Parameters SS Falling to First SCLK Edge Last SCLK Edge to SS Rising SS Rising to MISO High-Z SCLK High Time SCLK Low Time ...
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... CSS ADDRESS = RLDD D[7:0] Figure 3. Parallel Interface Read Timing t CSS ADDRESS = D[7:0] Figure 4. Parallel Interface Write Timing t CSH VALID DATA t CSH DSU t DH VALID DATA Rev. 1.3 Si2457/34/15/04 VALID DATA t RLDD VALID DATA 9 ...
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... Si2457/34/15/04 CS ADDRESS = D[7:0] Figure 5. Parallel Interface Write Followed by Read Timing 10 t WRC WDSU VALID DATA Rev. 1.3 VALID DATA t RLDD ...
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... Typical Application Schematic + GND IGND Rev. 1.3 Si2457/34/15/04 11 ...
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... Si2457/34/15/ GND IGND Rev. 1.3 ...
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... Y1 Z1 Notes: 1. C52 and C53 should not be populated with the Si2457/34/15/04 16-pin package option. 2. Several diode bridge configurations are acceptable. For example, a single DF04S or four 1N4004 diodes may be used. 3. Murata BLM21AG601SN1 may be substituted for R15–R16 (0 ) to decrease emissions ensure compliance with ITU specifications, frequency tolerance must be less than 100 ppm including initial accuracy, 5-year aging ° ...
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... Notes: 1. Supported on Si2457 only. 2. Supported on Si2457 and Si2434 only. 3. Supported on Si2457, Si2434, and Si2415 only. 14 Table 7. Protocol Characteristics ITU-T V.34 or V.32bis ITU-T V.34 or V.32bis ITU-T V.34, V.32bis, or V.29 ITU-T V.34 or V.32bis ITU-T V.34 or V.32bis ITU-T V ...
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... Originate mode Answer mode Output Level Permissive—Switched network Notes: 1. Supported on Si2457 only. 2. Supported on Si2457 and Si2434 only. 3. Supported on Si2457, Si2434, and Si2415 only. Si2457/34/15/04 Specification Selectable bits per character, which includes the start, stop, and parity bits 1 2 ITU-T V. ...
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... Ring Cadence Call Progress Monitor Notes: 1. Supported on Si2457 only. 2. Supported on Si2457 and Si2434 only. 3. Supported on Si2457, Si2434, and Si2415 only. 16 Mark (980 Hz ±12 Hz) Space (1180 Hz ±12 Hz) Mark (1650 Hz ±12 Hz) Space (1850 Hz ±12 Hz) Mark (2225 Hz ±12 Hz) Space (2025 Hz ±12 Hz) Mark (1270 Hz ±12 Hz) Space (1070 Hz ±12 Hz) ...
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... Si2401 full-duplex synchronous serial bus for host processor and Si2457/34/15/04 ISOmodem communication. When the Si2457/34/15/04 is powered up with SPI mode enabled the modem becomes an SPI slave, and the pins are configured to SS (slave select input, active low), MOSI (serial data input to modem), MISO (serial data output from modem) and SCLK (serial data clock input) ...
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... 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 to wire mode if it fails in an attempt to negotiate a V.42 link with the remote modem. Error correction and data compression are not active in wire mode ...
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... Caller ID Operation The Si2457/34/15/04 supports full type I and type II caller ID detection and decode. Caller ID is supported for the US Bellcore, European ETSI, UK, and Japanese protocols and is enabled via the +VCID, +VCDT, and +PCW commands. 4.12. Parallel Phone Detection ® The ISOmodem ...
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... Si2457/34/15/ LVCS BITS CTR21 only Loop Current (mA) Figure 10. Loop Current Rev. 1.3 Overload 140 ...
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... Si2457/34/15/04 goes off- hook. This allows the Si2457/34/15/04 to detect connected to an improper telephone line. The overcurrent detection feature may be enabled by setting the OCDM bit (U70, bit 11). OHT (U77, bits 8:0) sets the delay after off-hook until the loop current is measured. ...
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... In each case, the result G code is followed by “OK”. If the S7 timeout occurs before a busy tone is detected, the Si2457/34/15/04 will report “NO CARRIER”. Polarity reversal monitoring begins after the last digit is dialed and ends when the busy tone is detected or S7 timeout occurs. ...
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... Go on-hook (hang up modem 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 line-side revision code. I3 18C = Si3018 revision C Display the ISOmodem “2404” = Si2404 I6 “2415” = Si2415 “2434” = Si2434 “2457” = Si2457 Diagnostic results 1. See “ ...
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... V1 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 12 on page 38.) Basic results; disable CPM—Blind dial (does not wait for dial tone). CONNECT message X0 does not include speed. ...
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... D Disable synchronous assess mode. 8 Enable synchronous access mode when connection is completed and data state is entered. Action Mode Data compression is not in use Rec. V.42bis is in use in both directions Rec. V.42bis is in use in receive direction only Rec. V.42bis is in use in transmit directions only Rev. 1.3 Si2457/34/15/04 25 ...
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... Si2457/34/15/04 Table 8. Basic AT Command Set (Command Defaults in Bold) (Continued) Command Synchronous access mode control options A Specifies action taken if an underrun condition occurs during transparent sub-mode. 0 Modem transmits 8-bit SYN sequences on idle. B Specifies action taken if an underrun condition occurs after a flag during framed sub- mode 0 Modem transmits 8-bit HDLC flags on idle ...
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... Changes may be made by writing individual registers after sending the AT+GCI command. Refer to “AN93: ISOModem List current country code setting (response is: + GCI:<setting>) +GCI? List all possible country code settings. +GCI = ? Si2457/34/15/04 Action ® Chipset Family Designer’s Guide” for details. Rev. 1.3 27 ...
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... 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. 1.3 ...
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... After ring only +VCDT = X 1 Always on (Recommended Setting Japan Caller ID Enable. X Mode +VCID = X 0 Off 1 On—formatted 2 On—raw data format Type II caller ID information — The Si2457/34/15/04 will display “+VCDIR:” followed by raw +VCIDR? caller ID information including checksum. Si2457/34/15/04 Action Rev. 1.3 29 ...
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... Si2457/34/15/04 4.21. Extended AT Commands The extended AT commands are supported by the Si2457/34/15/04 and are described in Tables 9 through 11. Table 9. Extended AT& Command Set (Command Defaults in Bold) Command Display AT& current settings. &$ ESC is not used &D0 ESC escapes to command mode from data mode if also enabled by HES U70, bit 15. ...
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... Initiate ITU-T V.54 (ANALOOP) test. Modulation set by &H AT command. Test loop is through the &T2 DSP (Si2457/34/15/04 device) only. ISOmodem® echoes data from TX pin (Register 0 in parallel mode) back to RX pin (Register 0 in parallel mode). Initiate ITU-T V.54 (ANALOOP) test. Modulation set by &H AT command. Test loop is through the & ...
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... Si2457/34/15/04 Table 9. 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 supports 20 pps dialing line supports 10 pps dialing only extension network present (PBX). ...
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... After the %V1 and %V2 commands are issued, the Si2457/34/15/04 will automatically check the telephone connection for whether or not a line is present line is present, the Si2457/34/15/04 will automatically check if the line is already in use. Finally, the Si2457/34/15/04 will check line status both before going off-hook and again before dialing. %V1 uses the fixed method, and %V2 uses the adaptive method ...
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... NLIU) < LCVS The NLIU register is updated every 1 ms with the minimum non-zero value of LVCS in the last 30 ms. This allows the Si2457/34/15/04 to eliminate errors due to 50/60 Hz interference and also adapt to relatively slow change in the on-hook dc reference value on the telephone line. This algo- rithm does not allow any non-zero values for NLIU below 0x0007 ...
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... V.42 auto-reliable—The Si2457/34/15/04 attempts to connect with the V.42 protocol. If unsuc- cessful, the MNP protocol is attempted. If unsuccessful, wire mode is attempted. \N4 V.42 (LAPM) reliable mode (or drop call)—Same as \N3 except that the Si2457/34/15/04 drops the call instead of connecting in MNP or wire mode. \N5 V.42 and MNP reliable mode—The Si2457/34/15/04 attempts to connect with V.42. If unsuccessful, MNP is attempted ...
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... DTE rate—Change DTE rate. When the Si2457/34/15/04 is configured in autobaud mode (default), \T0 through \T15 will lock the new baud rate and disable autobaud. When the ISOmodem autobaud mode (the autobaud strap pin low on powerup), the result code “OK” is sent at the old DTE rate ...
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... This is compatible with seven data bits, no parity, two stop bits. Seven data bits, no parity, one stop bit may be forced by sending AT\T17\B1. 2. The autobaud feature does not detect this rate. 3. Default is \ pulldown resistor is connected to the autobaud strap pin; otherwise, the default is \T16. Si2457/34/15/04 Action Rev. 1.3 37 ...
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... No phone line present Notes: 1. This message is only supported on the Si2457, Si2434, and Si2415. 2. This message is only supported on the Si2457 and Si2434 the only verbal response code that does not follow the <CR><LF>Result Code<CR><LF> standard. There is no leading <CR><LF>. ...
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... Link established at 50666 Notes: 1. This message is only supported on the Si2457, Si2434, and Si2415. 2. This message is only supported on the Si2457 and Si2434 the only verbal response code that does not follow the <CR><LF>Result Code<CR><LF> standard. There is no leading <CR><LF>. ...
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... DTMF dial attempted on a pulse dial only line Notes: 1. This message is only supported on the Si2457, Si2434, and Si2415. 2. This message is only supported on the Si2457 and Si2434 the only verbal response code that does not follow the <CR><LF>Result Code<CR><LF> standard. There is no leading < ...
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... Carriage return character. 4 Linefeed character. 5 Backspace character. 6 Dial tone wait timer—Number of seconds the Si2457/ 34/15/04 waits before blind dialing. Only applicable if blind dialing is enabled (X0, X1, X3). 7 Carrier wait timer—Number of seconds the Si2457/34/ 15/04 waits for carrier before timing out. This register also sets the number of seconds the modem waits for ringback when originating a call before hanging up ...
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... Si2457/34/15/04 Table 13. 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 feature is disabled if the timer is set to 0. ...
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... Table 13. 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. If the blacklist memory is full, any dial to a new number will result in a “ ...
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... U-Registers are reserved. Any attempt to write a non-zero value to a reserved U-Register or bit may cause unpredictable modem operation. With over 100 U-Registers, the Si2457/34/15/04 offers an unprecedented level of programmability for a controller-based modem. A detailed list of these registers and their use is beyond the scope of this data sheet. Refer to “ ...
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... Serial data input to modem in SPI mode. Data input from DTE TXD pin in UART mode. 7 SCLK/CTS Serial Data Clock/Clear to Send. Signals that the Si2457/34/15/04 is ready to receive more digital data on the TXD pin. Serial data clock input in SPI mode. 8 RESET Reset Input. An active low input that is used to reset all control registers to a defined, initialized state ...
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... Si2457/34/15/04 Pin # Pin Name 12 GND Ground. Connects to the system digital ground Regulator Voltage Reference. A Connects to an external capacitor and serves as the reference for the internal voltage regulator. 14 ESC Escape. A positive edge on this pin causes the modem to go from online (connected) mode to the offline (command) mode ...
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... FSYNC/D6 Frame Sync/Data Bit. Frame Sync output to codec in serial mode. Bidirectional parallel bus data bit 6 in parallel mode VD3.3 Digital Supply Voltage. Provides the 3.3 V supply voltage to the Si2457/34/15/04 GND Ground. Connects to the system digital ground. 7,19 VDA, VDB Regulator Voltage Reference. ...
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... Active low write enable pin in parallel mode. 11 SCLK/CTS/CS Serial Data Clock/Clear to Send/Chip Select. Serial data clock input in SPI mode. Signals that the Si2457/34/15/04 is ready to receive more digital data on the TXD pin in data mode. Active low chip select in parallel mode. 12 RESET Reset Input ...
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... Connects to an external capacitor to provide bypassing for an internal power supply. 8 RNG1 Ring 1. Connects through a resistor to the RING lead of the telephone line. Provides the ring and caller ID signals to the Si2457/34/15/04. 9 RNG2 Ring 2. Connects through a resistor to the TIP lead of the telephone line. Provides the ring and caller ID signals to the Si2457/34/15/04 ...
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... Si2404 2400 bps *Note: Add an “R” at the end of the device to denote tape and reel option. 50 System-Side System-Side* Package 24-pin TSSOP Si2457-D-FT 16-pin SOIC Si2457-D-FS 24-pin TSSOP Si2434-D-FT 16-pin SOIC Si2434-D-FS 24-pin TSSOP Si2415-D-FT 16-pin SOIC Si2415-D-FS 24-pin TSSOP Si2404-D-FT ...
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... Package Markings (Top Markings) Codes for the Si2457-D-FT, Si2457-D-FS, Si2434-D-FT, Si2434-D-FS, Si2415-D-FT, Si2415-D-FS, Si2404-D-FT, Si2404-D-FS, Si3018-F-FS, and Si3010-F-FS top marks are as follows: Current Year Work Week Die Revision TTTTT = Trace Code Assembly Country Code 11.1. Si2457-D-FT Top Marking ...
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... Si2457/34/15/04 11.4. Si2434-D-FS Top Marking 11.5. Si2415-D-FT Top Marking 11.6. Si2415-D-FS Top Marking 11.7. Si2404-D-FT Top Marking 52 Figure 14. Si2434-D-FS Top Marking Figure 15. Si2415-D-FT Top Marking Figure 16. Si2415-D-FS Top Marking Figure 17. Si2404-D-FT Top Marking Rev. 1.3 ...
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... Si2404-D-FS Top Marking 11.9. Si3010-F-FS Top Marking 11.10. Si3018-F-FS Top Marking Figure 18. Si2404-D-FS Top Marking Figure 19. Si3010-F-FS Top Marking Figure 20. Si3018-F-FS Top Marking Rev. 1.3 Si2457/34/15/04 53 ...
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... Si2457/34/15/04 12. Package Outline: 24-Pin TSSOP Figure 21 illustrates the package details for the Si2457/34/15/04 24-pin packaging option. Table 15 lists the values for the dimensions shown in the illustration. Figure 21. 24-Pin Thin Shrink Small Outline Package (TSSOP) Table 15. Package Diagram Dimensions Dimension θ aaa ...
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... TSSOP Land Pattern Figure 22 illustrates the recommended land pattern for the Si2457/34/15/04 24-Pin TSSOP. Table 16 lists the values for the dimensions shown in the illustration. Figure 22. 24-Pin TSSOP Land Pattern Diagram Table 16. 24-Pin TSSOP PCB Land Pattern Dimension Notes: 1. This Land Pattern Design is based on IPC-7351 specifications for Density Level B (Median Land Protrusion) ...
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... Si2457/34/15/04 14. Package Outline: 16-Pin SOIC Figure 23 illustrates the package details for the Si2457/34/15/04 16-pin packaging option. Table 17 lists the values for the dimensions shown in the illustration. Figure 23. 16-Pin Small Outline Integrated Circuit (SOIC) Package 56 Rev. 1.3 ...
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... All dimensions shown are in millimeters (mm) unless otherwise noted. 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. 3. This drawing conforms to the JEDEC Solid State Outline MS-012, Variation AC. 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components. Rev. 1.3 Si2457/34/15/04 Min Max — 1.75 0.10 0.25 1.25 — ...
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... Si2457/34/15/04 15. 16-Pin SOIC Land Pattern Figure 24 illustrates the recommended land pattern for the Si2457/34/15/04 16-Pin SOIC. Table 18 lists the values for the dimensions shown in the illustration. Figure 24. 16-Pin SOIC Land Pattern Diagram Table 18. 16-Pin SOIC Land Pattern Dimensions Dimension Notes: General 1 ...
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... Added Si2404 information. Added 16-pin system-side option. Updated "4. Functional Description" on page 17. Added "7. Pin Descriptions: Si2457/34/15/04 (16-Pin Option)" on page 45. Updated "10. Ordering Guide" on page 50 to reflect part revision. Revision 1.0 to Revision 1.1 Added industrial temperature range devices. ...
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... Si2457/34/15/ ONTACT NFORMATION Silicon Laboratories Inc. 400 West Cesar Chavez Austin, TX 78701 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Please visit the Silicon Labs Technical Support web page: https://www.silabs.com/support/pages/contacttechnicalsupport.aspx and register to submit a technical support request. The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. ...