Silicon Laboratories Si2493/57/34/15/04-EVB Manual Download Page 15

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S i 2 4 9 3 / 5 7 / 3 4 / 1 5 / 0 4

Rev. 0.6

C1A

C2A

TIP

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Ring Detec

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Hookswit

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R13

R16

R11

C10

R10

R12

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Si3010/18

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C1B

C2B

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RNG1

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IGND

DCT3

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Summary of Contents for Si2493/57/34/15/04-EVB

Page 1: ...5 04 ISOmodem in an embedded system the daughter card can be used independently of or with the motherboard A direct access header JP3 is available on the motherboard to bypass the RS 232 transceivers and connect the Si2493 57 34 15 04 ISOmodem directly to a target system An on board rectifier filter and voltage regulator allow the power input to be 7 5 13 V ac or dc either polarity supplied throug...

Page 2: ...5 04 EVB Quick Start USB Interface 1 Set jumpers according to Figure 3 or Figure 4 2 Connect USB cable to PC RJ 11 to phone line or test box 3 Download USB driver for your operating system from the CD supplied with the evaluation board 4 Install driver 5 Bring up Reset the modem Autobaud automatically adjusts modem DTE speed and protocol 6 Type AT followed by a carriage return Should echo AT and t...

Page 3: ... Standard Factory Jumper Settings RS 232 Interface Outlined in Gray FS Option Figure 3 Standard Factory Jumper Settings USB Interface Outlined in Gray FT Option Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 4: ...e DB9 connector on the Si2493 57 34 15 04 EVB with a pass through cable The RS 232 transceivers on the EVB can communicate with the DTE at rates up to 1 Mbps Any standard terminal program such as HyperTerminal or ProComm running on a PC communicates with the Si2493 57 34 15 04 EVB The standard factory jumper configuration has autobaud enabled Autobaud detects the DTE speed data length parity and n...

Page 5: ...mbedded systems The Si24xxURT EVB motherboard connects to the daughter card through two connectors JP1 and JP2 JP1 is an 8x2 socket providing connection to all Si2493 57 34 15 04 digital signals and regulated 3 3 V power for the Si2493 57 34 15 04 The Si2493 57 34 15 04 digital signals appearing at JP1 daughter card interface are LVCMOS and TTL compatible The Si2493 57 34 15 04 daughter card must ...

Page 6: ...jumper settings illustrated in Figure 1 on page 2 The Maxim MAX3237 transceiver interfaces directly with the TTL levels available at the serial interface of the Si2493 57 34 15 04 and using internal charge pumps makes these signals compatible with the RS 232 standard The RS 232 transceiver on the Si2493 57 34 15 04 EVB can communicate at rates between 300 bps and 1 Mbps This simplifies the connect...

Page 7: ...See note ESC RI Signal Ground SG 5 6 GND Data Set Ready DSR 6 See note INT AOUT Ready to Send RTS 7 See note RTS RXCLK Clear to Send CTS 8 11 CTS Ring Indicator RD 9 17 RI Note JP6 jumper option Table 3 JP 4 PCM Interface Pin Connections JP 4 Pin Board Signal Si24xx Pin Si24xx Signal 1 CLKOUT_H 3 CLKOUT 2 TXCLK_H 4 FSYNC 3 GND 6 20 GND 4 GND 6 20 GND 5 RXCLK_H 24 SDO 6 EESD_H 18 SDI 7 RESETb 12 RE...

Page 8: ...e FT Option Figure 7 Jumper Settings for Direct Access Interface FS Option Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 9: ...side on the Si3000 Daughterboard NOT to the RJ11 on motherboard Look for silk screen marking HDST COM 1 Windows PC WAN Si3000 Daughterboard Telephone JP4 J 6 12V GND External 12V Supply Si3000SSI EVB Motherboard J6 of Daughterboard Leave J3 unconnected Power is provided through JP 6 connector Note M1 and M0 jumper settings Power Adapter JP4 RS232 Si24xx DC J4 RJ11 Speaker Mic Line In Line Out RJ11...

Page 10: ... the Si3000 the Si2493 57 34 15 04 modem chip provides a PCM control port 0x004B that allows the user to send control words across by using the AT memory write command See Table 4 for details Wait for the OK approximately 300 ms after each command When a connection is established the AT command is used to generate the DTMF tone of a number For example AT 3 CR will generate a number 3 DTMF tone wit...

Page 11: ... Y254 W004B 0400 Write to Si3000 Control Reg4 PLL Divider M1 AT Y254 W004B 055A Write to Si3000 Control Reg5 Line In Mic In Handset In FIR are acti vated AT Y254 W004B 067F Write to Si3000 Control Reg6 Line Out Handset Out are activated AT Y254 W004B 075F Write to Si3000 Control Reg7 SPKR_L SPLR_R are activated ATH1 Off hook command for calling AT 1 Dial individual number 1 AT 0 Dial individual nu...

Page 12: ...ed LINEI input disabled AT Y254 W004B 065D Si3000 Reg 06 6D Activate HDST as output Keep LINEO muted 0 db Receive Gain Setting AT Y254 W004B 075C Si3000 Reg 07 5C 0 dB Transmit Gain Keep SPKRx muted 3 Type ATDTnnn where nnn represents the telephone number of the remote telephone 4 The remote phone rings and should be picked up 5 Also pick up the local phone connected to the Si3000 Evaluation Board...

Page 13: ... embedded system The daughter card requires a 3 3 V supply capable of providing at least 35 mA and communicates with the system via LVCMOS TTL compatible digital signals on JP1 The RJ 11 jack TIP and RING is connected via JP2 Be sure to provide the proper power on reset pulse to the daughter card if it is used in the stand alone mode 2 3 1 Reset Requirements The Si2457 34 15 ISOmodem daughter card...

Page 14: ... XTALO 2 CLKOUT A0 EECS 3 alt_RI D6 TXCLK 4 VD3 3 5 GND 6 VDA 7 RTS D7 8 VDB 19 GND 20 VD 3 3 21 C2A 13 C1A 14 ESC D3 22 DCD D4 23 EECLK D5 RXCLK 24 CTS CS ALE 11 RXD RD 9 TXD WR 10 RESET 12 RI D1 17 EEIO D2 18 AOUT INT 15 INT D0 16 C50 C55 Y1 1 2 R21 C53 U1 Si2401 CLKIN XTALI 1 XTALO 2 GPIO5 RI TXCLK 3 VD3 3 4 RXD 5 TXD 6 CTS 7 RESET 8 C2A 9 C1A 10 GPIO4 INT AOUT 11 GND 12 VA 13 GPIO3 ESC 14 GPIO...

Page 15: ...16 IGND 15 DCT3 14 QB 13 QE2 12 SC 11 VREG2 10 RNG2 9 C6 D1 Z1 C1 C8 Q1 R3 R15 C3 FB1 R6 R7 R9 Figure 12 Si3018 10 DAA Schematic Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded ...

Page 16: ...0 2W 2491FT Venkel 23 2 R5 R6 100 K 1 16 W 5 0402 CR0402 16W 104JT Venkel 24 2 R8 R7 20 M 1 8 W 5 0805 CR0805 8W 206JT Venkel 25 1 R9 1 M 1 16 W 1 0402 CR0402 16W 1004FT Venkel 26 1 R10 536 1 4 W 1 1206 CR1206 4W 5360FT Venkel 27 1 R11 73 2 1 2 W 1 1210 CR1210 2W 73R2FT Venkel 28 4 R12 R13 R15 R16 0 1 16 W 1 0603 CR0603 16W 000F Venkel 29 1 U3 Si24xx 24pin TSSOP Silicon Laboratories 30 1 U2 Si3018...

Page 17: ...11 10k JP3 HEADER 8X2 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 R1 0 NI JP13 JP6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R2 LS1 Speaker B1 RS 232 RXD_T CTS_T RTS_T DTR_T DSR_T CD_T RI_T TXD_R DTR_R DSR_R RXD_R RD_R CD_R CTS_R TXD_T RTS_R C32 J3 Power Connector 1 2 J5 USB Type B 1 2 3 4 5 R7 0 B2 USB RXD_U CTS_U DSR_U CD_U RI_U TXD_U RTS_R DTR_U USB USB R12 10k TP7 R8 1 3k J4 2 1 mm Power jack 1 2 B5 Daug...

Page 18: ...1 12 9 10 7 8 6 NC NC CLKOUT Si2400 1 NC 3 4 5 Net names correspond to Si24xx See table for Si2400 equivalents 2 Table NOT on silkscreen NC JP1 3 R17 10k JP2 JP1 SOCKET 8X2 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 R26 1 3k C3 1 0 uF C4 470 pF FB2 C1 1 0 uF C2 470 pF Figure 14 Daughter Card Interface Schematic Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fr...

Page 19: ... 10 uF R13 1 6 R16 110k R15 0 D2 D5 BAT54C TP17 TP5 Figure 15 Power Supply Schematic Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Page 20: ...3IN 11 MBAUD 15 SHDN 14 D6 MMBZ15VDC R30 10k R29 10k C19 R32 10k NI C16 FB3 TP11 D10 MMBZ15VDC TP10 R31 10k NI Figure 16 RS 232 Interface Schematic Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Ar...

Page 21: ...2 10 4B2 13 OE 15 S 1 R19 10k U7 74CBT3257 SO 1B1 2 2B1 5 3B1 11 4B1 14 1A 4 2A 7 3A 9 4A 12 1B2 3 2B2 6 3B2 10 4B2 13 OE 15 S 1 TP12 R18 10k Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow co...

Page 22: ...aded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from ...

Page 23: ...l 28 1 R3 47 k 1 10 W 5 RC0805 NRC10J473TR NIC Components 29 1 R4 3 k 1 10 W 5 RC0805 NRC10J302TR NIC Components 30 1 R5 10 1 10 W 1 RC0805 NRC10F10R0TR NIC Components 31 2 R26 R8 1 3k 1 16 W 5 RC0603 CR0603 16W 132JT Venkel 32 10 R10 R11 R12 R17 R18 R1 9 R28 R29 R30 R33 10k 1 16 W 5 RC0603 CR0603 16W 103JT Venkel 33 1 R13 1 6 1 8 W 0 05 RC1206 CR1206 8W 1R6JT Venkel 34 1 R14 196k RC0805 MCHRIDEZH...

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Page 26: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

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Page 36: ...eapons Trademark Information Silicon Laboratories Inc Silicon Laboratories Silicon Labs SiLabs and the Silicon Labs logo CMEMS EFM EFM32 EFR Energy Micro Energy Micro logo and combinations thereof the world s most energy friendly microcontrollers Ember EZLink EZMac EZRadio EZRadioPRO DSPLL ISOmodem Precision32 ProSLIC SiPHY USBXpress and others are trademarks or registered trademarks of Silicon La...

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