SI2493FT18-EVB Silicon Laboratories Inc, SI2493FT18-EVB Datasheet
SI2493FT18-EVB
Specifications of SI2493FT18-EVB
Related parts for SI2493FT18-EVB
SI2493FT18-EVB Summary of contents
Page 1
...
Page 2
Global ISOmodem-EVB 1. Si2493/57/34/15/04-EVB Setup and Evaluation This section explains how to set up the Si2493/57/34/ 15/04-EVB for evaluation as an RS-232 or USB interface modem. Jumper settings, power connection, PC/terminal connections, and configuration settings are given. The initial modem ...
Page 3
Figure 2. 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 ...
Page 4
Global ISOmodem-EVB Figure 4. Standard Factory Jumper Settings—USB Interface (Outlined in Gray) (FS Option) 1.4. Power Requirements The Si2493/57/34/15/04-EVB has an on-board diode bridge, filter capacitor, and voltage regulator (U1). Power can be supplied from any source capable of providing ...
Page 5
Next, type “ATH<cr>” or “ATH0<cr>”, and the modem should hang up (go on-hook) and stop drawing loop current. To make a modem connection, type “ATDT(called modem phone number)<cr>.” Once the connection is established, a ...
Page 6
Global ISOmodem-EVB Figure 13 on page 17 and Figure 15 on page 19 for the reset circuit schematic. 2.1.3. DS1818 The DS1818 is a small, low-cost device that monitors the voltage on V and an external reset pushbutton ...
Page 7
PCM Interface (FT Only) The Si2493/57/34/15/04 PCM interface is available on JP4. Table 3 lists the pin connections for JP4 designed to connect directly to the Si3000SSI-EVB JP6. J1 Name Carrier Detect Received Data Transmit Data Data Terminal Ready ...
Page 8
Global ISOmodem-EVB Figure 6. Jumper Settings for Direct Access Interface (FT Option) Figure 7. Jumper Settings for Direct Access Interface (FS Option) 8 Rev. 0.6 ...
Page 9
The block diagram in Figure 8 shows how the two evaluation boards are connected to demonstrate voice mode operation. Si3000 Daughterboard JP5 1 2 SW2 JP4 SW3 2 1 JP6 Direct Connection JP4 RS232 COM 1 Figure 8. Connection Block ...
Page 10
Global ISOmodem-EVB Figure 10 shows the actual circuit connection between the Si2493/57/34/15/04 and the Si3000 (PIN 4) MUST NOT HAVE PULLDOWN RESISTOR DCDb ESC AOUT RIb RTSb RXD TXD CTSb ...
Page 11
AT Commands AT:U71,11 Configure modem to send/receive data in linear mode to/from Si3000 interface AT*Y254:W0059,7785 Enable Si2457 modem TDMA’s interface by setting LSBit of memory 0x0059 AT*Y254:W004B,011C Write to Si3000 Control Reg1: Line Driver, Handset Driver, and Micro- phone Bias ...
Page 12
Global ISOmodem-EVB 2.2. Voice Mode Example Perform the following steps: 1. Connect hardware as shown in Figure 8 on page 9. Note that the Si3000 Evaluation Board requires an external 12 V supply and derives 5 V power from the ...
Page 13
Audio Output Audio output is provided from the Si2457/34/15 on the AOUT pin. This signal allows the user to monitor call progress signals, such as dial tone, DTMF dialing, ring, busy signals, and modem negotiation. Control of this signal ...
Page 14
Global ISOmodem-EVB GND 12 VD3 VDB 19 VDA 7 3.3 VD GND 21 20 VD3.3 GND 5 6 Rev. 0.6 ...
Page 15
Rev. 0 IGND 15 15 ...
Page 16
Global ISOmodem-EVB 4. Bill of Materials: Si24xx Daughter Card Item Quantity Reference 1 2 C2, C5,C6,C50 C9, C10 8 2 C41,C40 9 1 C51 10 ...
Page 17
EESD_H EECLK_H EECS_H Rev. 0 RESET PUSHBUTTON SW 17 ...
Page 18
Global ISOmodem-EVB 18 Rev. 0.6 ...
Page 19
GND Rev. 0.6 19 ...
Page 20
Global ISOmodem-EVB VCC 26 20 GND 2 Rev. 0.6 ...
Page 21
C20 R3 AOUT 0 Figure 17. Audio Amplifier Schematic "CTS_U" TP12 "RXD_U" TP13 TXD_U RXD_U RTS_U CTS_U TXD_T RXD_T RTS_T CTS_T TP14 "RXD_T" TP15 "CTS_T" DTR_U DSR_U CD_U RI_U DTR_T DSR_T CD_T RI_T G ...
Page 22
Global ISOmodem-EVB USB_VCC U11 1 5 USB USB+ GMS05F VBUS 7 REGIN SUSPEND 6 VDD C29 C31 + SUSPEND 1 GND CP2101/02 Figure 19. USB Interface Schematic Rev. ...
Page 23
Bill of Materials: Si24xx Motherboard Item Quantity Reference 1 5 C1,C3,C12,C15,C29 2 4 C2,C4,C11,C13 C7, C10, C14,C16,C17,C18,C19,C2 0,C22,C23,C31,C32 8 1 C21 9 1 C24 10 4 D1,D2,D3,D4 ...
Page 24
Global ISOmodem-EVB 24 Rev. 0.6 ...
Page 25
Rev. 0.6 25 ...
Page 26
Global ISOmodem-EVB 26 Rev. 0.6 ...
Page 27
Rev. 0.6 27 ...
Page 28
Global ISOmodem-EVB 28 Rev. 0.6 ...
Page 29
Rev. 0.6 29 ...
Page 30
Global ISOmodem-EVB 30 Rev. 0.6 ...
Page 31
Rev. 0.6 31 ...
Page 32
Global ISOmodem-EVB 32 Rev. 0.6 ...
Page 33
Rev. 0.6 33 ...
Page 34
Global ISOmodem-EVB 6. Complete Design Package on CD (See Sales Representative for Details) Silicon Laboratories can provide a complete design package of the Si2493/57/34/15/04-EVB including the following: OrCad Schematics Gerber Files BOM Documentation Please contact your local sales representative or ...
Page 35
OCUMENT HANGE IST Revision 0.2 to Revision 0.3 Updated Figure 21, “Daughter Card Solder Side Silkscreen,” on page 25 Updated Figure 22, “Daughter Card Component Side Layout,” on page 26 Updated Figure 23, “Daughter Card Solder Side ...
Page 36
... 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 trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. ...