SI2493-D-FS Silicon Laboratories Inc, SI2493-D-FS Datasheet - Page 3
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SI2493-D-FS
Manufacturer Part Number
SI2493-D-FS
Description
IC ISOMODEM SYSTEM-SIDE 16SOIC
Manufacturer
Silicon Laboratories Inc
Specifications of SI2493-D-FS
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
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Section
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Modem (System-Side) Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
ABLE O F
1.1. Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1. Resetting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2. System Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3. Isolation Capacitor Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.4. Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.5. SSI/Voice Mode (24-Pin TSSOP and 38-Pin QFN Only) . . . . . . . . . . . . . . . . . . . . . . 30
2.6. EEPROM Interface (24-Pin TSSOP and 38-Pin QFN Only) . . . . . . . . . . . . . . . . . . . . 31
2.1.1. Reset Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1.2. Reset Strapping: General Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1.3. Reset-Strap Options for 16-Pin SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1.4. Reset-Strap Options for 24-Pin TSSOP Package . . . . . . . . . . . . . . . . . . . . . . 13
2.1.5. Reset Strapping Options for QFN Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2.1. Interface Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2.2. Interface Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2.3. UART Interface Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2.4. Parallel and SPI Interface Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.4.1. Power-Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.4.2. Wake-on-Ring Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.4.3. Sleep Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.6.1. Supported EEPROM Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.6.2. Three-Wire SPI Interface to EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2.6.3. Detailed EEPROM Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2.6.4. Boot Commands (Custom Defaults). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2.6.5. AT Command Macros (Customized AT Commands) . . . . . . . . . . . . . . . . . . . . 34
2.6.6. Firmware Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
2.1.4.1. Reset Strapping Options for TSSOP-24 with UART-Interface . . . . . . . . . 14
2.1.4.2. Reset Strapping Options for TSSOP-24 with Parallel-Interface. . . . . . . . 14
2.1.4.3. Reset Strapping Options for TSSOP with SPI-Interface . . . . . . . . . . . . . 15
2.1.5.1. Reset Strapping Options for QFN Parts with UART Operation . . . . . . . . 15
2.1.5.2. Reset Strapping Options for QFN Parts with SPI Operation . . . . . . . . . . 16
2.1.5.3. Reset Strapping Options for QFN Parts with Parallel Operation . . . . . . . 16
2.2.3.1. UART Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2.3.2. Autobaud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.2.3.3. Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.2.4.1. Hardware Interface Register 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.2.4.2. Hardware Interface Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.2.4.3. Parallel Interface Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.2.4.4. SPI Interface Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2.2.4.5. Interface Communication Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2.6.6.1. Boot Command Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
C
ONTENTS
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AN93
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