Silicon Laboratories SI2494/39 manual Revision 0.5 to Revision, Revision 0.6 to Revision

AN93

DOCUMENT CHANGE LIST

Revision 0.5 to Revision 0.6

Added Si2493 to title.

Added V.92 information.

Added V.44 information.

Added and expanded several AT+ commands.

Added U71 and U9F-UAA registers.

Corrected CTS* trigger points.

Added note for U70 configuration for Australia and Brazil

Expanded "5.14. Legacy Synchronous DCE Mode/ V.80 Synchronous Access Mode".

Added "2.5. PCM/Voice Mode (24-Pin TSSOP and 38-Pin QFN Only)".

Added "6.4. SMS Support".

Added "6.5. Type II Caller ID/SAS Detection".

Added "6.7. Modem-On-Hold".

Added "6.12. V.92 Quick Connect".

Revision 0.6 to Revision 0.7

Added V.29 FC to Table 1.

Updated part numbers in "4.3. Bill of Materials".

Updated EE section and example code.

Updated Table 46, “U-Register Descriptions,” on page 91.

Updated U63 bit map.

Updated U7D bit map

Updated “22.1. Country Register Settings for CTR/ TBR21 ATAAB and CTR21 Type Countries” on page 138.

Corrected New Zealand Pulse dial settings in “22.20 Country Register Settings for New Zealand” on page 147.

Updated Table 102 on page 163.

Deleted references to U69 (now for internal use only).

Revision 0.7 to Revision 0.8

Updates to Registers CALT and GEND.

Revision 0.8 to Revision 0.9

Document format changes.

Minor text edits.

Deleted Legacy-Synchronous mode.

Updated layout guidelines.

Updated country configuration tables.

Added “Appendix C—Si3008 Supplement”.

Added “Appendix D—EPOS Application”.

Revision 0.9 to Revision 1.0

Added “Appendix D—Si3006/3009 Supplement” for for 3006 and 3009 DAA support.

Revision 1.0 to Revision 1.1

Major revision to reflect the latest Si24xx ISOmodem product offerings.

Added support for new product features: SPI interface and 32.768 kHz clock input.

Added software support for parallel and SPI interfaces.

Revision 1.1 to Revision 1.2

Correction to SPI and 32.768 kHz and SPI strapping tables.

Added several registers.

Removed Appendix D.

Updated for Si2493/57/34/15/04 Revision D.

Added Si2493 and Si2439 configuration and voice functions.

Revision 1.2 to Revision 1.3

Added Si2494 and Si2439 configuration and voice functions.

Added "2.5. SSI/Voice Mode (24-Pin TSSOP and 38- Pin QFN Only)" on page 30.

Added "5.13. EPOS (Electronic Point of Sale) Applications" on page 125.

Added "7. Handset, TAM, and Speakerphone Operation" on page 173.

Added "8. Security Protocols" on page 224.

Added "9. Chinese ePOS SMS" on page 234.

Rev. 1.3 303