Zilog Z02215 User Manual
Zilog Sensors
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Table of contents
Document Outline
- Z02215
- This Product Update provides errata information for the Z02215 Single-Chip Modem.
- The following table lists the firmware versions identified in this errata.
- Problem: Some character sequences other than AT can cause the automatic detection of speed and pa...
- Solution: If the Z02215 fails to respond to a modem AT command, reset the Z02215.
- Problem: Off-hook and Pick-up detection do not work properly.
- Solution: None
- Problem: After reset, the Z02215 RI is set to 0V (active). This is incorrect. This may cause a ho...
- Solution: The state of the RI signal is corrected by the Z02215 when the telephone is placed on-h...
- Problem: When pick-up detection is enabled, the Z02215 will detect itself taking the telephone of...
- Solution: A software solution for outgoing calls is to dial:
- ATH1, DT1234567
- “H1” takes the telephone off-hook, “,” causes the Z02215 to wait the time in S-Register S8 (defau...
- Similarly, to answer the telephone, use
- ATH1,A
- Alternatively, design a pick-up detection circuit that does not respond for a sufficient period o...
- Problem: When unformatted caller ID option is used (AT#CID=0), the final octet of the caller ID p...
- Solution: No solution is possible. All data octets are passed onto the host as received but witho...