PDL Firmware 2.40 Release Notes

            File Name: pdl2p40.fw
         Release Date: April 28, 2004
             Checksum: 0xC28F
  Applicable Products: PDLHPB, PDLRVR, PDLRTS,
                     : PDLLPB, PDLRXO, PDLEURO,
                     : EDL
Software Requirements: PDLCONF revision 2.00 or higher
                     : EDL Config Program revision 1.00 or higher
         Availability: Contact PCC engineering

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Features/Enhancements over 2.32

* Improved 4LFSK performance at 9600 bps data rate
* Fixed compatibility problem with Trimble (TrimTalk 450S)
* Fixed warm reset
* Added softbreak disable feature
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Features/Enhancements over 2.31

* Reduced power-up RF amp potential for oscillation (PDLHPB only)
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Features/Enhancements over 2.30

* Fixed power-up HILO amp control signal initialization
* Masked interrupts during EEPROM programming to reduce corruption
* Added E19 error code for mis-programmed EEPROM diagnostic
* Improved button responsiveness
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Features/Enhancements over 2.20

* Fixed channel memory bug
* Improved soft-break reliability
* Removed EEPROM write operations on power-down or error to
  reduces chances of memory corruption
* Decreased the rx synthesizer load time
* Improved error handler to show EEPROM sources of error
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Features/Enhancements over 2.10

* Compatible with Trimble(TM) 5800 new product
* Improved repeater performance in Trimble(TM) operating modes
* Supports LDMOS amplifier module
* Supports the PDL RTS product (new)
* Auto-off feature if voltage during TX drops below predifined levels
* Fixed soft-break to command mode bugs
* Improved robustness of "program" to prevent settings corruption
* Added charger sense algorithm to detect faulty charger (PDLRVR)
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Features/Enhancements over 2.01

* Supports the EDL product (new)
* Improved acquisition algorithm
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Features/Enhancements over 2.00

* Fixed bug in PDL HPB power control circuit
* Implemented auto-shutdown at 9VDC level - regulatory requirement
* Adjusted synthesizer load timing to reduce out-of-band transient
* Fixed bug that required extra button push after FW load
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Features/Enhancements over 1.11

* Supports the PDL Low Power Base (new product)
* Supports Trimble compatible modes at 9600 link rate
* Fixed timer roll-over bug
* Fixed bug in RXISR to improve noise immunity
* Changed synthesizer load timing to reduce LO interference
* Fixed bug that caused data size dependent packet errors
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Pacific Crest Corporation
990 Richard Avenue, Suite 110
Santa Clara, CA  95050
Tel: (408) 653-2070
Fax: (408) 748-9985
E-Mail: support@paccrst.com
URL: www.paccrst.com

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