Microchip DSPIC33FJXXXGPXXX Silicon erratum Datasheet

dsPIC33FJXXXGPXXX/
dsPIC33FJXXXMCXXX
dsPIC33F Engineering Samples Rev. A0 Silicon Errata
dsPIC33FJXXXGPXXX,
dsPIC33FJXXXMCXXX
(Rev. A0) Silicon Errata
Silicon Errata Summary
The dsPIC33F Engineering Samples (Rev. A0) you
received were found to conform to the specifications
and functionality described in the following documents:
1.
• DS70165 – “dsPIC33F Family Data Sheet”
• DS70157 – “dsPIC30F/dsPIC33F Programmer’s
Reference Manual”
• DS70046 – “dsPIC30F Family Reference Manual”
2.
The exceptions to the specifications in the documents
listed above are described in this section. The specific
devices for which these exceptions are described are
listed below:
•
•
•
•
•
•
•
•
•
•
•
•
•
dsPIC33FJ64GP706
dsPIC33FJ64GP708
dsPIC33FJ64GP710
dsPIC33FJ128GP706
dsPIC33FJ128GP708
dsPIC33FJ256GP506
dsPIC33FJ256GP710
dsPIC33FJ64MC706
dsPIC33FJ64MC508
dsPIC33FJ64MC710
dsPIC33FJ128MC706
dsPIC33FJ128MC708
dsPIC33FJ256MC710
The following list summarizes the errata described in
further detail through the remainder of this document:
SPI with 1:1 Prescaler
The SPI modules do not function correctly when
the SPI clock prescale ratio is set to 1:1.
SPI Master Reception for Bit Rates above 8
Mbps
SPI Master reception does not function correctly at
bit rates higher than 8 Mbps, if the data is sampled
at the middle of the serial clock period.
3.
ADC with Sample/Hold CH3
Sample/Hold amplifier CH3 does not function
correctly for the Analog-to-Digital Converter
modules.
4.
LATC and LATD Reads
The LATC and LATD register reads do not
function.
5.
DMA Single-Shot Mode
The Direct Memory Access Single-Shot mode
does not function correctly.
The following sections will describe the errata and work
around to these errata, where they may apply.
dsPIC33F Rev. A0 silicon is identified by performing a
“Reset and Connect” operation to the device using
MPLAB® ICD 2 with MPLAB IDE v7.31 or later. The
following text is then visible under the MPLAB ICD 2
section in the output window in MPLAB IDE:
Setting Vdd source to target
Target
Device
dsPIC33FJ256GP710
found, revision = Rev 0x3000
...Reading ICD Product ID
Running ICD Self Test
...Passed
MPLAB ICD 2 Ready
The errata described in this section will be addressed
in future revisions of silicon.
© 2006 Microchip Technology Inc.
DS80259A-page 1
dsPIC33F ENGINEERING SAMPLES
1. Module: SPI with 1:1 Prescaler
The SPI1 and SPI2 modules do not generate any
serial clock signals and, therefore, do not function
correctly for the following values of the
PPRE<1:0>
(SPIxCON1<1:0>)
and
the
SPRE<2:0> (SPIxCON1<4:2>) bits:
• PPRE = 11, SPRE = 111
Work around
Users may set up the SPI module with any
prescale ratio other than 1:1.
2. Module: SPI Master Reception for Bit
Rates above 8 Mbps
Master mode receptions using the SPI1 and SPI2
module do not function correctly for bit rates above
8 Mbps if the Master has the SMP bit
(SPIxCON1<9>) cleared (Master samples data at
the middle of the serial clock period).
In this case, the data transmitted by the Slave is
received shifted right by one bit by the Master. For
example, if the data transmitted by the Slave was
0xAAAA, the data received by the Master would be
0x5555 (0xAAAA shifted right by one bit).
Work around
Users may set up the SPI module so that the bit
rate is 8 Mbps or lower.
Alternatively, the bit rate can be configured higher
than 8 Mbps, but the SMP bit (SPIxCON1<9>) of
the SPI Master must be set (Master samples data
at the end of the serial clock period).
3. Module: ADC with Sample/Hold CH3
The Sample/Hold amplifier CH3 does not function
correctly when used with the Analog-to-Digital
Converter (ADC) modules. The corresponding
conversion result is always read as 0x0000.
Work around
Do not use the Sample/Hold amplifier CH3 with the
ADC1 or ADC2 module. You may use CH0, CH1
and CH2.
DS80259A-page 2
4. Module: LATC and LATD Reads
The LATC and LATD register reads do not function. Performing a read or read-modify-write operation on the LATC register or the LATD register will
not function.
Do not perform read or read-modify-write operations on the LATC and LATD registers. Inspect the
disassembly listing of any user application software that may be accessing the LATC or LATD
register, to ensure that read or read-modify-write
operations are not being performed on these
registers.
To verify the contents of the LATC register, perform
the following steps:
• Write to LATC
• Make a PORTC pin an output
• Read the PORTC register
The same steps can be performed to verify the
contents of the LATD register.
Note: The Port pin state, and therefore the read
value, depends on the load attached to the
Port pin.
5. Module: DMA Single-Shot Mode
The DMA Single-Shot mode does not function correctly for more than one block transfer. After one
block transfer, the DMA channel becomes
unusable until a device reset occurs.
Work around
If more than one DMA data block transfers are
required during the entire program execution, the
user application may set up the required DMA
channel to operate in Continuous mode, and disable the DMA channel every time the
corresponding DMA interrupt has occurred.
However, if only one DMA data block transfer is
required for a particular DMA channel during the
entire program execution, the Single-Shot mode
may be used.
© 2006 Microchip Technology Inc.
dsPIC33F ENGINEERING SAMPLES
APPENDIX A:
REVISION HISTORY
Revision A (2/2006)
First release of the document.
© 2006 Microchip Technology Inc.
DS80259A-page 3
dsPIC33F ENGINEERING SAMPLES
NOTES:
DS80259A-page 4
© 2006 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED,
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RELATED TO THE INFORMATION, INCLUDING BUT NOT
LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE,
MERCHANTABILITY OR FITNESS FOR PURPOSE.
Microchip disclaims all liability arising from this information and
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use. No licenses are conveyed, implicitly or otherwise, under
any Microchip intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, microID, MPLAB, PIC, PICmicro, PICSTART,
PRO MATE, PowerSmart, rfPIC, and SmartShunt are
registered trademarks of Microchip Technology Incorporated
in the U.S.A. and other countries.
AmpLab, FilterLab, Migratable Memory, MXDEV, MXLAB,
SEEVAL, SmartSensor and The Embedded Control Solutions
Company are registered trademarks of Microchip Technology
Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, dsPICDEM,
dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR,
FanSense, FlexROM, fuzzyLAB, In-Circuit Serial
Programming, ICSP, ICEPIC, Linear Active Thermistor,
MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM,
PICDEM.net, PICLAB, PICtail, PowerCal, PowerInfo,
PowerMate, PowerTool, Real ICE, rfLAB, rfPICDEM, Select
Mode, Smart Serial, SmartTel, Total Endurance, UNI/O,
WiperLock and Zena are trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2006, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received ISO/TS-16949:2002 quality system certification for
its worldwide headquarters, design and wafer fabrication facilities in
Chandler and Tempe, Arizona and Mountain View, California in
October 2003. The Company’s quality system processes and
procedures are for its PICmicro® 8-bit MCUs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
© 2006 Microchip Technology Inc.
DS80259A-page 5
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*DS80259A*
10/31/05
DS80259A-page 6
© 2006 Microchip Technology Inc.
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