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PIC18F6680T-I/PT 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
TQFP-64
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PIC18F6680T-I/PT数据手册
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© 2007 Microchip Technology Inc. DS80162E-page 1
PIC18F6585/6680/8585/8680
The PIC18F6585/6680/8585/8680 Rev. A1 parts you
have received conform functionally to the Device Data
Sheet (DS30491C), except for the anomalies
described below. Any Data Sheet Clarification issues
related to the PIC18F6585/6680/8585/8680 will be
reported in a separate Data Sheet errata. Please check
the Microchip web site for any existing issues.
The following silicon errata apply only to
PIC18F6585/6680/8585/8680 devices with these
Device/Revision IDs:
All the issues listed here will be addressed in future
revisions of the PIC18F6585/6680/8585/8680 silicon.
1. Module: EUSART
If the transmitter is left enabled while the module is
performing an auto-baud operation, an arbitrary
data byte may get transmitted.
Work around
Clear TXEN (TXSTA<5>) before any auto-baud
operation and set it after auto-baud is complete.
Enable TXEN only when a data byte is to be
transmitted. Care must be taken to ensure that the
TX pin is pulled high, either through an external
resistor, or by making the TX pin an output and
writing ‘1’ to it to not disturb the transmit line.
Date Codes that pertain to this issue:
All engineering and production devices.
2. Module: EUSART
This module may perform incorrect auto-baud
calculation if the ABDEN (BAUDCON<0>) bit was
set while the receive pin was at a low level.
Work around
Wait for the RX pin to go high and then set the
ABDEN bit.
Date Codes that pertain to this issue:
All engineering and production devices.
3. Module: EUSART
In Asynchronous Receiver mode, the EUSART
does not load the SPBRGH value after completion
of auto-baud.
Work around
Do not enable the BRG16 (BAUDCON<3>) bit.
If the BRG16 is in use, ensure that the auto-baud
SPBRG value does not exceed the 8-bit value.
Date Codes that pertain to this issue:
All engineering and production devices.
4. Module: EUSART
The CREN (RCSTA<4>) bit is cleared after every
auto-baud operation.
Work around
Upon completion of auto-baud, manually set the
CREN bit.
Date Codes that pertain to this issue:
All engineering and production devices.
5. Module: CCP2
CCP2CON<3:0> value of ‘1110’ or ‘1111’
produces incorrect PWM output.
Work around
Use CCP2CON<3:0> value of ‘110x’ for PWM
mode.
Date Codes that pertain to this issue:
All engineering and production devices.
Part Number Device ID Revision ID
PIC18F6585 0000 1010 011 0 0001
PIC18F6680 0000 1010 001 0 0001
PIC18F8585 0000 1010 010 0 0001
PIC18F8680 0000 1010 000 0 0001
The Device IDs (DEVID1 and DEVID2) are located at
addresses 3FFFFEh:3FFFFFh in the device’s
configuration space. They are shown in hexadecimal
in the format “DEVID2 DEVID1”.
PIC18F6585/6680/8585/8680 Rev. A1 Silicon Errata
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