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PIC18F85J90T-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-80
描述:
PIC18F 系列 32 KB 闪存 2 KB RAM 40 MHz 8-位 微控制器 - TQFP-80
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PIC18F85J90T-I/PT数据手册
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© 2009 Microchip Technology Inc. DS80472A-page 1
PIC18F85J90 FAMILY
The PIC18F85J90 family Rev. A5 parts you have
received conform functionally to the Device Data Sheet
(DS39770B), except for the anomalies described
below. Any Data Sheet Clarification issues related to
the PIC18F85J90 family appear in a separate Data
Sheet errata. Please check the Microchip web site for
any existing issues.
The following silicon errata apply only to
PIC18F85J90 family devices with these Device/
Revision IDs:
All of the issues listed here will be addressed in future
revisions of the PIC18F85J90 family silicon.
1. Module: Timer1/3
When either Timer1 or Timer3 is configured for the
internal clock source (F
OSC/4, TxCON<1>
(TMRxCS) = 0) and in the 8/16-Bit Counter mode
(TxCON<7> (RD16) = 0 or 1), TMRxH and TMRxL
will not increment on the instruction that turns off
the counter (TxCON<0> (TMRxON) = 0).
Work around
None.
Date Codes that pertain to this issue:
All engineering and production devices.
2. Module: Timer1/3
When either Timer1 or Timer3 is in the 8/16-Bit
Counter mode (TxCON<7> (RD16) = 0 or 1),
incrementing the prescale value (TxCON<5:4>
(TxCKPS<1:0>)) will take an additional count at
the previous value before the prescale value is
updated.
For example, changing the prescale value from 1:4
to 1:8 will occur four instruction cycles after the
execution of the instruction to update the
prescaler.
Work around
None.
Date Codes that pertain to this issue:
All engineering and production devices.
3. Module: Reset
When a Brown-out Reset (BOR) occurs and the
BOR
bit is reset, the Power-on Reset (POR) bit
also may be reset. The resulting state matches
that of the RCON register following a Power-on
Reset event.
Consequently, an application may not be able to
detect whether a BOR or POR event has occurred.
Work around
None.
Date Codes that pertain to this issue:
All engineering and production devices.
Part Number Device ID Revision ID
PIC18F63J90 0011 1000 000 0 0101
PIC18F64J90 0011 1000 001 0 0101
PIC18F65J90 0011 1000 011 0 0101
PIC18F83J90 0011 1000 100 0 0101
PIC18F84J90 0011 1000 101 0 0101
PIC18F85J90 0011 1000 111 0 0101
The Device IDs (DEVID1 and DEVID2) are located at
addresses 3FFFFEh:3FFFFFh in the device’s
configuration space. They are shown in binary in the
format “DEVID2 DEVID1”.
PIC18F85J90 Family Rev. A5 Silicon Errata
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