Information

PIC16F631/677/685/687/689/690
DS80243M-page 2  2010 Microchip Technology Inc.
TABLE 2: SILICON ISSUE SUMMARY (PIC16F631)
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A1
Timer1 Ext. Crystal 5.1 Overflow may take additional count. X
Timer1 Ext. Crystal 5.2 Oscillator may stop running at low temps. X
Timer1 Ext. Crystal 5.3 Sleep in LP mode disables T1OSC. X
WDT/Timer0 Prescaler 6. Spurious Reset may occur. X
Note 1: Only those issues indicated in the last column apply to the current silicon revision.
TABLE 3: SILICON ISSUE SUMMARY (PIC16F677)
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A1
SSP Start Bit 2.1 Fail to recognize Start bit.
SSP SSPIF Flag 2.2 SSPIF flag set on first reception only. X
ADC/INTOSC Freq. Disturbance 4. Oscillator may stop running at low temps. X
Timer1 Ext. Crystal 5.1 Overflow may take additional count. X
Timer1 Ext. Crystal 5.2 Oscillator may stop running at low temps. X
Timer1 Ext. Crystal 5.3 Sleep in LP mode disables T1OSC. X
WDT/Timer0 Prescaler 6. Spurious Reset may occur. X
Note 1: Only those issues indicated in the last column apply to the current silicon revision.
TABLE 4: SILICON ISSUE SUMMARY (PIC16F685)
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A3 A4 A5 A6
ECCP Auto-Shutdown 3. Overflow may take additional count. X X
ADC/INTOSC Freq. Disturbance 4. Oscillator may stop running at low temps. X X X X
Timer1 Ext. Crystal 5.1 Overflow may take additional count. X X X X
Timer1 Ext. Crystal 5.2 Oscillator may stop running at low temps. X X X X
Timer1 Ext. Crystal 5.3 Sleep in LP mode disables T1OSC. X X X X
WDT/Timer0 Prescaler 6. Spurious Reset may occur. X X X X
Note 1: Only those issues indicated in the last column apply to the current silicon revision.