Information

2010 Microchip Technology Inc. DS80243M-page 3
PIC16F631/677/685/687/689/690
TABLE 5: SILICON ISSUE SUMMARY (PIC16F687/PIC16F689)
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A3 A4 A5 A6
EUSART Wake-up 1.1 WUE bit not clearing. X X
EUSART Auto-Baud 1.2 Incorrect baud rate after a break. X X
EUSART Auto-Baud 1.3 Baud rate value +2. X X
EUSART Auto-Baud 1.4 Delay after auto-baud before transmit. X X
EUSART Auto-Baud 1.5 R/W bit on ACK. XX
EUSART Reset 1.6 Clock-stretching handling. X X
EUSART Extra Character 1.7 Multi-byte transmission. X X
SSP Start Bit 2.1 Fail to recognize Start bit. X X X
SSP SSPIF Flag 2.2 SSPIF flag set on first reception only. XXXX
ADC/INTOSCFreq. Disturbance 4. Oscillator may stop running at low temps.XXXX
Timer1 Ext. Crystal 5.1 Overflow may take additional count. XXXX
Timer1 Ext. Crystal 5.2 Oscillator may stop running at low temps.XXXX
Timer1 Ext. Crystal 5.3 Sleep in LP mode disables T1OSC. XXXX
WDT/Timer0 Prescaler 6. Spurious Reset may occur. XXXX
Note 1: Only those issues indicated in the last column apply to the current silicon revision.
TABLE 6: SILICON ISSUE SUMMARY (PIC16F690)
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A3 A4 A5 A6
EUSART Wake-up 1.1 WUE bit not clearing. X X
EUSART Auto-Baud 1.2 Incorrect baud rate after a break. X X
EUSART Auto-Baud 1.3 Baud rate value +2. X X
EUSART Auto-Baud 1.4 Delay after auto-baud before transmit. X X
EUSART Auto-Baud 1.5 R/W bit on ACK. XX
EUSART Reset 1.6 Clock-stretching handling. X X
EUSART Extra Character 1.7 Multi-byte transmission. X X
SSP Start Bit 2.1 Fail to recognize Start bit. X X X
SSP SSPIF Flag 2.2 SSPIF flag set on first reception only. XXXX
ECCP Auto-Shutdown 3. Overflow may take additional count. XXXX
ADC/INTOSCFreq. Disturbance 4. Oscillator may stop running at low temps.XXXX
Timer1 Ext. Crystal 5.1 Overflow may take additional count. XXXX
Timer1 Ext. Crystal 5.2 Oscillator may stop running at low temps.XXXX
Timer1 Ext. Crystal 5.3 Sleep in LP mode disables T1OSC. XXXX
WDT/Timer0 Prescaler 6. Spurious Reset may occur. XXXX
Note 1: Only those issues indicated in the last column apply to the current silicon revision.