Information
PIC18F24K20/25K20/44K20/45K20
DS80000425K-page 2 2008-2013 Microchip Technology Inc.
TABLE 2: SILICON ISSUE SUMMARY
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A4
A7
A9
AB
A4
A7
A8
AE
AF
0xA
0xC
0xE
0x11
0x16
0x18
0x19
0x1B
0x1C
ECCP CCP1CON 1. Changing CCP1M bits may
cause capture of Timer1 value.
X X X X
ECCP Full-Bridge
mode
2. Direction change issue.
X X X X
MSSP SPI SPI Clock 3. Shortened SPI high time.
X X X X
MSSP I
2
C™ Slew Rate 4. Slow slew rate when
SLRCON<2> is set.
X X X X
ADC Offset 5. Time dependent on offset.
X X X X
MSSP I
2
C Receiving 6. Address may be received as
data.
X X X X
MSSP I
2
C Master mode 7. Master mode not functional. X
MSSP SPI SPI Master 8. Improper sampling of last bit. X X X X
MSSP SPI SPI Master 9. SSPBUF improperly reloads on
SS
pin transitions.
X X X X
MSSP SPI SPI Master 10. Improper extra pulse on SCK
pin.
X X X X
EUSART Synchronous
Master mode
11. Duty cycle of CK output is
skewed when SPBRG is odd.
X X X X
EUSART Synchronous
Master mode
12. LS bit corruption during
transmission when SPBRG = 3.
X X X X
EUSART Synchronous
Master mode
13. Clock fails to stop at end of
character transmission when
SPBRG = 0.
X X X X
Internal Fixed
Voltage Refer-
ence (FVR)
— 14. FVRST bit activates prematurely. X X
High Low Voltage
Detect (HLVD)
— 15. IVRST bit activates prematurely. X X
BOR FVR 16. Unexpected BOR occurrence. X X
System Clocks — 17. HFINTOSC output accuracy. X X X X
POR/BOR — 18. Unexpected code execution at
low V
DD.
X X X X
POR — 19. Premature POR release.
X X X X
POR — 20. POR may become stuck. X X X X
Clocks EC mode 21. 48 MHz maximum frequency.
X X
Comparators Interrupt-on-
Change
22. Presetting interrupt-on-change
issue.
X X X X
Data EEPROM
Memory
Endurance 23. Endurance is limited to 10K
cycles.
X X X XXXX
Program Flash
Memory
Endurance 24. Endurance is limited to 1K
cycles.
X X X XXXX
Configuration Bits CONFIG3H 25. HFOFST bit erases to ‘0’ instead
of ‘1’.
X X X X
Note 1: Only those issues indicated in the last column apply to the current silicon revision.
2: Shaded cells in this table indicate older device revisions that are no longer in production.