Datasheet

PIC16(L)F1933
DS80490L-page 2  2009-2012 Microchip Technology Inc.
TABLE 2: PIC16F1933 SILICON ISSUE SUMMARY
Module Feature
Item
Number
Issue Summary
Affected Revisions
(1)
A1 A2 A3 A4 A6 A7 A8
Data EE Memory Memory Endurance 1.1 Erase/Write endurance
limited.
X
Data EE Memory Writes 1.2 Min. VDD for writes. XXXXXXX
Program Flash
Memory (PFM)
Endurance 2.1 Erase/Write endurance
limited.
X
Program Flash
Memory (PFM)
Writes 2.2 Min. V
DD for writes. XXXXXXX
Timer1 Timer0 Gate Source 3.1 Toggle mode work s
improperly.
XX
Timer1 Timer1 Gate Toggle
mode
3.2 T1 Gate flip-flop does not
clear.
XXX
Electrical
Specifications
RA6/OSC2 Pin Input
Leakage Current
4.1 Input leakage current
ranges.
XXX
EUSART 16-Bit High-Speed
Asynchronous mode
5.1 Works improperly at
maximum rate.
XXXXXXX
EUSART Auto-Baud Detect 5.2 Auto-Baud Detect may
store incorrect count value
in the SPBRG registers.
XXXXXX
Resets Power-on Reset (POR) 6.1 Reset under low-power
conditions.
XX
ADC ADC Conversion 7.1 ADC conversion may not
complete.
XXX
Enhanced
Capture
Compare PWM
(ECCP)
Enhanced PWM 8.1 PWM 0% duty cycle
direction change.
XXXX
Enhanced
Capture
Compare PWM
(ECCP)
Enhanced PWM 8.2 PWM 0% duty cycle port
steering.
XXXX
In-Circuit Serial
Programming™
(ICSP™)
Low-Voltage
Programming
9.1 Bulk Erase not available
with LVP.
XXX
LDO Minimum V
DD above
85°C
10.1 Minimum operating VDD
for the PIC16F1933
devices at T
A > 85°C.
XXXXXXX
Oscillator Oscillator Start-up
Timer (OST) bit
12.1 OST bit remains set. XXXXXXX
Note 1: Only those issues indicated in the last column apply to the current silicon revision.