Information
© 2005 Microchip Technology Inc. DS80227B-page 1
PIC18F2X1X/4X1X
Clarifications/Corrections to the Data
Sheet:
In the Device Data Sheet (DS39636A), the following
clarifications and corrections should be noted. Any
silicon issues related to the PIC18F2X1X/4X1X
devices will be reported in a separate silicon errata.
Please check the Microchip web site for any existing
issues.
1. Module: I/O Ports
The TRIS setting for the TX pin on PORTC in
Table 9-5 of the Device Data Sheet was incorrectly
stated as ‘1’.
The correct TRIS setting for the TX pin on PORTC
is ‘0’.
2. Module: Resets
The PR2 initialization condition shown in Table 4-4
for MCLR
Resets, WDT Reset, RESET Instruction,
Stack Resets and Wake-up via WDT or Interrupt
should read “uuuu uuuu” as shown in the
following table (changes are shown in bold text):
TABLE 4-4: INITIALIZATION CONDITIONS FOR ALL REGISTERS
Register Applicable Devices
Power-on Reset,
Brown-out Reset
MCLR
Resets,
WDT Reset,
RESET Instruction,
Stack Resets
Wake-up via WDT
or Interrupt
PR2 2410 2510 2515 2610 4410 4510 4515 4610 1111 1111 uuuu uuuu uuuu uuuu
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition.
Shaded cells indicate conditions do not apply for the designated device.
PIC18F2X1X/4X1X Data Sheet Errata