PIC18CXX2_13 Datasheet, PDF (27/304 Pages) Microchip Technology – High Performance Microcontrollers with 10-bit A/D

PIC18CXX2
TABLE 3-1: TIME-OUT IN VARIOUS SITUATIONS
Oscillator
Configuration
Power-up⁽²⁾
PWRTE = 0
PWRTE = 1
HS with PLL enabled⁽¹⁾
72 ms + 1024TOSC
+ 2ms
1024TOSC
+ 2 ms
HS, XT, LP
72 ms + 1024TOSC
1024TOSC
EC
72 ms
—
External RC
72 ms
—
Note 1: 2 ms is the nominal time required for the 4x PLL to lock.
2: 72 ms is the nominal Power-up Timer delay.
Brown-out⁽²⁾
72 ms + 1024TOSC
+ 2ms
72 ms + 1024TOSC
72 ms
72 ms
Wake-up from
SLEEP or
Oscillator Switch
1024TOSC + 2 ms
1024TOSC
—
—
REGISTER 3-1:
RCON REGISTER BITS AND POSITIONS
R/W-0 R/W-0
U-0
R/W-1 R/W-1
IPEN
LWRT
—
RI
TO
bit 7
R/W-1
PD
R/W-0
POR
R/W-0
BOR
bit 0
Note: See Register 4-3 on page 53 for bit definitions.
TABLE 3-2: STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR
RCON REGISTER
Condition
Program
Counter
RCON
Register
RI TO PD POR BOR STKFUL STKUNF
Power-on Reset
0000h 00-1 1100 1 1 1 0
0
u
u
MCLR Reset during normal
0000h 00-u uuuu u u u u
u
u
u
operation
Software Reset during normal
0000h 0u-0 uuuu 0 u u u
u
u
u
operation
Stack Full Reset during normal 0000h 0u-u uu11 u u u u
u
u
1
operation
Stack Underflow Reset during
0000h 0u-u uu11 u u u u
u
1
u
normal operation
MCLR Reset during SLEEP
0000h 00-u 10uu u 1 0 u
u
u
u
WDT Reset
0000h 0u-u 01uu 1 0 1 u
u
u
u
WDT Wake-up
PC + 2 uu-u 00uu u 0 0 u
u
u
u
Brown-out Reset
0000h 0u-1 11u0 1 1 1 1
0
u
u
Interrupt wake-up from SLEEP PC + 2⁽¹⁾ uu-u 00uu u 1 0 u
u
u
u
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0'.
Note 1: When the wake-up is due to an interrupt and the GIEH or GIEL bits are set, the PC is loaded with the
interrupt vector (0x000008h or 0x000018h).
 1999-2013 Microchip Technology Inc.
DS39026D-page 27