PIC16F737-I Datasheet, PDF (181/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC16F7X7
TABLE 15-1: TIME-OUT IN VARIOUS SITUATIONS
Oscillator
Configuration
Power-up
PWRTE = 0
PWRTE = 1
Brown-out Reset
PWRTE = 0
PWRTE = 1
Wake-up from
Sleep
XT, HS, LP
EXTRC, INTRC
T1OSC
TPWRT + 1024 • TOSC
TPWRT
—
1024 • TOSC
5-10 µs⁽¹⁾
—
TPWRT + 1024 • TOSC
TPWRT
—
1024 • TOSC
5-10 µs⁽¹⁾
—
1024 • TOSC
5-10 µs⁽¹⁾
5-10 µs⁽¹⁾
Note 1: CPU start-up is always invoked on POR, BOR and wake-up from Sleep. The 5 µs-10 µs delay is based on
a 1 MHz system clock.
TABLE 15-2: STATUS BITS AND THEIR SIGNIFICANCE
POR
BOR
TO
PD
0
x
1
1
Power-on Reset
0
x
0
x
Illegal, TO is set on POR
0
x
x
0
Illegal, PD is set on POR
1
0
1
1
Brown-out Reset
1
1
0
1
WDT Reset
1
1
0
0
WDT Wake-up
1
1
u
u
MCLR Reset during normal operation
1
1
1
0
Legend: u = unchanged, x = unknown
MCLR Reset during Sleep or Interrupt Wake-up from Sleep
TABLE 15-3: RESET CONDITION FOR SPECIAL REGISTERS
Condition
Program
Counter
Status
Register
PCON
Register
Power-on Reset
000h
0001 1xxx
---- -10x
MCLR Reset during normal operation
000h
000u uuuu
---- -uuu
MCLR Reset during Sleep
000h
0001 0uuu
---- -uuu
WDT Reset
000h
0000 1uuu
---- -uuu
WDT Wake-up
PC + 1
uuu0 0uuu
---- -uuu
Brown-out Reset
Interrupt Wake-up from Sleep
000h
PC + 1⁽¹⁾
0001 1xxx
uuu1 0uuu
---- -1u0
---- -uuu
Legend: u = unchanged, x = unknown, — = unimplemented bit, read as ‘0’
Note 1: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
 2004 Microchip Technology Inc.
DS30498C-page 179