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PIC16F87XATI/SP Datasheet - Page 150

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PIC16F87XA
TABLE 14-6:
INITIALIZATION CONDITIONS FOR ALL REGISTERS
Register
Devices
W
73A 74A 76A 77A
INDF
73A 74A 76A 77A
TMR0
73A 74A 76A 77A
PCL
73A 74A 76A 77A
STATUS
73A 74A 76A 77A
FSR
73A 74A 76A 77A
PORTA
73A 74A 76A 77A
PORTB
73A 74A 76A 77A
PORTC
73A 74A 76A 77A
PORTD
73A 74A 76A 77A
PORTE
73A 74A 76A 77A
PCLATH
73A 74A 76A 77A
INTCON
73A 74A 76A 77A
73A 74A 76A 77A
PIR1
73A 74A 76A 77A
PIR2
73A 74A 76A 77A
TMR1L
73A 74A 76A 77A
TMR1H
73A 74A 76A 77A
T1CON
73A 74A 76A 77A
TMR2
73A 74A 76A 77A
T2CON
73A 74A 76A 77A
SSPBUF
73A 74A 76A 77A
SSPCON
73A 74A 76A 77A
CCPR1L
73A 74A 76A 77A
CCPR1H
73A 74A 76A 77A
CCP1CON
73A 74A 76A 77A
RCSTA
73A 74A 76A 77A
TXREG
73A 74A 76A 77A
RCREG
73A 74A 76A 77A
CCPR2L
73A 74A 76A 77A
CCPR2H
73A 74A 76A 77A
CCP2CON
73A 74A 76A 77A
ADRESH
73A 74A 76A 77A
ADCON0
73A 74A 76A 77A
OPTION_REG
73A 74A 76A 77A
TRISA
73A 74A 76A 77A
TRISB
73A 74A 76A 77A
TRISC
73A 74A 76A 77A
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition,
r = reserved, maintain clear. Shaded cells indicate conditions do not apply for the designated device.
Note 1:
One or more bits in INTCON, PIR1 and/or PIR2 will be affected (to cause wake-up).
2:
When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
3:
See Table 14-5 for Reset value for specific condition.
DS39582C-page 150
Power-on Reset,
MCLR Resets,
Brown-out Reset
WDT Reset
xxxx xxxx
uuuu uuuu
N/A
N/A
xxxx xxxx
uuuu uuuu
0000 0000
0000 0000
0001 1xxx
000q quuu
xxxx xxxx
uuuu uuuu
--0x 0000
--0u 0000
xxxx xxxx
uuuu uuuu
xxxx xxxx
uuuu uuuu
xxxx xxxx
uuuu uuuu
---- -xxx
---- -uuu
---0 0000
---0 0000
0000 000x
0000 000u
r000 0000
r000 0000
0000 0000
0000 0000
-0-0 0--0
-0-0 0--0
xxxx xxxx
uuuu uuuu
xxxx xxxx
uuuu uuuu
--00 0000
--uu uuuu
0000 0000
0000 0000
-000 0000
-000 0000
xxxx xxxx
uuuu uuuu
0000 0000
0000 0000
xxxx xxxx
uuuu uuuu
xxxx xxxx
uuuu uuuu
--00 0000
--00 0000
0000 000x
0000 000x
0000 0000
0000 0000
0000 0000
0000 0000
xxxx xxxx
uuuu uuuu
xxxx xxxx
uuuu uuuu
0000 0000
0000 0000
xxxx xxxx
uuuu uuuu
0000 00-0
0000 00-0
1111 1111
1111 1111
--11 1111
--11 1111
1111 1111
1111 1111
1111 1111
1111 1111
 2001-2013 Microchip Technology Inc.
Wake-up via WDT or
Interrupt
uuuu uuuu
N/A
uuuu uuuu
(2)
PC + 1
(3)
(3)
uuuq quuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
---- -uuu
---u uuuu
(1)
uuuu uuuu
(1)
ruuu uuuu
(1)
uuuu uuuu
(1)
-u-u u--u
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uu-u
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu

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