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PIC12CE674 Datasheet

  • PIC12CE674

  • 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEP...

  • 1264.35KB

  • 129页

  • Microchip   Microchip

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PIC12CE67X
TABLE 9-5:
RESET CONDITION FOR SPECIAL REGISTERS
Condition
Power-on Reset
MCLR Reset during normal operation
MCLR Reset during SLEEP
WDT Reset during normal operation
WDT Wake-up from SLEEP
Interrupt wake-up from SLEEP
Program
Counter
000h
000h
000h
000h
PC + 1
PC + 1
(1)
STATUS
Register
0001 1xxx
000u uuuu
0001 0uuu
0000 uuuu
uuu0 0uuu
uuu1 0uuu
PCON
Register
---- --0-
---- --u-
---- --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 GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
TABLE 9-6:
Register
W
INDF
TMR0
PCL
STATUS
FSR
GPIO
PCLATH
INTCON
PIR1
ADCON0
OPTION
TRIS
PIE1
PCON
OSCCAL
ADCON1
INITIALIZATION CONDITIONS FOR ALL REGISTERS
Power-on Reset
xxxx xxxx
0000 0000
xxxx xxxx
0000 0000
0001 1xxx
xxxx xxxx
11xx xxxx
---0 0000
0000 000x
-0-- ----
0000 0000
1111 1111
--11 1111
-0-- ----
---- --0-
1000 00--
---- -000
MCLR Resets
WDT Reset
uuuu uuuu
0000 0000
uuuu uuuu
0000 0000
000q quuu
(3)
uuuu uuuu
11uu uuuu
---0 0000
0000 000u
-0-- ----
0000 0000
1111 1111
--11 1111
-0-- ----
---- --u-
uuuu uu--
---- -000
Wake-up via
WDT or Interrupt
uuuu uuuu
0000 0000
uuuu uuuu
PC + 1
(2)
uuuq quuu
(3)
uuuu uuuu
11uu uuuu
---u uuuu
uuuu uqqq
(1)
-q-- ----
(4)
uuuu uquu
(5)
uuuu uuuu
--uu uuuu
-u-- ----
---- --u-
uuuu uu--
---- -uuu
Legend:
u
= unchanged,
x
= unknown,
-
= unimplemented bit, read as '0',
q
= value depends on condition
Note 1: One or more bits in INTCON and PIR1 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 9-5 for reset value for speci铿乧 condition.
4: If wake-up was due to A/D completing then bit 6 = 1, all other interrupts generating a wake-up will cause
bit 6 =
u.
5: If wake-up was due to A/D completing then bit 3 = 0, all other interrupts generating a wake-up will cause
bit 3 =
u.
漏
1998 Microchip Technology Inc.
Preliminary
DS40181B-page 51

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