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| PIC18F6390 Datasheet, PDF (64/412 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology | |||
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PIC18F6390/6490/8390/8490
TABLE 4-4: INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
Register
Applicable
Devices
Power-on Reset,
Brown-out Reset
MCLR Resets
WDT Reset
RESET Instruction
Stack Resets
Wake-up via WDT
or Interrupt
TRISJ
6X90 8X90
1111 1111
1111 1111
uuuu uuuu
TRISH
6X90 8X90
1111 1111
1111 1111
uuuu uuuu
TRISG
6X90 8X90
---1 1111
---1 1111
---u uuuu
TRISF
6X90 8X90
1111 1111
1111 1111
uuuu uuuu
TRISE
6X90 8X90
1111 ----
1111 ----
uuuu ----
TRISD
6X90 8X90
1111 1111
1111 1111
uuuu uuuu
TRISC
6X90 8X90
1111 1111
1111 1111
uuuu uuuu
TRISB
TRISA(5)
6X90 8X90
6X90 8X90
1111 1111
1111 1111(5)
1111 1111
1111 1111(5)
uuuu uuuu
uuuu uuuu(5)
LATJ
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
LATH
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
LATG
6X90 8X90
---x xxxx
---u uuuu
---u uuuu
LATF
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
LATE
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
LATD
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
LATC
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
LATB
LATA(5)
6X90 8X90
6X90 8X90
xxxx xxxx
xxxx xxxx(5)
uuuu uuuu
uuuu uuuu(5)
uuuu uuuu
uuuu uuuu(5)
PORTJ
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTH
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTG
6X90 8X90
--xx xxxx
--uu uuuu
--uu uuuu
PORTF
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTE
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTD
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTC
6X90 8X90
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTB
PORTA(5)
6X90 8X90
6X90 8X90
xxxx xxxx
xx0x 0000(5)
uuuu uuuu
uu0u 0000(5)
uuuu uuuu
uuuu uuuu(5)
SPBRGH1
6X90 8X90
0000 0000
0000 0000
uuuu uuuu
BAUDCON1
6X90 8X90
01-0 0-00
01-0 0-00
uu-u u-uu
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as â0â, q = value depends on condition.
Shaded cells indicate conditions do not apply for the designated device.
Note 1: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up).
2: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the PC is loaded with the interrupt
vector (0008h or 0018h).
3: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the TOSU, TOSH and TOSL are
updated with the current value of the PC. The STKPTR is modified to point to the next location in the
hardware stack.
4: See Table 4-3 for Reset value for specific condition.
5: Bits 6 and 7 of PORTA, LATA and TRISA are enabled depending on the oscillator mode selected. When
not enabled as PORTA pins, they are disabled and read â0â.
DS39629B-page 62
Preliminary
 2004 Microchip Technology Inc.
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