PIC18F4685-ISLASHSP datasheet(59/484 Pages) MICROCHIP

59 / 484 page

Preliminary

DS39761B-page 57

PIC18F2682/2685/4682/4685

B4D4(6)

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B4D3(6)

2682 2685 4682 4685

xxxx xxxx

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B4D2(6)

2682 2685 4682 4685

xxxx xxxx

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B4D1(6)

2682 2685 4682 4685

xxxx xxxx

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B4D0(6)

2682 2685 4682 4685

xxxx xxxx

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B4DLC(6)

2682 2685 4682 4685

-xxx xxxx

-uuu uuuu

B4EIDL(6)

2682 2685 4682 4685

xxxx xxxx

uuuu uuuu

B4EIDH(6)

2682 2685 4682 4685

xxxx xxxx

uuuu uuuu

B4SIDL(6)

2682 2685 4682 4685

xxxx x-xx

uuuu u-uu

B4SIDH(6)

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xxxx xxxx

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B4CON(6)

2682 2685 4682 4685

0000 0000

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B3D7(6)

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B3D6(6)

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xxxx xxxx

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B3D5(6)

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xxxx xxxx

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B3D4(6)

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B3D3(6)

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xxxx xxxx

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B3D2(6)

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xxxx xxxx

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B3D1(6)

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xxxx xxxx

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B3D0(6)

2682 2685 4682 4685

xxxx xxxx

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B3DLC(6)

2682 2685 4682 4685

-xxx xxxx

-uuu uuuu

B3EIDL(6)

2682 2685 4682 4685

xxxx xxxx

uuuu uuuu

B3EIDH(6)

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xxxx xxxx

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B3SIDL(6)

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xxxx x-xx

uuuu u-uu

B3SIDH(6)

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xxxx xxxx

uuuu uuuu

B3CON(6)

2682 2685 4682 4685

0000 0000

uuuu uuuu

B2D7(6)

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xxxx xxxx

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B2D6(6)

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xxxx xxxx

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B2D5(6)

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xxxx xxxx

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B2D4(6)

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xxxx xxxx

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B2D3(6)

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B2D2(6)

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TABLE 4-4:

INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)

Applicable Devices

Power-on Reset,

Brown-out Reset

MCLR Resets,

WDT Reset,

RESET

Instruction,

Stack Resets

Wake-up via WDT

or Interrupt

Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, 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).

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).

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.

See Table 4-3 for Reset value for specific condition.

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 ‘0’.

This register reads all ‘0’s until the ECAN™ technology is set up in Mode 1 or Mode 2.

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