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18F8680 датащи(PDF) 38 Page - Microchip Technology |
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18F8680 датащи(HTML) 38 Page - Microchip Technology |
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38 / 496 page ![]() PIC18F6585/8585/6680/8680 DS30491C-page 36 2004 Microchip Technology Inc. TABLE 3-3: INITIALIZATION CONDITIONS FOR ALL REGISTERS Register Applicable Devices Power-on Reset, Brown-out Reset MCLR Resets WDT Reset RESET Instruction Stack Resets Wake-up via WDT or Interrupt TOSU PIC18F6X8X PIC18F8X8X ---0 0000 ---0 0000 ---0 uuuu(3) TOSH PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 uuuu uuuu(3) TOSL PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 uuuu uuuu(3) STKPTR PIC18F6X8X PIC18F8X8X 00-0 0000 uu-0 0000 uu-u uuuu(3) PCLATU PIC18F6X8X PIC18F8X8X ---0 0000 ---0 0000 ---u uuuu PCLATH PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 uuuu uuuu PCL PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 PC + 2(2) TBLPTRU PIC18F6X8X PIC18F8X8X --00 0000 --00 0000 --uu uuuu TBLPTRH PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 uuuu uuuu TBLPTRL PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 uuuu uuuu TABLAT PIC18F6X8X PIC18F8X8X 0000 0000 0000 0000 uuuu uuuu PRODH PIC18F6X8X PIC18F8X8X xxxx xxxx uuuu uuuu uuuu uuuu PRODL PIC18F6X8X PIC18F8X8X xxxx xxxx uuuu uuuu uuuu uuuu INTCON PIC18F6X8X PIC18F8X8X 0000 000x 0000 000x uuuu uuuu(1) INTCON2 PIC18F6X8X PIC18F8X8X 1111 1111 1111 1111 uuuu uuuu(1) INTCON3 PIC18F6X8X PIC18F8X8X 1100 0000 1100 0000 uuuu uuuu(1) INDF0 PIC18F6X8X PIC18F8X8X N/A N/A N/A POSTINC0 PIC18F6X8X PIC18F8X8X N/A N/A N/A POSTDEC0 PIC18F6X8X PIC18F8X8X N/A N/A N/A PREINC0 PIC18F6X8X PIC18F8X8X N/A N/A N/A PLUSW0 PIC18F6X8X PIC18F8X8X N/A N/A N/A FSR0H PIC18F6X8X PIC18F8X8X ---- xxxx ---- uuuu ---- uuuu FSR0L PIC18F6X8X PIC18F8X8X xxxx xxxx uuuu uuuu uuuu uuuu WREG PIC18F6X8X PIC18F8X8X xxxx xxxx uuuu uuuu uuuu uuuu INDF1 PIC18F6X8X PIC18F8X8X N/A N/A N/A POSTINC1 PIC18F6X8X PIC18F8X8X N/A N/A N/A POSTDEC1 PIC18F6X8X PIC18F8X8X N/A N/A N/A PREINC1 PIC18F6X8X PIC18F8X8X N/A N/A N/A PLUSW1 PIC18F6X8X PIC18F8X8X N/A N/A N/A 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). 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 3-2 for Reset value for specific condition. 5: Bit 6 of PORTA, LATA, and TRISA are enabled in ECIO and RCIO Oscillator modes only. In all other oscillator modes, they are disabled and read ‘0’. 6: Bit 6 of PORTA, LATA and TRISA are not available on all devices. When unimplemented, they read ‘0’. 7: This register reads all ‘0’s until ECAN is set up in Mode 1 or Mode 2. |
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