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DSPIC33FJ64GP706 数据表(PDF) 144 Page - Microchip Technology |
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DSPIC33FJ64GP706 数据表(HTML) 144 Page - Microchip Technology |
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144 / 322 page  dsPIC33FJXXXGPX06/X08/X10 DS70286C-page 142 © 2009 Microchip Technology Inc. REGISTER 9-2: CLKDIV: CLOCK DIVISOR REGISTER R/W-0 R/W-0 R/W-1 R/W-1 R/W-0 R/W-0 R/W-0 R/W-0 ROI DOZE<2:0> DOZEN(1) FRCDIV<2:0> bit 15 bit 8 R/W-0 R/W-1 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 PLLPOST<1:0> — PLLPRE<4:0> bit 7 bit 0 Legend: y = Value set from Configuration bits on POR R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 15 ROI: Recover on Interrupt bit 1 = Interrupts will clear the DOZEN bit and the processor clock/peripheral clock ratio is set to 1:1 0 = Interrupts have no effect on the DOZEN bit bit 14-12 DOZE<2:0>: Processor Clock Reduction Select bits 000 = FCY/1 001 = FCY/2 010 = FCY/4 011 = FCY/8 (default) 100 = FCY/16 101 = FCY/32 110 = FCY/64 111 = FCY/128 bit 11 DOZEN: DOZE Mode Enable bit(1) 1 = DOZE<2:0> field specifies the ratio between the peripheral clocks and the processor clocks 0 = Processor clock/peripheral clock ratio forced to 1:1 bit 10-8 FRCDIV<2:0>: Internal Fast RC Oscillator Postscaler bits 000 = FRC divide by 1 (default) 001 = FRC divide by 2 010 = FRC divide by 4 011 = FRC divide by 8 100 = FRC divide by 16 101 = FRC divide by 32 110 = FRC divide by 64 111 = FRC divide by 256 bit 7-6 PLLPOST<1:0>: PLL VCO Output Divider Select bits (also denoted as ‘N2’, PLL postscaler) 00 = Output/2 01 = Output/4 (default) 10 = Reserved 11 = Output/8 bit 5 Unimplemented: Read as ‘0’ bit 4-0 PLLPRE<4:0>: PLL Phase Detector Input Divider bits (also denoted as ‘N1’, PLL prescaler) 00000 = Input/2 (default) 00001 = Input/3 • • • 11111 = Input/33 Note 1: This bit is cleared when the ROI bit is set and an interrupt occurs. |
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