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PIC12F1822-I/MF 数据表(PDF) 184 Page - Microchip Technology |
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PIC12F1822-I/MF 数据表(HTML) 184 Page - Microchip Technology |
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184 / 398 page ![]() PIC12F/LF1822/16F/LF1823 DS41413A-page 184 Preliminary 2010 Microchip Technology Inc. 21.0 TIMER2 MODULE The Timer2 module incorporate the following features: • 8-bit Timer and Period registers (TMR2 and PR2, respectively) • Readable and writable (both registers) • Software programmable prescaler (1:1, 1:4, 1:16, and 1:64) • Software programmable postscaler (1:1 to 1:16) • Interrupt on TMR2 match with PR2, respectively • Optional use as the shift clock for the MSSP1 modules (Timer2 only) See Figure 21-1 for a block diagram of Timer2. FIGURE 21-1: TIMER2 BLOCK DIAGRAM Comparator TMRx Sets Flag TMR2 Outp2t Reset Postscaler Prescaler PR2 2 FOSC/4 1:1 to 1:16 1:1, 1:4, 1:16, 1:64 EQ 4 bit TMR2IF T2OUTPS<3:0> T2CKPS<1:0> |
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