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R8C/2G 数据表(PDF) 67 Page - Renesas Technology Corp |
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R8C/2G 数据表(HTML) 67 Page - Renesas Technology Corp |
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67 / 344 page ![]() R8C/2G Group 7. Comparator Rev.1.00 Apr 04, 2008 Page 47 of 318 REJ09B0387-0100 Figure 7.1 Block Diagram of Comparator Table 7.2 Pin Configuration of Comparator Pin Name I/O Function VCMP1 Input Comparator 1 analog pin VCOUT1 Output Comparator 1 comparison result output pin VCMP2 Input Comparator 2 analog pin VCOUT2 Output Comparator 2 comparison result output pin CVREF Input Comparator reference voltage pin + - VW1F1 to VW1F0 = 01b = 10b = 11b VCA13: Bit in VCA1 register VCA26, VCA27: Bits in VCA2 register VW1C0 to VW1C3, VW1F0 to VW1F1: Bits in VW1C register VW2C0, VW2C2, VW2F0 to VW2F1: Bits in VW2C register VCAB5 to VCAB7: Bits in VCAB register LCM1POR, LCM2POR, CM1OE, CM2OE, IRQ1SEL, IRQ2SEL: Bits in ALCMR register fOCO-S fOCO-S/4 fOCO-S/8 VCMP1 0 1 VCAB5 Digital filter + - CVREF VCMP2 0 1 VCAB6 VCAB7 = 00b Sampling clock 1 0 VCA26 VW1C3 fOCO-S/2 VW1C1 0 1 VW2F1 to VW2F0 = 01b = 10b = 11b fOCO-S fOCO-S/4 fOCO-S/8 Digital filter = 00b Sampling clock VCA13 fOCO-S/2 VW2C1 0 1 Internal reference voltage VCA27 Shared with voltage monitor 1 circuit Shared with voltage monitor 2 circuit VW1C2 IRQ1SEL maskable interrupts VW1C0 Edge selection circuit non-maskable interrupts Pin output selection circuit VCOUT1 VCOUT2 LCM1POR LCM2POR 0 1 CM1OE 0 1 CM2OE VW2C2 IRQ2SEL maskable interrupts VW2C0 non-maskable interrupts Edge selection circuit |
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