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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC12F683-E/P датащи(PDF) 49 Page - Microchip Technology |
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PIC12F683-E/P датащи(HTML) 49 Page - Microchip Technology |
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49 / 148 page  2004 Microchip Technology Inc. Preliminary DS41211B-page 47 PIC12F683 8.0 COMPARATOR MODULE The comparator module contains one analog com- parator. The inputs to the comparator are multiplexed with I/O port pins, GP0 and GP1, while the outputs are multiplexed to GP2. An on-chip Comparator Voltage Reference (CVREF) can also be applied to the inputs of the comparator. The CMCON0 register (Register 8-1) controls the comparator input and output multiplexers. A block diagram of the various comparator configurations is shown in Figure 8-3. REGISTER 8-1: CMCON0 – COMPARATOR CONTROL REGISTER 0 (ADDRESS: 19h) U-0 R-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 —COUT — CINV CIS CM2 CM1 CM0 bit 7 bit 0 bit 7 Unimplemented: Read as ‘0’ bit 6 COUT: Comparator Output bit When CINV = 0: 1 = VIN+ > VIN- 0 = VIN+ < VIN- When CINV = 1: 1 = VIN+ < VIN- 0 = VIN+ > VIN- bit 5 Unimplemented: Read as ‘0’ bit 4 CINV: Comparator Output Inversion bit 1 = Output inverted 0 = Output not inverted bit 3 CIS: Comparator Input Switch bit When CM<2:0> = 110 or 101: 1 = VIN- connects to CIN+ 0 = VIN- connects to CIN- bit 2 CM<2:0>: Comparator Mode bits Figure 8-3 shows the Comparator modes and CM<2:0> bit settings. Legend: 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 |
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