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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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41594B датащи(PDF) 142 Page - Microchip Technology |
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41594B датащи(HTML) 142 Page - Microchip Technology |
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142 / 372 page  PIC12LF1840T48A DS41594B-page 142 Preliminary 2011-2012 Microchip Technology Inc. TABLE 17-1: SUMMARY OF REGISTERS ASSOCIATED WITH THE DAC MODULE REGISTER 17-1: DACCON0: VOLTAGE REFERENCE CONTROL REGISTER 0 R/W-0/0 R/W-0/0 R/W-0/0 U-0 R/W-0/0 R/W-0/0 U-0 R/W-0/0 DACEN DACLPS DACOE — DACPSS<1:0> — DACNSS bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7 DACEN: DAC Enable bit 1 = DAC is enabled 0 = DAC is disabled bit 6 DACLPS: DAC Low-Power Voltage State Select bit 1 = DAC Positive reference source selected 0 = DAC Negative reference source selected bit 5 DACOE: DAC Voltage Output Enable bit 1 = DAC voltage level is also an output on the DACOUT pin 0 = DAC voltage level is disconnected from the DACOUT pin bit 4 Unimplemented: Read as ‘0’ bit 3-2 DACPSS<1:0>: DAC Positive Source Select bits 00 = VDD 01 =VREF pin 10 = FVR Buffer2 output 11 = Reserved, do not use bit 1 Unimplemented: Read as ‘0’ bit 0 DACNSS: DAC Negative Source Select bits 1 =VREF- 0 = VSS REGISTER 17-2: DACCON1: VOLTAGE REFERENCE CONTROL REGISTER 1 U-0 U-0 U-0 R/W-0/0 R/W-0/0 R/W-0/0 R/W-0/0 R/W-0/0 — — — DACR<4:0> bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-5 Unimplemented: Read as ‘0’ bit 4-0 DACR<4:0>: DAC Voltage Output Select bits Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register on page FVRCON FVREN FVRRDY TSEN TSRNG CDAFVR1 CDAFVR0 ADFVR1 ADFVR0 122 DACCON0 DACEN DACLPS DACOE — DACPSS1 DACPSS0 — DACNSS 142 DACCON1 — — — DACR4 DACR3 DACR2 DACR1 DACR0 142 Legend: — = unimplemented, read as ‘0’. Shaded cells are unused by the DAC module. |
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