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INTEDG 数据表(PDF) 178 Page - Microchip Technology |
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INTEDG 数据表(HTML) 178 Page - Microchip Technology |
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178 / 478 page  PIC16(L)F1946/47 DS41414D-page 178 2010-2012 Microchip Technology Inc. 17.7 Register Definitions: DAC Control 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 CDAFVR<1:0> ADFVR1 ADFVR0 158 DACCON0 DACEN DACLPS DACOE — DACPSS<1:0> — DACNSS 178 DACCON1 — — — DACR<4:0> 178 Legend: — = Unimplemented location, read as ‘0’. Shaded cells are not used with the DAC module. |
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