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PIC16F785 Scheda tecnica(PDF) 83 Page - Microchip Technology |
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PIC16F785 Scheda tecnica(HTML) 83 Page - Microchip Technology |
83 / 178 page 2004 Microchip Technology Inc. Preliminary DS41249A-page 81 PIC16F785 REGISTER 12-3: ADCON0 — A/D CONTROL REGISTER (ADDRESS: 1Fh) REGISTER 12-4: ADCON1 — A/D CONTROL REGISTER 1 (ADDRESS: 9Fh) R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 ADFM VCFG CHS3 CHS2 CHS1 CHS0 GO/DONE ADON bit 7 bit 0 bit 7 ADFM: A/D Result Formed Select bit 1 = Right justified 0 = Left justified bit 6 VCFG: Voltage Reference bit 1 = VREF pin 0 = VDD bit 5-2 CHS<3:0>: Analog Channel Select bits 0000 = Channel 00 (AN0) 0001 = Channel 01 (AN1) 0010 = Channel 02 (AN2) 0011 = Channel 03 (AN3) 0100 = Channel 04 (AN4) 0101 = Channel 05 (AN5) 0110 = Channel 06 (AN6) 0111 = Channel 07 (AN7) 1000 = Channel 08 (AN8) 1001 = Channel 09 (AN9) 1010 = Channel 10 (AN10) 1011 = Channel 11 (AN11) 1100 =CVREF 1101 =VR 1110 = Reserved. Do not use. 1111 = Reserved. Do not use. bit 1 GO/DONE: A/D Conversion Status bit 1 = A/D conversion cycle in progress. Setting this bit starts an A/D conversion cycle. This bit is automatically cleared by hardware when the A/D conversion has completed. 0 = A/D conversion completed/not in progress bit 0 ADON: A/D Conversion Status bit 1 = A/D converter module is operating 0 = A/D converter is shut-off and consumes no operating current 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 U-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0 U-0 — ADCS2 ADCS1 ADCS0 — — — — bit 7 bit 0 bit 7: Unimplemented: Read as ‘0’ bit 6-4: ADCS<2:0>: A/D Conversion Clock Select bits 000 =FOSC/2 001 =FOSC/8 010 =FOSC/32 x11 =FRC (clock derived from a dedicated internal oscillator = 500 kHz max) 100 =FOSC/4 101 =FOSC/16 110 =FOSC/64 bit 3-0: Unimplemented: Read as ‘0’ 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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