MikroElektronika PIC Microcontrollers PIC18 Manual do Utilizador descarregar pdf (Página 59)

Robotics experiment with PIC microcontroller l 59

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: ADC Enable bit

1 = ADC is enabled

0 = ADC is disabled and consumes no operating current

5.2.2 ADCON1 : A/D Control register 1

Detail of each bit in ADCON1 register is shown below.

ADFM -

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U-0

- VCFG1 VCFG0 - - -

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U-0 U-0 U-0R/W-0 R/W-0R/W-0U-0

bit 7 - ADFM: A/D Conversion Result Format Select bit

1 = Right justified

0 = Left justified

bit 6 - Unimplemented: Read as “0”

bit 5 - VCFG1: Voltage Reference bit

1 = VREF- pin

0 = Vss

bit 4 - VCFG0: Voltage Reference bit

1 = VREF+ pin

0 = V

bit 3 to 0 - Unimplemented: Read as ‘0’

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 87 88

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MikroElektronika PIC Microcontrollers PIC18 Manual do Utilizador Página 59