PIC16F1827-I/SS Microchip Technology Inc., PIC16F1827-I/SS Datasheet - Page 144
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PIC16F1827-I/SS
Manufacturer Part Number
PIC16F1827-I/SS
Description
20 SSOP .209in TUBE, 7 KB Flash, 384 bytes RAM, 32 MHz Int. Osc, 16 I/0, Enhance
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F1826-ISO.pdf
(406 pages)
Specifications of PIC16F1827-I/SS
A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
8 MIPS
Eeprom Memory
256 Bytes
Input Output
16
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin SSOP
Programmable Memory
7K Bytes
Ram Size
384 Bytes
Speed
32 MHz
Timers
4-8-bit, 1-16-bit
Voltage, Range
1.8-5.5 V
Standby Current (pic16lf182x)
30 nA @ 1.8 V, Typical
Lead Free Status / Rohs Status
RoHS Compliant part
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F1827-I/SS
Manufacturer:
NELL
Quantity:
45
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PIC16(L)F1826/27
16.2.6
This is an example procedure for using the ADC to
perform an Analog-to-Digital conversion:
1.
2.
3.
4.
5.
6.
7.
8.
DS41391D-page 144
Note 1: The global interrupt can be disabled if the
Configure Port:
• Disable pin output driver (Refer to the TRIS
• Configure pin as analog (Refer to the ANSEL
Configure the ADC module:
• Select ADC conversion clock
• Configure voltage reference
• Select ADC input channel
• Turn on ADC module
Configure ADC interrupt (optional):
• Clear ADC interrupt flag
• Enable ADC interrupt
• Enable peripheral interrupt
• Enable global interrupt
Wait the required acquisition time
Start conversion by setting the GO/DONE bit.
Wait for ADC conversion to complete by one of
the following:
• Polling the GO/DONE bit
• Waiting for the ADC interrupt (interrupts
Read ADC Result.
Clear the ADC interrupt flag (required if interrupt
is enabled).
register)
register)
enabled)
2: Refer to
A/D CONVERSION PROCEDURE
user is attempting to wake-up from Sleep
and resume in-line code execution.
Requirements”.
Section 16.4 “A/D Acquisition
(1)
(2)
.
EXAMPLE 16-1:
;This code block configures the ADC
;for polling, Vdd and Vss references, Frc
;clock and AN0 input.
;
;Conversion start & polling for completion
; are included.
;
BANKSEL
MOVLW
MOVWF
BANKSEL
BSF
BANKSEL
BSF
BANKSEL
MOVLW
MOVWF
CALL
BSF
BTFSC
GOTO
BANKSEL
MOVF
MOVWF
BANKSEL
MOVF
MOVWF
ADCON1
B’11110000’ ;Right justify, Frc
ADCON1
TRISA
TRISA,0
ANSEL
ANSEL,0
ADCON0
B’00000001’ ;Select channel AN0
ADCON0
SampleTime
ADCON0,ADGO ;Start conversion
ADCON0,ADGO ;Is conversion done?
$-1
ADRESH
ADRESH,W
RESULTHI
ADRESL
ADRESL,W
RESULTLO
A/D CONVERSION
2011 Microchip Technology Inc.
;
;clock
;Vdd and Vss Vref
;
;Set RA0 to input
;
;Set RA0 to analog
;
;Turn ADC On
;Acquisiton delay
;No, test again
;
;Read upper 2 bits
;store in GPR space
;
;Read lower 8 bits
;Store in GPR space
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