參數(shù)資料
型號: PIC12C67X
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
中文描述: 8引腳,8位CMOS微控制器與A / D轉(zhuǎn)換器和EEPROM數(shù)據(jù)存儲器
文件頁數(shù): 50/129頁
文件大小: 931K
代理商: PIC12C67X
PIC12C67X
DS30561B-page 50
1999 Microchip Technology Inc.
8.4
Example 8-2 shows how to perform an A/D conversion.
The GPIO pins are configured as analog inputs. The
analog reference (V
REF
) is the device V
DD
. The A/D
interrupt is enabled and the A/D conversion clock is
F
RC
. The conversion is performed on the GP0 channel.
A/D Conversions
Note:
The GO/DONE bit should
NOT
be set in
the same instruction that turns on the A/D.
Clearing the GO/DONE bit during a conversion will
abort the current conversion. The ADRES register will
NOT be updated with the partially completed A/D con-
version sample. That is, the ADRES register will con-
tinue to contain the value of the last completed
conversion (or the last value written to the ADRES reg-
ister). After the A/D conversion is aborted, a 2T
AD
wait
is required before the next acquisition is started. After
this 2T
AD
wait, an acquisition is automatically started on
the selected channel.
EXAMPLE 8-2:
DOING AN A/D CONVERSION
BSF STATUS, RP0 ; Select Page 1
CLRF ADCON1 ; Configure A/D inputs
BSF PIE1, ADIE ; Enable A/D interrupts
BCF STATUS, RP0 ; Select Page 0
MOVLW 0xC1 ; RC Clock, A/D is on, Channel 0 is selected
MOVWF ADCON0 ;
BCF PIR1, ADIF ; Clear A/D interrupt flag bit
BSF INTCON, PEIE ; Enable peripheral interrupts
BSF INTCON, GIE ; Enable all interrupts
;
; Ensure that the required sampling time for the selected input channel has elapsed.
; Then the conversion may be started.
;
BSF ADCON0, GO ; Start A/D Conversion
: ; The ADIF bit will be set and the GO/DONE bit
: ; is cleared upon completion of the A/D Conversion.
相關(guān)PDF資料
PDF描述
pic12ce674 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter(具A/D轉(zhuǎn)換器和EEPROM數(shù)據(jù)存儲器的8位微控制器)
PIC12CR509A 8-Pin, 8-Bit CMOS Microcontrollers
PIC12F505 8/14-Pin, 8-Bit Flash Microcontrollers
PIC12F506 8/14-Pin, 8-Bit Flash Microcontroller
PIC12F510_07 8/14-Pin, 8-Bit Flash Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12C67X_13 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
PIC12CE-04/EJW 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontrollers
PIC12CE-04/EP 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontrollers
PIC12CE-04/ESM 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontrollers
PIC12CE-04/ESN 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontrollers