參數(shù)資料
型號(hào): PIC10F202-E/P
廠商: Microchip Technology
文件頁(yè)數(shù): 57/94頁(yè)
文件大?。?/td> 0K
描述: IC PIC MCU FLASH 512X12 8DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
標(biāo)準(zhǔn)包裝: 60
系列: PIC® 10F
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 3
程序存儲(chǔ)器容量: 768B(512 x 12)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 24 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 8-DIP(0.300",7.62mm)
包裝: 管件
配用: AC162059-ND - HEADER INTRFC MPLAB ICD2 8/14PIN
61
AT89/83EB5114
4311C–8051–02/08
Figure 29. A/D Converter clock
The conversion frequency CONV_CK is derived from the oscillator frequency with the
following formulas:
FCkAdc = FOscOut / (32 - 2*CKRL), if X2=0
= FOscOut
, if X2=1
and
FCONV_CK = FCkAdc / (2*PRS), if PRS > 0
FCONV_CK = FCkAdc / 256, if PRS = 0
Some examples can be found on table below:
ADC Standby Mode
When the ADC is not used, it is possible to set it in standby mode by clearing bit ADEN
in ADCON register.
Voltage Reference
The voltage reference can be either internal or external.
As input, the VREF pin is used to enter the voltage reference for the A/D conversion.
When the voltage reference is active, the VREF pin is an output. This voltage can be
used for the A/D and for any other application requiring a voltage independent from the
power supply. Voltage typical value is 2.4 volt (See “DC Parameters for A/D Converter”
on page 88.)
IT ADC Management
An interrupt end-of-conversion will occur when the bit ADEOC is activated and the bit
EADC is set. For re-arming the interrupt the bit ADEOC must be cleared by software.
Figure 30. ADC Interrupt Structure
F
OscOut
MHz
X2
CKRL
F
CkAdc
Mhz
PRSw
F
CONV_CK
khz
Conversion
time s
16
0
F
8
12
333
33
16
1
NA
16
32
250
44
Prescaler PRS
A/D
Converter
CONV_CK
CKADC
/ 2
ADEOC
ADCON.4
EADC
IE0.6
ADCI
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