參數(shù)資料
型號: PIC16C66-04I/SP
廠商: Microchip Technology
文件頁數(shù): 91/126頁
文件大?。?/td> 0K
描述: IC MCU OTP 8KX14 PWM 28DIP
產(chǎn)品培訓模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝: 15
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
連通性: I²C,SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 22
程序存儲器容量: 14KB(8K x 14)
程序存儲器類型: OTP
RAM 容量: 368 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-DIP(0.300",7.62mm)
包裝: 管件
67
AT90S/LS4433
1042H–AVR–04/03
Figure 47. ADC Timing Diagram, Single Conversion
Figure 48. ADC Timing Diagram, Free Run Conversion
ADC Noise Canceler
Function
The ADC features a Noise Canceler that enables conversion during Idle mode to reduce
noise induced from the CPU core. To make use of this feature, the following procedure
should be used:
1.
Make sure that the ADC is enabled and is not busy converting. Single Conver-
sion mode must be selected and the ADC conversion complete interrupt must be
enabled. Thus:
ADEN = 1
ADSC = 0
ADFR = 0
ADIE = 1
2.
Enter Idle mode. The ADC will start a conversion once the CPU has been halted.
3.
If no other interrupts occur before the ADC conversion completes, the ADC inter-
rupt will wake up the MCU and execute the ADC conversion complete interrupt
routine.
1
2
3
4
5
6
7
8
9
10
11
12
13
Sign and MSB of Result
LSB of Result
ADC Clock
ADSC
ADIF
ADCH
ADCL
Cycle Number
12
One Conversion
Next Conversion
3
Sample & Hold
MUX and REFS
Update
Conversion
complete
MUX and REFS
Update
11
12
13
MSB of Result
LSB of Result
ADC Clock
ADSC
Hold Strobe
ADIF
ADCH
ADCL
Cycle Number
12
One Conversion
Next
Conversion
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