參數(shù)資料
型號(hào): MB91F158PMC1
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PQFP120
封裝: 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LQFP-120
文件頁(yè)數(shù): 39/92頁(yè)
文件大?。?/td> 2193K
代理商: MB91F158PMC1
MB91F158 Series
44
DS07-16316-2E
6.
8/10-bit A/D Converter (Sequential Conversion Type)
The A/D converter is a module that converts analog input voltage into a digital value. Its features are as follows :
A minimum conversion time of 5.2
s/ch. (Including sampling time at a 32 MHz peripheral clock)
Contains a sample and hold circuit.
Resolution : 10 or 8 bits selectable.
Selection of analog input from eight channels by program
Selection of an invoking factor from software, external pin trigger (falling edge) , and 16-bit reload timer (rising
edge) .
Block Diagram
Single conversion mode
: Selects and converts one channel.
Continuous conversion mode : Converts a specified channel repeatedly.
Stop and convert mode
: Stops after converting one channel and stands by until invoked the next
time. (Conversion invoking can be synchronized.)
φ
MPX
Decoder
Comparator
Data register
A/D control register 1
A/D control register 2
Sample & hold circuit
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
ADCR
D/A converter
Sequential compare
register
Input
circuit
ADCS1
, 2
Operating clock
Prescaler
16-bit reload timer 2
External pin trigger
AVSS
AVRL,
AVRH
AVSS
R-
bu
s
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