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參數(shù)資料
| 型號： | MB90803PF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 29/88頁 |
| 文件大小： | 874K |
| 代理商： | MB90803PF |
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MB90800 Series
35
5.
8/10-bit A/D converter
A/D converter converts an analog input voltage into digital value. The feature of A/D converter is shown as follows.
conversion time : 3.1
s minimum per 1 channel
(78 machine cycle/at machine clock 25 MHz/including the sampling time)
Sampling time : 2.0
s minimum per 1channel
(50 machine cycle/at machine clock 25 MHz)
Uses RC-type successive approximation conversion method with a sample & hold circuit
8-bit resolution or 10-bit resolution can be select.
12 channel program-selectable analog inputs.
Single conversion mode
: Convert 1 specified channel
Scan conversion mode
: Continuous plural channels (maximum 12 channels can be programmed) are
converted.
Continuous conversion mode : Selected channel converted continuously.
Stop conversion time
: Perform conversion for one channel, then wait for the next activation trigger
(synchronizes the conversion start timing)
EI2OS can be activated by outputting the interrupt request when the A/D conversion completes.
If the A/D conversion is performed under the condition of the interrupt enable, the converting data will be
protected.
Selectable conversion activation trigger : Software, or reload timer (rising edge)
(1) Register list
ADCS1, ADCS0 (Control status register)
ADCR1, ADCR0 (data register)
ADCS0
Address : 000034H
←Initial Value
←bit
ADCS1
bit
Address : 000035H
←Initial Value
←bit
ADCR0
bit
Address : 000036H
←Initial Value
←bit
ADCR1
bit
Address : 000037H
←Initial Value
←bit
0
R/W
76
5
4
3
2
1
0
MD0
0
R/W
MD1
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
W
0
R/W
15
14
13
12
11
10
9
8
INT
0
R/W
BUSY
INTE
PAUS
STS1
STS0
STRT
Reserved
X
R
X
R
X
R
X
R
X
R
X
R
X
R
76
5
4
3
2
1
0
D6
X
R
D7
D5
D4
D3
D2
D1
D0
0
W
1
W
0
W
1
W
X
R
X
R
15
14
13
12
11
10
9
8
ST1
0
W
S10
ST0
CT1
CT0
D9
D8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90803PF-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
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| MB90803SPF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS |
| MB90803SPF-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90820 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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