參數(shù)資料
型號(hào)： MB90478PFV
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-Bit Proprietary Microcontroller
中文描述： 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 39/118頁
文件大小： 555K
代理商： MB90478PFV
MB90470 Series
39
4.
8/10-bit A/D Converter
The A/D converter converts analog input voltages into digital values, and provides the following features :
Conversion time : minimum 4.9
μ
s per channel
(at 98 machine cycles/machine clock 20 MHz, including sampling time)
Sampling time : minimum 3.0
μ
s per channel
(at 60 machine cycles/machine clock 20 MHz)
Uses RC sequential comparison conversion with sample & hold circuit.
Selection of 8- or 10-bit resolution
Analog input from 8 channels, by program selection
Single conversion mode : Convert 1 selected channel
Scan conversion mode : Convert multiple consecutive channels. Select up to 8 channels by program selection.
Continuous conversion mode : Convert specified channel continuously.
Stop conversion mode : Convert one channel, pause and stand by until the next start. (Simultaneous conversion
start available.)
At the end of A/D conversion, an A/D conversion end interrupt request can be sent to the CPU. This interrupt
request can start the
μ
DMA and transfer the conversion data to memory, making it ideal for continuous
processing.
Start sources include selection of software, external trigger (falling edge) , or timer (rising edge) .
(1) Register List
ADCS2, ADCS1 (Control status registers)
ADCR2, ADCR1 (Data registers)
ADCS1
Address : 000046
H
←
Default value
←
Bit attributes
ADCS2
Address : 000047
H
bit
←
Default value
←
Bit attributes
ADCR1
Address : 000048
H
bit
←
Default value
←
Bit attributes
ADCR2
Address : 000049
H
bit
←
Default value
←
Bit attributes
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
7
6
5
4
3
2
1
0
MD0
0
R/W
MD1
ANS2
ANS1
ANS0
ANE2
ANE1
ANE0
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
7
6
5
4
3
2
1
0
D6
X
R
D7
D5
D4
D3
D2
D1
D0
0
W
0
W
0
W
0
W
X
R
X
R
X
R
15
14
13
12
11
10
9
8
ST1
0
R/W
S10
ST0
CT1
CT0
D9
D8
相關(guān)PDF資料
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