參數(shù)資料
型號(hào)： MB90F483PFV
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 30/101頁
文件大?。?/td> 1129K
代理商： MB90F483PFV
MB90480 Series
34
4.
8/10-bit A/D Converter
The A/D converter converts analog input voltage input voltages to digital values, and provides the following
features.
Conversion time : minimum 3.68
s per channel
(92 machine cycles at 25 MHz machine clock, including sampling time)
Sampling time : minimum 1.92
s per channel
(48 machine cycles at 25 MHz machine clock)
RC sequential comparison conversion method, with sample & hold circuit.
8-bit or 10-bit resolution
Analog input selection of 8 channels
Single conversion mode : Conversion from one selected channel.
Scan conversion mode : Conversion from multiple consecutive channels, programmable selection of up to
8 channels.
Continuous conversion mode : Repeated conversion of specified channels.
Stop conversion mode : Conversion from one channel followed by a pause until the next activation.
At the end of A/D conversion, an A/D conversion completed interrupt request can be generated. The interrupt
can be used activate the
DMA in order to transfer the results of A/D conversion to memory for efficient
continuous processing.
The starting factor conversion may be selected from software, external trigger (falling edge) , or timer (rising
edge) .
(1) Register List
ADCS2, ADCS1 (Control status register)
ADCR2, ADCR1 (Data register)
ADCS1
Address : 000046H
←Initial value
←Bit attributes
ADCS2
bit
Address : 000047H
←Initial value
←Bit attributes
ADCR1
bit
Address : 000048H
←Initial value
←Bit attributes
ADCR2
bit
Address : 000049H
←Initial value
←Bit attributes
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
76
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
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
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
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