參數(shù)資料
型號(hào): 20-101-1105
廠商: Rabbit Semiconductor
文件頁(yè)數(shù): 66/112頁(yè)
文件大小: 0K
描述: MODULE RCM4100 RABBITCORE
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore®
模塊/板類型: MPU 核心模塊
適用于相關(guān)產(chǎn)品: RCM4100
其它名稱: 316-1121
User’s Manual
53
anaIn
int anaIn(unsigned int channel, int opmode, int gaincode);
DESCRIPTION
Reads the value of an analog input channel using the Direct Mode method of addressing
the A/D converter. Note that it takes about 1 second to ensure an internal capacitor on
the A/D converter is charged when the function is called the first time.
PARAMETERS
channel
the channel number (0 to 7) corresponding to LN0 to LN7.
opmode
the mode of operation:
SINGLE
—single-ended input
DIFF
—differential input
mAMP
—4–20 mA input
gaincode
the gain code of 0 to 7 (applies only to Prototyping Board):
channel
SINGLE
DIFF
mAMP
0
+AIN0
+AIN0 -AIN1
+AIN0*
* Not accessible on Prototyping Board.
1
+AIN1
+AIN1 -AIN0*
2
+AIN2
+AIN2 -AIN3
+AIN2*
3
+AIN3
+AIN3 -AIN2*
+AIN3
4
+AIN4
+AIN4 -AIN5
+AIN4
5
+AIN5
+AIN5 -AIN4*
+AIN5
6
+AIN6
+AIN6 -AIN7*
+AIN6
7
+AIN7
+AIN7 -AIN6*
Gain Code
Gain
Multiplier
Voltage Range*
(V)
* Applies to Prototyping Board.
0
×1
0–22.5
1
×2
0–11.25
2×4
0–5.6
3×5
0–4.5
4×8
0–2.8
5
×10
0–2.25
6
×16
0–1.41
7
×20
0–1.126
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