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參數資料
| 型號： | AS5043 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 同步/旋轉傳感器 |
| 英文描述： | 10-bit (SSI, analog) |
| 中文描述： | 可編程360Σ式磁角編碼器的絕對小型工業(yè)和模擬輸出 |
| 文件頁數： | 16/36頁 |
| 文件大?。?/td> | 719K |
| 代理商： | AS5043 |
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AS5043
Data Sheet – Programming the AS5043
www.austriamicrosystems.com
Revision 1.80
16 – 36
Table 5: Digital Range Selector Programming Option
Output
Range1
Output
Range0
Mode
Note
0
0
0
0°
256
90°
180°
270°
360°
0
angle*)
360° angular range (default)
1023
512
768
1024
default mode,
analog resolution= 10bit
(1024 steps) over 360°
analog step size:
1LSB = 0.35°
0
1
0
0°
90°
180°
270°
360°
0
angle
180° angular range
1023
256
512
768
1024
analog resolution= 10bit
(1024 steps) over 180°
Analog step size:
1LSB = 0.175°
1
0
0
0°
90°
180°
270°
360°
0
angle
90° angular range
1023
256
512
768
1024
analog resolution= 10bit
(1024 steps) over 90°
Analog step size:
1LSB = 0.088°
1
1
0
0°
90°
180°
225°
360°
0
angle
45° angular range
511
256
512
640
1024
128
45°
analog resolution=
9 bit (512 steps) over 45°
Analog step size:
1LSB = 0.088°
*) Note: the resolution on the digital SSI interface is always 10bit (0.35°/step) over 360°, independent on analog mode
12.3 Repeated OTP Programming
Although a single AS5043 OTP register bit can be programmed only once (from 0 to 1), it is possible to program other,
unprogrammed bits in subsequent programming cycles. However, a bit that has already been programmed should not be
programmed twice. Therefore it is recommended that bits that are already programmed are set to “0” during a
programming cycle.
12.4 Non-permanent Programming
It is also possible to re-configure the AS5043 in a non-permanent way by overwriting the OTP register.
This procedure is essentially a “Write Data” sequence (see Figure 10) without a subsequent OTP programming cycle.
The “Write Data” sequence may be applied at any time during normal operation. This configuration remains set while the
power supply voltage is above the power-on reset level (see 19.5).
See Application Note AN5000-20 for further information.
12.5 Digital-to-Analog Converter (DAC)
The DAC has a resolution of 10bit (1024 steps) and can be configured for the following options.
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