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參數(shù)資料
| 型號： | TLE5012-E0318 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | POSITION SENSOR, PDSO8 |
| 封裝： | GREEN, PLASTIC, DSO-8 |
| 文件頁數(shù)： | 41/56頁 |
| 文件大?。?/td> | 2614K |
| 代理商： | TLE5012-E0318 |
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TLE5012
Specification
Target Data Sheet
46
V 0.41, 2009-02
Y-raw Value Register
3.5.2
Pulse Width Modulation Interface
The Pulse Width Modulation (PWM) Interface can be selected by connecting CLK to VDD.
The PWM update rate can be programmed within the register 0EH (IFAB_RES) in following steps:
0.25 kHz with 12 bit resolution
0.5 kHz with 11 bit resolution
1.0 kHz with 10 bit resolution (default)
2.0 kHz with 9 bit resolution
PWM uses a square wave with constant frequency whose duty cycle is modulated resulting in an average value
of the waveform.
Figure 21 shows the principle behavior of a PWM with different duty cycles and the definition of timing values. The
duty cycle of a PWM is defined by following general formulas:
(3)
The range between 0 - 6.25% and 93.75 - 100% is used only for diagnostic purposes. More details are given in
ADC_Y
Offset
Reset Value
Y-raw value
11H
0000H
Field
Bits
Type
Description
ADC_Y
15:0
r
ADC value of Y-GMR
Updated when ADC_X or ADC_Y is read.
Reset: 0H
PWM
off
on
PWM
on
t
f
t
Cycle
Duty
1
=
+
=
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