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  • High Resolution Pulse   (1 ÆäÀÌÁö)
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High Resolution Pulse

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ÆÄÀÏ : High Resolution Pulse.pptx   [Size : 856 Kbyte ]
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°¡°Ý  1,000 ¿ø

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º»¹®/³»¿ë
_SLIDE_1_
High Resolution Pulse Width Modulator
_SLIDE_2_

1. Overview

_SLIDE_3_

2. ePWM

_SLIDE_4_

3. HR-PWM

_SLIDE_5_

4. ePWM vs HRPWM

150MHz(6.67nsec)ÀÇ Å¬·°À» ±âÃÊ·Î °è¼öÇÏ´Â 16-bit ŸÀ̸Ӹ¦ ÅëÇØ, º¯Á¶ÁÖÆļö(Carrier Frequency) 1MHzÀÇ PWM ½ÅÈ£¸¦ »ý¼ºÇÒ °æ¿ì (ŸÀÌ¸Ó Up-count ±âÁØ)
16-Bit ŸÀ̸ÓÀÇ Áֱ⠷¹Áö½ºÅÍ °ªÀº
150(0x0096)
ÀÏ¹Ý PWMÀ¸·Î Á¦¾î °¡´ÉÇÑ ÃÖ¼Ò ÆÞ½º-ÆøÀº
100% / 150´Ü°è = 0.6666%
HR-PWMÀ¸·Î Á¦¾î °¡´ÉÇÑ ÃÖ¼Ò ÆÞ½º-ÆøÀº
MEP Scale factor 50 ±âÁØ
100% / (150´Ü°è 50½ºÅÜ) = ¾à 0.01333%
¸¸¾à, 35.123%ÀÇ ÆÞ½º-ÆøÀ» ±¸ÇöÇÏ°í ½Í´Ù¸é
ÀÏ¹Ý PWMÀ» »ç¿ëÇÒ °æ¿ì
34.66632% ¿Í 35.33298% Áß ¼±Åà °¡´É
HR-PWMÀ» »ç¿ëÇÒ °æ¿ì

35.11122% ¿Í 35.12455% Áß ¼±Åà °¡´É

_SLIDE_6_
5. Mode
Edge Mode
RE(Rising Edge), FE(Falling Edge), BE(Both Edge)
Control Mode
Duty cycle control, Phase control
Sha¡¦(»ý·«)

6. Registers



ÀÚ·áÁ¤º¸
ID : tjff******
Regist : 2013-04-29
Update : 2013-04-29
FileNo : 11067774

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High   Resolution   Pulse  


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