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參數(shù)資料
| 型號： | HT82J30A |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 16 Channel A/D MCU with SPI Interface |
| 中文描述： | 16通道A / D轉(zhuǎn)換，SPI接口單片機 |
| 文件頁數(shù)： | 17/47頁 |
| 文件大?。?/td> | 312K |
| 代理商： | HT82J30A |
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HT82J30R/HT82J30A
Rev. 1.00
17
December 20, 2006
lines should be set as output pins using software in-
structions to minimise power consumption should they
be inadvertently setup as floating inputs.
Pulse Width Modulator
PWM
The microcontroller provides a single channel (6+2) bit
Pulse Width Modulator output shared with pin PD0. Its
data register is known as PWM. The frequency source
for the PWM counter comes from f
SYS
. The PWM regis-
ter is an eight bit register. If the configuration option se-
lects pin PD0 to be a PWM output, and if the pin is setup
as an output by setting bit PDC.0 to 0 , then writing 1 to
the PD0 data register will enable the PWM output func-
tion. Writing a 0 will force the PD0 to stay at 0 .
A PWM cycle is divided into four modulation cycles
(modulation cycle 0~modulation cycle 3). Each modula-
tion cycle has 64 PWM input clock periods. In a (6+2) bit
PWM function, the contents of the PWM register is di-
vided into two groups. Group 1 of the PWM register is
denotedbyDCwhichhasthevalueofPWM.7~PWM.2.
Group 2 is denoted by AC which has the value of
PWM.1~PWM.0.
In a PWM cycle, the duty cycle of each modulation cycle
is shown in the table.
Parameter
AC (0~3)
Duty Cycle
Modulation cycle i
(i=0~3)
i<AC
DC+1
64
i AC
DC
64
The modulation frequency, cycle frequency and cycle
duty of the PWM output signal are summarized in the
following table.
PWM
Modulation
Frequency
PWM Cycle
Frequency
PWM Cycle
Duty
f
SYS
/64
f
SYS
/256
[PWM]/256
*
3
4
I
4
J K
I
4
J K
4
I
4
J K
4
I
4
J K
,
4
4
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3
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2
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4
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# % # 2
PWM
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| HT82J30R | 16 Channel A/D MCU with SPI Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
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| HT82J30R | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:16 Channel A/D MCU with SPI Interface |
| HT82J927A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Gamepad |
| HT82J97A_08 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Joystick Encoder 8-Bit MCU |
| HT82J97E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Joystick Encoder 8-Bit OTP MCU |
| HT82J97E_08 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Joystick Encoder 8-Bit MCU |
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