參數(shù)資料
型號(hào): HT46C62
廠商: Holtek Semiconductor Inc.
英文描述: A/D with LCD Type 8-Bit MCU
中文描述: 在A / D液晶型8位微控制器
文件頁數(shù): 20/46頁
文件大?。?/td> 401K
代理商: HT46C62
HT46R62/HT46C62
Rev. 1.60
20
July 14, 2005
A (7+1) bits mode PWM cycle is divided into two modu-
lation cycles (modulation cycle0~modulation cycle 1).
Eachmodulationcyclehas128PWMinputclockperiod.
In a (7+1) bits PWM function, the contents of the PWM
register is divided into two groups. Group 1 of the PWM
register is denoted by DC which is the value of
PWM.7~PWM.1. The group 2 is denoted by AC which is
the value of PWM.0.
In a (7+1) bits mode PWM cycle, the duty cycle of each
modulation cycle is shown in the table.
Parameter
AC (0~1)
Duty Cycle
Modulation cycle i
(i=0~1)
i<AC
DC+1
128
i AC
DC
128
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 for (6+2) bits mode
f
SYS
/128 for (7+1) bits mode
f
SYS
/256
[PWM]/256
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(7+1) PWM Mode
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