參數(shù)資料
型號: 37C672
廠商: SMSC Corporation
英文描述: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述: 增強的超級I / O控制器,快速紅外線
文件頁數(shù): 15/173頁
文件大?。?/td> 965K
代理商: 37C672
APPLICATION
2.4 PWM
2-54
3802 GROUP USER’S MANUAL
2.4.2 Related registers
PWM control register
b7 b6 b5 b4 b3 b2 b1 b0
B
At reset
RW
0
1
2
3
4
5
6
7
0
PWM control register (PWMCON) [Address:2B16]
Function
Name
Nothing is arranged for these bits. These are write disabled bits.
When these bits are read out, the contents are "0".
PWM function enable bit
0 : PWM disabled
1 : PWM enabled
!
Count source selection bit
0 : f(XIN)
1 : f(XIN)/2
Fig. 2.4.2 Structure of PWM control register
PWM prescaler
b7 b6 b5 b4 b3 b2 b1 b0
B
Function
At reset
RW
0
1
2
3
4
5
6
7
?
PWM prescaler (PREPWM) [Address : 2C16]
PWM cycle is set.
The values set in this register is written to both the PWM
prescaler pre-latch and the PWM prescaler latch at the same
time.
When data is written during outputting PWM, the pulses
corresponding to the changed contents are output starting with
the next cycle.
When this register is read out, the content of the PWM prescaler
latch is read out.
q
Fig. 2.4.3 Structure of PWM prescaler
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