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): 113/173頁
文件大?。?/td> 965K
代理商: 37C672
1-29
HARDWARE
3802 GROUP USER’S MANUAL
AB
C
B
T
C
T2
=
PWM output
PWM register
write signal
PWM prescaler
write signal
(Changes from “A” to “B” during “H” period)
(Changes from “T” to “T2” during PWM period)
When the contents of the PWM register or PWM prescaler have changed, the PWM
output will change from the next period after the change.
T
T2
Fig. 28 Structure of PWM control register
Fig. 29 PWM output timing when PWM register or PWM prescaler is changed
PWM control register
(PWMCON : address 002B16)
PWM function enable bit
Count source selection bit
Not used (return “0” when read)
b7
b0
0: PWM disabled
1: PWM enabled
0: f(XIN)
1: f(XIN)/2
FUNCTIONAL DESCRIPTION
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