參數(shù)資料
型號: UPD784907GF
廠商: NEC Corp.
英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16位單片機
文件頁數(shù): 42/98頁
文件大?。?/td> 657K
代理商: UPD784907GF
μ
PD784907, 784908
42
Data Sheet U11680EJ2V0DS00
8.6 PWM Output (PWM0, PWM1)
Two channels of PWM (pulse width modulation) output circuitry with a resolution of 12 bits and a repetition frequency
of 24.57 kHz (fCLK = 6.29 MHz) are incorporated. Low or high active level can be selected for the PWM output
channels, independently of each other. This output is best suited to DC motor speed control.
Figure 8-8. Block Diagram of PWM Output Unit
(Modulo register)
PWM control register
(PWMC)
Reload
control
Prescaler
8-bit
down-counter
Pulse control
circuit
4-bit counter
Output
control
PWMn (output pin)
1/256
f
CLK
8
4
16
8
PWMn 15
0
8 7
4 3
Internal bus
Remark
n = 0, 1
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