参数资料
型号: MB89PV950CF
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 5 MHz, MICROCONTROLLER, CQFP64
封装: 0.80 MM PITCH, PIGGY BACK, MQFP-64
文件页数: 51/110页
文件大小: 619K
代理商: MB89PV950CF
HARDWARE CONFIGURATION
2– 30
2.2.3 Pulse-width Count Timer (Timer 2)
This timer has timer and pulse-width measurement functions.
The timer function has two modes: reload timer and one-shot.
In the reload timer mode, the set values are counted down repeatedly.
In the one-shot mode, counting down is started from the set values and
stops at the first underflow.
The pulse-width measurement function enables measurement of High,
Low, or one-cycle widths of pulses input from pins.
For inputting from pins, the 5-bit noise-clearing circuit is selectable.
(1) Block diagram
Peripherals
Internal-data bus
PCR2
Selector
NCCR
PCR1
Function switching circuit
Timing generator
8-bit down counter
RLBR
1/2
1/8
1/64
Input-pulse edge
detector
P42/PWC/
INT1
IRQ3
Noise clear
Selector
To PWM timer
CPU clock pulse*
From time-base
timer
* The CPU clock pulse is an oscillation-divided pulse.
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