参数资料
型号: M30201F4T-FP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
封装: PLASTIC, QFP-56
文件页数: 113/158页
文件大小: 1633K
代理商: M30201F4T-FP
58
Under
development
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer A
Figure 1.46. Example of how a 16-bit pulse width modulator operates
Figure 1.47. Example of how an 8-bit pulse width modulator operates
1 / fi X (2
– 1)
16
Count source
TA0IN pin
input signal
PWM pulse output
from TA0OUT pin
Condition : Reload register = 000316, when external trigger
(rising edge of TA0IN pin input signal) is selected
Trigger is not generated by this signal
“H”
“L”
Timer A0 interrupt
request bit
“1”
“0”
Cleared to “0” when interrupt request is accepted, or cleared by software
fi : Frequency of count source
(f1, f8, f32, fC32)
Note: n = 000016 to FFFF16.
1 / fi X n
Count source (Note1)
TA0IN pin input signal
Underflow signal of
8-bit prescaler (Note2)
PWM pulse output
from TA0OUT pin
“H”
“L”
“1”
“0”
Timer A0 interrupt
request bit
Cleared to “0” when interrupt request is accepted, or cleaerd by software
fi : Frequency of count source
(f1, f8, f32, fC32)
Note 1: The 8-bit prescaler counts the count source.
Note 2: The 8-bit pulse width modulator counts the 8-bit prescaler's underflow signal.
Note 3: m = 0016 to FF16; n = 0016 to FF16.
Condition :
Reload register high-order 8 bits = 0216
Reload register low-order 8 bits = 0216
External trigger (falling edge of TA0IN pin input signal) is selected
1 / fi X (m + 1) X (2 – 1)
8
1 / fi X (m + 1) X n
1 / fi X (m + 1)
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