參數(shù)資料
型號: M30240S9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述: 單片16位CMOS微機
文件頁數(shù): 79/142頁
文件大小: 1637K
代理商: M30240S9-XXXFP
1-79
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
Timer A
Figure 1.68: Example of how a 16-bit pulse-width modulator operates
Figure 1.69: Example of how an 8-bit pulse-width modulator operates
1 / f
i
X
(2 – 1)
Count source
TA
iIN
pin
input signal
PWM pulse output
from TA
iOUT
pin
Condition : Reload register = 0003
16
, when external trigger
(rising edge of TA
iIN
pin input signal) is selected
Trigger is not generated by this signal
“H”
“H”
“L”
“L”
Timer Ai interrupt
request bit
“1”
“0”
Cleared to “0” when interrupt request is accepted, or cleared by software
f
i
: Frequency of count source
(f
1
, f
8
, f
32
)
Note: n = 0000
16
to FFFE
16
.
1 / f
i
X
n
Count source (Note1)
TA
iIN
pin input signal
Underflow signal of
8-bit prescaler (Note2)
PWM pulse output
from TA
iOUT
pin
“H”
“H”
“H”
“L”
“L”
“L”
“1”
“0”
Timer Ai interrupt
request bit
Cleared to “0” when interrupt request is accepted, or cleared by software
f
i
: Frequency of count source
(f
1
, f
8
, f
32
)
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 = 00
16
to FE
16
; n = 00
16
to FE
16
.
Condition : Reload register high-order 8 bits = 02
16
Reload register low-order 8 bits = 02
16
External trigger (falling edge of TA
iIN
pin input signal) is selected
1 / f
i
X (m
+ 1) X (2 – 1)
1 / f
i
X (m + 1) X n
1 / f
i
X (m + 1)
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