參數(shù)資料
型號： M30220FCGP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 134/161頁
文件大?。?/td> 0K
代理商： M30220FCGP
Timer A
Mitsubishi microcomputers
M30220 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
74
Item
Specification
Count source
Two-phase pulse signals input to TAiIN or TAiOUT pin
Count operation
Up count or down count can be selected by two-phase pulse signal
When the timer overflows or underflows, the reload register content is
reloaded and the timer starts over again (Note 1)
Divide ratio
1/ (FFFF16 - n + 1) for up count
1/ (n + 1) for down count
n : Set value
Count start condition
Count start flag is set (= 1)
Count stop condition
Count start flag is reset (= 0)
Interrupt request generation timing
Timer overflows or underflows
TAiIN pin function
Two-phase pulse input
TAiOUT pin function
Two-phase pulse input
Read from timer
Count value can be read out by reading timer A2, A3, A4 or A7 register
Write to timer
When counting stopped
When a value is written to timer A2, A3, A4 or A7 register, it is written to both
reload register and counter
When counting in progress
When a value is written to timer A2, A3, A4 or A7 register, it is written to only
reload register. (Transferred to counter at next reload time.)
Select function (Note 2)
Normal processing operation
The timer counts up rising edges or counts down falling edges on the TAiIN
pin when input signal on the TAiOUT pin is “H”
Multiply-by-4 processing operation
If the phase relationship is such that the TAiIN pin goes “H” when the input
signal on the TAiOUT pin is “H”, the timer counts up rising and falling edges
on the TAiOUT and TAiIN pins. If the phase relationship is such that the
TAiIN pin goes “L” when the input signal on the TAiOUT pin is “H”, the timer
counts down rising and falling edges on the TAiOUT and TAiIN pins.
Note 1: This does not apply when the free-run function is selected.
Note 2: Timer A3 alone can be selected. Timer A2 and timer A7 are fixed to normal processing operation,
and timer A4 is fixed to multiply-by-4 processing operation.
Table 1.13.3. Timer specifications in event counter mode (when processing two-phase pulse signal with timers A2, A3, A4 and A7)
TAiOUT
Up
count
Up
count
Up
count
Down
count
Down
count
Down
count
TAiIN
(i=2, 3, 7)
TAiOUT
TAiIN
(i=3, 4)
Count up all edges
Count down all edges
相關(guān)PDF資料
PDF描述
M30220MA-XXXGP 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
M30220MA-XXXRP 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
M30220MA-XXXRP 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
M30220MA-XXXGP 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
M30220FCGP 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP144
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