參數(shù)資料
型號: M30240M1-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP80
封裝: 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 92/125頁
文件大?。?/td> 753K
代理商: M30240M1-XXXFP
Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
71
CONFIDENTIAL
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
Timer A
Table 18:
Timer specication in even counter mode (when processing two-phase pulse signal with
timers A2, A3, and A4)
Item
Specication
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 overow or underows, the reload register content is reloaded and the
timer starts over again (Note)
Divide ratio
1/ (FFF16 - n + 1) for up count
1/ (n+1) for down count
n : Set value
Count start condition
Count start ag is set (=1)
Count stop condition
Count start ag is reset (=0)
Interrupt request
generation timing
Timer overow or underows
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, or A4 register
Writer to timer
When counting stopped
When a value is written to timer A2, A3, or A4 register, it is written to both reload register
and counter
When counting in progress
When a value is written to timer A2, A3, or A4 register, it is written to only reload register
(Transferred to counter at next reload time.)
Select function
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 T
AiIN pin goes “L” when the input signal on the
TAiOUT pin is “H”, the timer counts rising and falling edges on the TAiOUT and TAiIN pins.
Note
This does not apply when the free-run function is selected.
TAiOUT
TAiIN
(i=2,3)
Up
count
Up
count
Up
count
Down
count
Down
count
Down
count
Count up all edges
Count down all edges
Count up all edges
TAiOUT
T
AiIN
(i=3,4)
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