參數(shù)資料
型號(hào): 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(jī)
文件頁(yè)數(shù): 74/142頁(yè)
文件大小: 1637K
代理商: M30240S9-XXXFP
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1-74
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 1.64: Timer Ai mode register in event counter mode, single signal
Table 1.19 shows the Timer specification in event counter mode when processing two-phase signal with timers
A2, A3, and A4.
Figure 1.65 shows Timer Ai mode register in event counter mode when processing two-phase signal.
Note 1: In event counter mode, the count source is selected by the event / trigger select bit
(addresses 0382
16
and 0383
16
).
Note 2: The settings of the corresponding port register and port direction register are invalid.
Note 3: Valid only when counting an external signal.
Note 4: When an “L” signal is input to the TAi
OUT
pin, the downcount is activated. When “H”,
the upcount is activated. Set the corresponding port direction register to “0”.
Note 5: This value can be indeterminate when the count starts.
Timer Ai mode register
Symbol
TAiMR(i = 0, 1)
Address
0396
16
, 0397
16
When reset
00
16
W
R
R W
b7
b6
b5
0
b4
b3
b2
b1
0 1
b0
Operation mode select bit
0 1 : Event counter mode
(Note 1)
b1 b0
TMOD0
TMOD1
MR0
Pulse output function
select bit
0 : Pulse is not output
(TA
iOUT
pin is a normal port pin)
1 : Pulse is output (Note 2)
(TA
iOUT
pin is a pulse output pin)
Count polarity
select bit (Note 3)
MR2
MR1
MR3
0 (Must always be fixed to “0” in event counter mode)
TCK0
Count operation type
select bit
0 : Counts external signal's falling edge
1 : Counts external signal's rising edge
Up/down switching
cause select bit
0 : Up/down flag's content
1 : TA
iOUT
pin's input signal (Note 4)
0 : Reload type
1 : Free-run type (Note 5)
Bit symbol
Bit name
Function
TCK1
Invalid in event counter mode
Can be “0” or “1”
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