參數(shù)資料
型號(hào): M30623M4T-245GP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機(jī)
文件頁(yè)數(shù): 90/184頁(yè)
文件大小: 1734K
代理商: M30623M4T-245GP
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90
Tentative Specifications REV.A
S
pecifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 62T Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
deveopmen
Timer A
Note 1: The settings of the corresponding port register and port direction register are invalid.
Note 2: This bit is valid when only counting an external signal.
Note 3: Set the corresponding port direction register to “0”.
Note 4: This bit is valid for the timer A3 mode register.
For timer A2 and A4 mode registers, this bit can be “0 ”or “1”.
Note 5: Set these bits to “0”, in timer A2 mode register of M30623(80-pin package).
Timer Ai mode register
(When not using two-phase pulse signal processing)
Symbol
TAiMR(i = 2 to 4) 0398
16
to 039A
16
Address
When reset
00
16
b7
b6
b5
0
b4
b3
b2
b1
0 1
b0
Operation mode select bit
0 1 : Event counter mode
b1 b0
TMOD1
TMOD0
MR0
Pulse output function
select bit (Note 5)
0 : Pulse is not output
(TAi
OUT
pin is a normal port pin)
1 : Pulse is output (Note 1)
(TAi
OUT
pin is a pulse output pin)
0 : Counts external signal's falling edges
1 : Counts external signal's rising edges
Count polarity select bit
(Note 2,Note 5)
MR2
MR1
MR3
0 : (Must always be “0” in event counter mode)
TCK1
TCK0
Up/down switching cause
select bit (Note 5)
0 : Up/down flag's content
1 : TA
iOUT
pin's input signal (Note 3)
Bit symbol
Bit name
Function
W
R
Count operation type
select bit
Two-phase pulse signal
processing operation
select bit (Note 4)
0 : Reload type
1 : Free-run type
0 : Normal processing operation
1 : Multiply-by-4 processing operation
Note 1: This bit is valid for timer A3 mode register.
For timer A2 and A4 mode registers, this bit can be “0” or “1”.
Note 2: When performing two-phase pulse signal processing, make sure the two-phase pulse
signal processing operation select bit (address 0384
16
) is set to “1”. Also, always be
sure to set the event/trigger select bit (addresses 0382
16
and 0383
16
) to “00”.
Note 3: In M30623(80-pin package), do not use timer A2 for the two-phase pulse signal processing.
Timer Ai mode register
(When using two-phase pulse signal processing)
Symbol
TAiMR(i = 2 to 4) 0398
16
to 039A
16
Address
When reset
00
16
b7
b6
b5
0
b4
1
b3
0
b2
0
b1
0 1
b0
Operation mode select bit
0 1 : Event counter mode
b1 b0
TMOD1
TMOD0
MR0
0 (Must always be “0” when using two-phase pulse signal
processing)
0 (Must always be “0” when using two-phase pulse signal
processing)
1 (Must always be “1” when using two-phase pulse signal
processing)
MR2
MR1
MR3
0 (Must always be “0” when using two-phase pulse signal
processing)
Count operation type
select bit
1 : Free-run type
TCK1
TCK0
Bit symbol
Bit name
Function
W
R
Two-phase pulse
processing operation
select bit (Note 1)(Note 2)
0 : Reload type
0 : Normal processing operation
1 : Multiply-by-4 processing operation
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
Figure 1.17.9. Timer Ai mode register in event counter mode
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