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参数资料
型号： M30102F3FP
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48
封装： 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数： 138/166页
文件大小： 2060K
代理商： M30102F3FP
Under
development
Tentative Specifications REV.E1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer X
70
Figure 1.14.12. Operation example in pulse period measurement mode
Timer X=0F16
fPX
0F16
0E16
0F16 0E16 0D16 0C16 0B16 0A16
0F16 0E16 0D16
0116 0016 0F16 0E16
0F16
0E16
0D16
0B16
0916
Timer X
reloads
0D16
0116
0F16 0E16
Read by software.
(Note 3)
Effectaul edge
reception flag
(Note 2)
Cleared to "0" by software.
Timer X
underflow flag
Note 1: If timer X is read out in pulse period measurement mode, the contents of the read purpose buffer can be read.
Note 2: After an active edge of measurement pulse is input, effectaul edge reception flag(TXEDG) is set to "1" when
the prescaler X underflows for the second time.
Note 3: The timer X should be read out before the next active edge is input after TXEDG is set to "1". If the timer X is
not read before the next active edge is input, the value in the read purpose buffer remains unchanged and
therefore is not updated on an active edge.
Note 4: When set to "0" by software, use a MOV instruction to write "0" to the bit 6 (TXEDG) in the timer X mode
register (008B16). At the same time, write "1" to the bit 7 (TXUND).
Note 5: When set to "0" by software, use a MOV instruction to write "0" to the bit 7 (TXUND) in the timer X more
register (008B16). At the same time, write "1" to the bit 6 (TXEDG).
Note 6: If the timer X underflow flag (TXUND) and TXEDG are both set to "1". In this case, the validity of TXUND
sholud be judged by the contents of the read purpose buffer.
Conditions: A period from one rising edge to the next rising edge of measurement pulse is measured. (R0EDG=0)
Set to "1" by software
Count start
Count start flag
“1”
“0”
“1”
“0”
Measurement pulse
(CNTR0 pin input)
Timer X
contents (hex)
Contents of read
purpose buffer(
Note 1)
Timer X
reloads
Timer X
reloads
Read by software.
(Note 3)
(Note 2)
(Note 4)
(Note 5)
(Note 6)
Cleared to "0" by software.
“1”
“0”
“1”
“0”
“1”
“0”
“1”
“0”
Cleared to “0” when interrupt request is accepted, or cleared by software
CNTR0 interrupt
request bit
Timer X interrupt
request bit
0A16
0016
Hold
0916
0D16
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