參數(shù)資料
型號： M37641M8-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP80
封裝： 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù)： 54/136頁
文件大?。?/td> 1672K
代理商： M37641M8-XXXFP
24
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
TIMERS
The 7641 group has five timers: timer X, timer Y, timer 1, timer 2,
and timer 3. Timer X and timer Y are 16-bit timers, and timer 1,
timer 2, and timer 3 are 8-bit timers.
All timers are down count timers. When the timer reaches “0016”
or “000016”, an underflow occurs at the next count pulse and the
corresponding timer latch is reloaded into the timer and the count
is continued. When a timer underflows, the interrupt request bit
corresponding to that timer is set to “1”.
Read and write operation on 16-bit timer must be performed for
both high and low-order bytes. When reading a 16-bit timer, read
the high-order byte first. When writing to a 16-bit timer, write the
low-order byte first. The 16-bit timer cannot perform the correct
operation when reading during the write operation, or when writing
during the read operation.
Fig. 19 Timer block diagram
P44/CNTR1
P43/CNTR0
Q
T
SCSGCLK
Q
T
S
P51/TOUT/XCOUT
Timer X (low) (8)
Timer X (high) (8)
Timer X (low) latch (8)
Timer X (high) latch (8)
φ / 8
φ / 16
φ / 32
φ / 64
Timer X internal clock
select bit
Timer X count source
select bits
Timer X
operating
mode bits
“00”
“01”
Timer X count
stop bit
“11”
“10”
“0”
“1”
P54 direction register
CNTR0 active edge
switch bit
CNTR0 active edge
switch bit
P43 latch
Pulse output mode
Q
“0”
“1”
Falling edge detection
Rising edge detection
Pulse width HL continuously
measurement mode
Pulse width HL
continuously measurement,
Period measurement modes
Timer X interrupt
request
CNTR0 interrupt
request
Timer X write control bit
φ / 8
φ / 16
φ / 32
φ / 64
“00”
“01”
“11”
CNTR1 active
edge switch bit
“10”
“0”
“1”
Timer mode,
TYOUT output enabled
Timer Y
operating mode
bits
Timer Y count
stop bit
Timer Y (low) (8)
Timer Y (high) (8)
Timer Y (low) latch (8)
Timer Y (low) high (8)
Timer Y write
control bit
Q
Timer mode,
TYOUT output enabled
CNTR1 active
edge switch bit
“0”
“1”
Timer Y
operating mode
bits
“00”
“01”
“10”
“11”
Timer Y interrupt
request
CNTR1 interrupt
request
Timer 1 interrupt
request
Timer 2 interrupt
request
Timer 3 interrupt
request
Timer 1 count
source select bit
“0”
“1”
φ / 8
f(XCIN) / 2
Timer 1 count
stop bit
Timer 1 latch (8)
Timer 1 (8)
Timers 1, 2 write control
bit
Timers 1, 2 write control
bit
“0”
“1”
Timer 2 count
source select bit
Timer 2 latch (8)
Timer 2 (8)
φ
TOUT output control bit
“0”
“1”
TOUT output active
edge switch bit
TOUT output
control bit
TOUT source
select bit
Q
T
Q
T
Q
T
Q
T
Q
TOUT output control bit
“0”
“1”
TOUT output active
edge switch bit
φ / 8
Timer 3 count
source select bit
Timer 3 latch (8)
Timer 3 (8)
“0”
“1”
相關(guān)PDF資料
PDF描述
M37643M8-XXXFP 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80
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M37643M8-XXXHP 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80
M37700M2-XXXFP 16-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37641M8-XXXHP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M376420RS 制造商:OKI 功能描述:3764-20 NOTES
M3764-20RS 制造商:OKI 功能描述:3764-20 NOTES 制造商: 功能描述:Dynamic RAM, Page Mode, 64K x 1, 16 Pin, Plastic, DIP 制造商:OK International 功能描述:Dynamic RAM, Page Mode, 64K x 1, 16 Pin, Plastic, DIP
M3-7643A-S 制造商:Harris Corporation 功能描述:
M37643F8E8-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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