參數(shù)資料
型號： M37207MF-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64
封裝： 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件頁數(shù)： 105/124頁
文件大?。?/td> 1993K
代理商： M37207MF-XXXSP
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
78
Fig. 79. State Transitions of System Clock
Reset
The example assumes that 8 MHz is being applied to the X IN pin and 32 kHz to the X CIN pin. The
φ indicates the internal clock.
WIT instruction
CM7 : Internal system clock selection bit
0 : X IN–XOUT selected (high-speed mode)
1 : X CIN–XCOUT selected (low-speed mode)
CPU mode register
(Address : 00FB 16)
CM6 : Main clock (X IN–XOUT) stop bit
0 : Oscillating
1 : Stopped
8MHz oscillating
32kHz oscillating
φ is stopped (HIGH)
Timer operating
8MHz oscillating
32kHz oscillating
f(
φ) = 4MHz
8MHz stopped
32kHz stopped
φ is stopped (HIGH)
8MHz oscillating
32kHz oscillating
φ is stopped (HIGH)
Timer operating
(Note 3)
8MHz oscillating
32kHz oscillating
f(
φ) = 16kHz
8MHz stopped
32kHz stopped
φ is stopped (HIGH)
8MHz stopped
32kHz stopped
φ = stopped (HIGH)
8MHz stopped
32kHz oscillating
f(
φ) = 16kHz
8MHz stopped
32kHz oscillating
φ is stopped (HIGH)
Timer operating
(Note 3)
Interrupt
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
WIT instruction
Interrupt
STP instruction
Interrupt (Note 2)
STP instruction
Interrupt (Note 2)
XC = 1
XC = 0
CM6 = 1
CM6 = 0
External INT,
timer interrupt,
or SI/O interrupt
External INT,
or SI/O interrupt
Notes 1: When the STP state is ended, a delay of approximately 8ms is automatically generated by timer 3 and timer 4.
2: The delay after the STP state ends is approximately 2s.
3: When the internal clock
φ divided by 8 is used as the timer count source, the frequency of the count source is 2kHz.
The program must
allow time for 8MHz
oscillation to stabilize
High-speed operation
start mode
WIT instruction
8MHz oscillating
32kHz oscillating
φ is stopped (HIGH)
Timer operating
8MHz oscillating
32kHz oscillating
f(
φ) = 4MHz
8MHz stopped
32kHz stopped
φ is stopped (HIGH)
Interrupt
STP instruction
Interrupt (Note 1)
CM7 = 1
CM7 = 0
External INT,
timer interrupt,
or SI/O interrupt
External INT
Port control register
(Address : 0206 16)
XC: P40/XCIN, P41/XCOUT function
selection bit
0 : P40, P41
1 : XCIN, XCOUT
相關PDF資料
PDF描述
M37207M8-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64
M37207MF-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64
M37210M3-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PQFP64
M37210E4-XXXSP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52
M37210E4FP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PQFP64
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