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參數(shù)資料
| 型號： | M37920F8CHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件頁數(shù)： | 9/155頁 |
| 文件大小： | 1274K |
| 代理商： | M37920F8CHP |
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M37920F8CGP, M37920F8CHP, M37920FCCGP
M37920FCCHP, M37920FGCGP, M37920FGCHP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
106
Fig. 103 Particular function select register 1’s bit configuration
7
6
543
2
1
0
Particular function select register 1
STP-instruction-execution status bit (Note 1)
0: Normal operation.
1: STP instruction has been executed.
WIT-instruction-execution status bit (Note 1)
0: Normal operation.
1: WIT instruction has been executed.
Standby state select bit
0: External bus
1: Programmable I/O port
Internal clock stop select bit at WIT (Note 2)
0: In wait mode, internal peripheral devices’ operation clock is active.
1: In wait mode, internal peripheral devices’ operation clock is stopped.
“0” at read.
Address
6316
Notes 1: At power-on reset, this bit becomes “0”. At hardware reset or software reset, this bit retains
the status just before reset. Even when “1” is written, the bit status will not change.
2: Setting this bit to “1” must be performed just before execution of the WIT instruction.
Also, after the WIT state is terminated, this bit must be cleared to “0” immediately.
Fig. 102 Particular function select register 0’s bit configuration
7
6
543
2
1
0
Particular function select register 0
External clock input select bit (Note)
0: Oscillation circuit is active. (Oscillator is connected.)
Watchdog timer is used at stop mode termination.
1: Oscillation circuit is inactive. (Clock which is generated in the external is input.)
Watchdog timer is not used at stop mode termination.
“0” at read.
STP instruction invalidity select bit
0: STP instruction is valid.
1: STP instruction is invalid.
Address
6216
Note: Writing to these bits requires the following procedure:
Write “5516” to this register. (The bit status does not change only by this writing.)
Succeedingly, write “0” or “1” to each bit.
troller is operating, DRAM reflesh is performed. Note that the watch-
dog timer is stopped.
On the other hand, when the WIT instruction is executed with the in-
ternal clock stop select bit at WIT = “1”, the oscillation circuit is oper-
ating, while
φBIU, φCPU, and divide clocks f1(φ) to f4096 stop operating.
As a result, the A-D converter, DMA controller, and watchdog timer,
which use divide clocks f1(
φ) to f4096, Wf32 and Wf512, are stopped.
Because the reflesh timer of the DRAM controller is operating,
DRAM reflesh is performed. At this time, timers A and B operate only
in the event counter mode, and serial I/O communication is active
only while an external clock is selected. If the internal peripheral de-
vices are not used in the WIT mode, the latter is better because the
current dissipation is more saved. Note that the internal clock stop
select bit at WIT is to be set to “1” immediately before execution of
the WIT instruction and cleared to “0” immediately after the WIT
mode is terminated.
The WIT state is terminated by acceptance of an interrupt request,
and then, supply of
φBIU and φCPU will restart. Since the oscillation
circuit is operating in the WIT mode, an interrupt processing can be
executed just after the WIT mode termination.
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| M37920F8CGP | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
| M38039MFL-XXXHP | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PQFP64 |
| M38039MFL-XXXSP | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PDIP64 |
| M38039MFL-XXXWG | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PBGA64 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37920FCCGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920FCCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920FGCGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920FGCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920S4CGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16 BIT CMOS MICROCOMPUTER |
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