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參數(shù)資料
| 型號： | M37735MHBXXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 9/93頁 |
| 文件大小： | 1802K |
| 代理商： | M37735MHBXXXFP |
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14
MITSUBISHI MICROCOMPUTERS
M37735MHBXXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
Interrupt priority detection time selection bits
Bit 5
Bit 4
0
7 cycles of
φ
0
1
4 cycles of
φ
1
0
2 cycles of
φ
Fig. 10 Processor mode register 0 configuration
Fig. 9 Interrupt priority detection time
As shown in Figure 9, there are three different interrupt priority
detection time from which one is selected by software. After the
selected time has elapsed, the interrupt which has the highest priority
is determined and is processed after the current instruction execution
has been completed.
The time is selected with bits 4 and 5 of the processor mode register
0 (address 5E16) shown in Figure 10. Table 4 shows the relationship
between these bits and the number of cycles. After a reset, the
processor mode register 0 is initialized to “0016”. Therefore, the longest
time is selected. However, the shortest time should be selected by
software.
Table 3. Value set in processor interrupt level (IPL) during an interrupt
Table 4. Relationship between interrupt priority detection time selec-
tion bits and number of cycles
φ : internal clock
Number of cycles
Interrupt types
Setting value
Reset
0
DBC
7
Watchdog timer
7
Zero divide
Not change value of IPL.
BRK instruction
Not change value of IPL.
7
Processor mode register 0 (5E16)
6
5
4
3
2
1
0
Address
Processor mode bits
0 0 : Single-chip mode
0 1 : Memory expansion mode
1 0 : Microprocessor mode
Wait bit
0 : Wait
1 : No wait
Software reset bit
The processor is reset when this bit is set to “1”.
Interrupt priority detection time selection bits
0 0 : Select 0 in Figure 9
0 1 : Select 1 in Figure 9
1 0 : Select 2 in Figure 9
Always “0”
Clock
1
output selection bit
0 : No
1
output
1 :
1
output
0
1
2
Internal clock
Operation code fetch cycle
Sampling pulse
Priority detection time
Select one from 0 to 2 with
bits 4 and 5 of the
processor mode register 0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37735MHL | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37735MHL-143HP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:PROM VERSION OF M37735MHLXXXHP |
| M37735MHLXXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37735S4BFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER |
| M37735S4LHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER |
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