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參數(shù)資料
| 型號(hào)： | M37540M4 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | CABLE ASSEMBLY; 7/16" MALE TO 7/16" MALE; 50 OHM, RG218/U COAX; 48" CABLE LENGTH |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 40/64頁 |
| 文件大小： | 668K |
| 代理商： | M37540M4 |
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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7540 Group
MITSUBISHI MICROCOMPUTERS
40
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 49 State transition
State 1
Operation clock source: X
IN
X
IN
oscillation enabled
Ring oscillator stop
CM3
←
0
2
CM7,6
←
10
2
CM4
←
1
2
CM4
←
0
2
CM7,6
←
NOT(10
2
)
CM3
←
1
2
CM4
←
1
2
CM4
←
1
2
CM3
←
1
2
CM3
←
1
2
CM7,6
←
NOT(10
2
)
CM4
←
0
2
CM7,6
←
NOT(10
2
)
CM4
←
0
2
CM3
←
1
2
CM7,6
←
10
2
CM3
←
0
2
CM7,6
←
10
2
CM4
←
1
2
CM3
←
0
2
CM7,6
←
10
2
CM4
←
1
2
CM7,6
←
NOT(10
2
)
CM3
←
1
2
State 2
Operation clock source: X
IN
X
IN
oscillation enabled
Ring oscillator enalbed
State 3 (initial state after reset)
Operation clock source: Ring oscillator
X
IN
oscillation enabled
Ring oscillator enalbed
State 4 (low power dissipation mode
by ring oscillator)
Operation clock source: Ring oscillator
X
IN
oscillation stop
Ring oscillator enalbed
Notes on switch of clock
(1) Execute the state transition from state 3 to state 2 after stabilizing X
IN
oscillation.
(2) Do not execute the state transition shown
(3) In operation clock source = X
IN
, the double-speed mode, high-speed mode, and
middle-speed mode can be selected for the CPU clock division ratio.
(4) In operation clock source = ring oscillator, the middle-speed mode is selected for
the CPU clock division ratio.
(5) Do not stop the clock selected as the operation clock because of setting of CM3, 4.
.
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|---|---|
| M37540M4T-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES |
| M37540M4T-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37540M4V-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES |
| M37540M4V-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES |
| M37540M4-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES |
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