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参数资料
| 型号： | M37478E8SS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, CDIP42 |
| 封装： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42 |
| 文件页数： | 31/50页 |
| 文件大小： | 693K |
| 代理商： | M37478E8SS |
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34
MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
<An example of flow for system>
Nor
mal
oper
ation
Oper
ation
on
the
cloc
k
function
only
Return
from
clock
function
…
Power on reset
↓
Clock X oscillation
↓
Internal system clock start (X
→1/2→ φ)
↓
Program star t from RESET vector
Normal program
Operating at f(XIN)
Clock for clock function XC oscillation start (CM4 = 1, CM5 = 1)
↓
Latency time for oscillation to stabilize (by program)
← Operating at f(XIN)
↓
XC clock power down (CM5 : 1→0)
↓
Internal clock
φ source switching X→XC (CM7 : 0→1)
↓
Clock X halt (XC in operation) (CM6 = 1)
↓
Internal clock halt (WIT instruction)
↓
Timer 4 (clock count) overflow
↓
Internal clock operation star t (WIT instruction released)
Clock processing routine
← Operating at f(XCIN)
Internal clock halt (WIT instruction)
Interrupts from INT0, INT1, CNTR0/CNTR1, timer 1, timer 2, timer 3, timer 4, serial I/O, key on wake up
↓
Internal clock operation star t (WIT instruction released)
↓
Program star t from interrupt vector
↓
Clock X oscillation start (CM6 = 0)
↓
Latency time for oscillation to stabilize (by program)
← Operating at f(XCIN)
↓
Internal clock
φ source switching (XC→X) (CM7 : 1→0)
Normal program
→ Operating at f(XIN)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37478E8TXXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37478E8TXXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37478E8TXXXSP/FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37478E8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37478E8-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
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