參數(shù)資料
型號(hào)： M37471M2-XXXSP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封裝： 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁(yè)數(shù)： 30/49頁(yè)
文件大?。?/td> 601K
代理商： M37471M2-XXXSP
33
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
STP instruction preparation (pushing registers)
↓
Timer 3, timer 4 interrupt disable
↓
X/16 or XC/16 selected for timer 3 count source; timer 3 overflow selected for timer 4 count source
↓
Timer 3, timer 4 start counting
↓
Values set to timer 3, timer 4 that do not cause timer 4 to overflow until STP instruction is executed
↓
Interrupt for return from STP enabled
↓
Timer 4 interrupt request bit cleared
↓
Clock X and clock for clock function XC halt (STP instruction)
RAM backup status
Interrupts from INT0, INT1, CNTR0/CNTR1, timer 1, timer 2, serial I/O, key on wake up
↓
Clock X and clock for clock function XC oscillation start
↓
Timer 4 overflow (X/16 or XC/16
→timer 3→timer 4)
↓
Internal system clock start
↓
Program start from interrupt vector
Normal program
RAM
backup
function
Return
from
RAM
backup
function
…
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