參數(shù)資料
型號: M37471M2-XXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP56
封裝: 10 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-56
文件頁數(shù): 30/49頁
文件大小: 601K
代理商: M37471M2-XXXFP
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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