參數(shù)資料
型號: M30240M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP80
封裝: 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 44/125頁
文件大?。?/td> 753K
代理商: M30240M4-XXXFP
Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
27
CONFIDENTIAL
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
Stop Mode
2.9 Stop Mode
Writing “1” to the all-clock stop control bit (bit 0 at address 000716) stops all oscillation and the
microcomputer enters stop mode. In stop mode, the content of the internal RAM is retained provided
that VCC remains above 2V.
Because the oscillation of internal clock
φ, f1 to f32, and fAD stops in stop mode, peripheral functions
such as the A-D converter and watchdog timer do not function. However, timer A operates, provided that
the event counter mode is set to an external pulse, and UARTi(i = 0 to 2) functions provided an external
clock is selected. Table 4 shows the status of the ports in stop mode.
Stop mode is cancelled by a hardware reset or interrupt. If an interrupt is to be used to cancel stop mode,
that interrupt must first have been enabled.
When shifting to stop mode, the main clock division select bit 0 (bit 6 at 000616) is set to “1”.
Table 4:
Port status during stop mode
Pin
Single-chip mode
Port
Retains status before stop mode
CLKOUT
When f8, f32 selected
Retains status before stop mode
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