参数资料
型号: MB89T635P-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, PDIP64
封装: SHRINK, DIP-64
文件页数: 37/153页
文件大小: 7326K
代理商: MB89T635P-SH
MB89630 SERIES HARDWARE MANUAL
3-12
3.6 LOW-POWER CONSUMPTION MODES
The MB89630 series of microcontrollers have three standby modes: sleep, stop, and watch to reduce the
power consumption. Writing to the standby-control register (STBC) gives these three standby modes.
Clear ing is performed by an interrupt or at reset. See 2.1.5 for setting and releasing each mode.
The MB89630 series of microcontrollers have a dual-clock module, and the low-power consumption modes
vary with the main clock and subclock modes. In addition, whether or not an oscillation stabilization period
is required at release from the low-power consumption mode depends on the mask option of the power-on
reset. (See the state transition diagram in 2.1.5.)
If the single-clock module is specified with the mask option, the MB89630 series of microcontrollers can be
used as single clocks. If the microcontrollers are used as single clocks without specifying the single-clock
module with the mask option, once the subclock mode is entered, it cannot be released. Therefore, when
using these controllers as a single clock, specify the single-clock module with the mask option.
Table 3.14 Low-power Consumption Mode at Each Clock Mode
Notes:
: Clock mode (for main mode or submode) where operation speed affected by gear function.
X : Clock mode (for main mode or submode) where operation speed not affected by gear function.
*
: The watch prescaler can operate counting but the watch interrupt cannot be operated.
** : These functions can be operated but do not use them.
** : When clock source used as watch prescaler.
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