參數(shù)資料
型號: μPD789012
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 17/44頁
文件大?。?/td> 271K
代理商: ΜPD789012
μ
PD789011, 789012
17
7. STANDBY FUNCTIONS
There are the following two standby functions to reduce the system power consumption.
HALT mode: The CPU operation clock is stopped.
The average current consumption can be reduced by intermittent operation in combination with
the normal operation mode.
STOP mode: The main system clock oscillation is stopeed. All the operations performed on the main system
clock is stopped, and power consumption becomes extremely small.
Figure 7-1. Standby Function
8. RESET FUNCTIONS
There are the following two reset methods.
External reset input by RESET pin
Internal reset by watchdog timer runaway time detection
Main System Clock Operation
STOP Mode
Main system clock oscillatin
is stopped
HALT Mode
Clock supply to CPU is stopped,
oscillation maintained
(
(
(
(
STOP
Instruction
HALT Instruction
Interrupt
Request
Interrupt
Request
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