參數(shù)資料
型號(hào)： UPD178002
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 8位單晶片微控制器
文件頁(yè)數(shù)： 26/48頁(yè)
文件大小： 334K
代理商： UPD178002
26
μ
PD178002, 178003
Data Sheet U12628EJ3V0DS00
7. STANDBY FUNCTION
The following two standby functions are available for further reduction of system current consumption.
HALT mode: In this mode, the CPU operation clock is stopped. The average current consumption can be
reduced by intermittent operation by combining this mode with the normal operation mode.
STOP mode: In this mode, oscillation of the system clock is stopped. All the operations performed on the
system clock are suspended, resulting in extremely small power consumption.
Figure 7-1. Standby Function
8. RESET FUNCTION
The following two reset methods are available.
External reset by RESET signal input
Internal reset by Power On Clear (POC).
System clock operation
STOP mode
(System clock
oscillation stopped)
HALT mode
(Clock supply to CPU
halted, oscillation
maintained)
Interrupt
request
Interrupt
request
HALT
instruction
STOP
instruction
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