Fujitsu FR81S User Manual
CHAPTER 30: POWER CONSUMPTION CONTROL
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : POWER CONSUMPTION CONTROL
FUJITSU SEMICONDUCTOR CONFIDENTIAL
35
Figure 5-1 Transition Sequence to Watch Mode with power-shutdown
マイコン動作
時計モード設定
レジスタ(ライト/リード)
時計モード
遷移待ち
時計(ShutDown)
TIMER = 1
TIMER = 0
レジスタ設定
SHDE有効
信号をラッチ
(必要な信号)
Flash OFF制御
リセット(5V)発行
マイコン OFF制御
Flash OFF制御
戻る
マイコン OFF制御
Isolation有効
(クロック、リセット)
PSW OFF
(Weak、Strong)
戻る
Return
Return
Flash OFF
control
Flash OFF
control
Microcontroller
OFF control
Watch
(ShutDown)
Isolation valid
(Clock, Reset)
PSW OFF
(Weak, Strong)
Reset (5V)
Issue
Register setting
SHDE valid
Latch of signal
(necessary signal)
Watch mode setting
register (Read/Write)
Watch mode
Transition wait
Watch mode
Transition wait
Microcontroller
OFF control
Microcontroller
operation
MB91520 Series
MN705-00010-1v0-E
1122