Fujitsu FR81S User Manual
CHAPTER 30: POWER CONSUMPTION CONTROL
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : POWER CONSUMPTION CONTROL
FUJITSU SEMICONDUCTOR CONFIDENTIAL
28
5.4.1. Configuration of Watch Mode
The configuration of watch mode is described below.
Before activating watch mode, set the state of external pins in watch mode with the bit1:SLVL1 in the
STBCR register.
⋅
When setting bit1:SLVL1="0" in the STBCR register, the external pins hold previous state.
⋅
When setting bit1:SLVL1="1" in the STBCR register, the external pins become high impedance.
Pins whose state is controlled differ according to product types. See "APPENDIX".
MB91520 Series
MN705-00010-1v0-E
1115