SH7050 Datasheet, PDF (663/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Section 21 Power-Down State
21.1.2 Pin Configuration
Pins related to power-down modes are shown in table 21.2.
Table 21.2 Pin Configuration
Pin Name
Hardware standby input pin
Abbreviation
HSTBY
Power-on reset input pin
RES
I/O
Input
Input
Function
Input level determines transition to
hardware standby mode.
Power-on reset signal input pin
21.1.3 Related Register
Table 21.3 shows the register used for power-down state control.
Table 21.3 Related Register
Name
Abbreviation R/W Initial Value Address
Access Size
Standby control register SBYCR
R/W H'1F
H'FFFF8614 8
System control register SYSCR
R/W H'01
H'FFFF83C8 8
Note: SBYCR is accessed in three cycles , and SYSCR in two cycles.
Rev. 5.00 Jan 06, 2006 page 643 of 818
REJ09B0273-0500