HD6417705 Datasheet, PDF (341/739 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

11.2 Input/Output Pins
Table 11.2 lists the pins used for the power-down modes.
Table 11.2 Pin Configuration
Pin Name
Processing state
Symbol
I/O
STATUS1, O
STATUS0
Power-on reset
Manual reset
RESETP I
RESETM I
Hardware standby CA
I
Description
Operating state of the processor.
HH: Reset
HL: Sleep mode
LH: Standby mode
LL: Normal operation
Note: H means high level, and L means low level.
Reset input signal. Power-on reset occurs at low-level.
Reset input signal. Manual reset occurs at low-level.
Normal operation at high-level and hardware standby
mode is entered at low-level.
11.3 Register Descriptions
There are following five registers used for the power-down modes. Refer to section 24, List of
Registers, for the details of the addresses of these registers and the state of registers in each
operating mode.
• Standby control register (STBCR)
• Standby control register 2 (STBCR2)
• Standby control register 3 (STBCR3)
Rev. 2.00, 09/03, page 295 of 690