HD6417706 RENESAS [Renesas Technology Corp], HD6417706 Datasheet - Page 578

• Manufacturer Part Number: HD6417706
• Description: Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

22.1
Table 22.2 lists the pins used for the power-down modes.
Table 22.2 Pin Configuration
22.2
These are two control registers for the power-down modes. Refer to section 23, List of Registers,
for more details of the addresses and access sizes.
22.2.1
The standby control register (STBCR) is an 8-bit read/write register that sets the power-down
mode.
Rev. 4.00, 03/04, page 532 of 660
Pin Name
Processing state 1 STATUS1
Processing state 0 STATUS0
Bit
7
6, 5
Standby control register (STBCR)
Standby control register 2 (STBCR2)
Register Description
Input/Output Pin
Standby Control Register (STBCR)
Bit Name
STBY
—
Symbol
Initial Value
0
All 0
I/O
O
R/W
R/W
R
Description
Operating state of the processor.
STATUS1
High-level
High-level
Low-level
Low-level
Description
Software Standby
Specifies transition to software standby mode.
0: Executing SLEEP instruction puts the chip into
1: Executing SLEEP instruction puts the chip into
Reserved
These bits are always read as 0. The write value
should always be 0.
sleep mode.
software standby mode.
STATUS0
Low-level
High-level
Low-level
High-level
state
Reset
Sleep mode
Standby mode
Normal operation