HD6413003RVF RENESAS [Renesas Technology Corp], HD6413003RVF Datasheet - Page 530

• Manufacturer Part Number: HD6413003RVF
• Description: microcontroller (MCU)
• Manufacturer: RENESAS [Renesas Technology Corp]

17.2 Register Configuration
The H8/3003’s system control register (SYSCR) controls the power-down state. Table 17-2
summarizes this register.
Table 17-2 Control Register
Address*
H'FFF2
Note: * Lower 16 bits of the address.
17.2.1 System Control Register (SYSCR)
SYSCR is an 8-bit readable/writable register. Bit 7 (SSBY) and bits 6 to 4 (STS2 to STS0) control
the power-down state. For information on the other SYSCR bits, see section 3.3, System Control
Register.
Bit
Initial value
Read/Write
Name
System control register
SSBY
Software standby
Enables transition to
software standby mode
R/W
7
0
STS2
R/W
6
0
STS1
Standby timer select 2 to 0
These bits select the
waiting time at exit from
software standby mode
R/W
5
0
Abbreviation
SYSCR
512
STS0
R/W
4
0
User bit enable
R/W
UE
3
1
R/W
R/W
NMIEG
NMI edge select
R/W
2
0
Initial Value
H'0B
Reserved bit
—
—
1
1
RAM enable
RAME
R/W
0
1