HD6413002 Datasheet, PDF (515/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

15.1.2 Register Configuration
The on-chip RAM is controlled by SYSCR. Table 15-1 gives the address and initial value of
SYSCR.
Table 15-1 RAM Control Register
Address* Name
H'FFF2
System control register
Note: * Lower 16 bits of the address
Abbreviation
R/W
SYSCR
R/W
Initial Value
H'0B
15.2 System Control Register (SYSCR)
Bit
7
6
5
4
3
2
1
0
SSBY STS2 STS1 STS0 UE NMIEG — RAME
Initial value
0
0
0
0
1
0
1
1
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
—
R/W
RAM enable bit
Enables or
disables
on-chip RAM
Reserved bit
NMI edge select
User bit enable
Standby timer select 2 to 0
Software standby
502