HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 489

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

16.2
One function of SYSCR is to enable or disable access to the on-chip RAM. The on-chip RAM is
enabled or disabled by the RAME bit in SYSCR. For details about the other bits, see section 3.3,
System Control Register (SYSCR).
Bit 0—RAM Enable (RAME): Enables or disables the on-chip RAM. The RAME bit is
initialized at the rising edge of the input at the RES pin. It is not initialized in software standby
mode.
1
Bit 0
RAME
0
Bit
Initial value
Read/Write
System Control Register (SYSCR)
On-chip RAM is disabled
On-chip RAM is enabled
Description
Software standby
SSBY
R/W
7
0
STS2
R/W
6
0
Standby timer select 2 to 0
STS1
R/W
5
0
STS0
R/W
4
0
User bit enable
Rev.4.00 Aug. 20, 2007 Page 445 of 638
R/W
UE
3
1
NMI edge select
NMIEG
R/W
2
0
Software standby
output port enable
SSOE
R/W
REJ09B0395-0400
1
0
RAM enable bit
Enables or
disables
on-chip RAM
(Initial value)
RAME
R/W
16. RAM
0
1