HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 762

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 18 RAM
18.1.2
The on-chip RAM is controlled by SYSCR. Table 18.1 shows the address and initial value of
SYSCR.
Table 18.1 RAM Register
Name
System control register
Note: * Lower 16 bits of the address.
18.2
18.2.1
The on-chip RAM is enabled or disabled by the RAME bit in SYSCR. For details of other bits in
SYSCR, see section 5.2.1, System Control Register (SYSCR).
Bit 0—RAM Enable (RAME): Enables or disables the on-chip RAM. The RAME bit is
initialized when the reset state is released. It is not initialized in software standby mode.
Bit 0
RAME
0
1
Rev.6.00 Sep. 27, 2007 Page 732 of 1268
REJ09B0220-0600
Bit
Initial value :
R/W
Register Configuration
Register Descriptions
System Control Register (SYSCR)
Description
On-chip RAM is disabled
On-chip RAM is enabled
:
:
R/W
—
7
0
—
—
6
0
Abbreviation
SYSCR
INTM1
R/W
5
0
INTM0
R/W
4
0
R/W
R/W
NMIEG
R/W
3
0
Initial Value
H'01
LWROD IRQPAS
R/W
2
0
R/W
1
0
Address *
H'FF39
(Initial value)
RAME
R/W
0
1