h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 712

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 21 RAM
21.1.2
The on-chip RAM is controlled by SYSCR. Table 21.1 shows the register configuration.
Table 21.1 Register Configuration
Name
System control register
Note:
21.2
The on-chip RAM is enabled or disabled by the RAME bit in SYSCR. For details of other bits in
SYSCR, see section 3.2.2, 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. 3.00 Jan 18, 2006 page 684 of 1044
REJ09B0280-0300
Bit
Initial value
Read/Write
* Lower 16 bits of the address.
Register Configuration
System Control Register (SYSCR)
Description
On-chip RAM is disabled
On-chip RAM is enabled
CS2E
R/W
7
0
IOSE
R/W
6
0
Abbreviation
SYSCR
INTM1
R
5
0
INTM0
R/W
4
0
R/W
R/W
XRST
R
3
1
H'09
Initial Value
NMIEG
R/W
2
0
R/W
HIE
1
0
Address *
H'FFC4
(Initial value)
RAME
R/W
0
1