h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 944

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 21C ROM (H8S/2635 Group)
21C.7.6 Flash Memory Power Control Register (FLPWCR)
FLPWCR enables or disables a transition to the flash memory power-down mode when the LSI
switches to subactive mode.
Bit 7—Power-Down Disable (PDWND): The subactive mode is not available in versions other
than the U-mask and W-mask versions.
Only 0 should be written to this bit in the case of versions other than the U-mask and W-mask
versions.
See section 21.B.14, Flash Memory and Power-Down States, for more information.
Bits 6 to 0—Reserved: These bits always read 0.
Rev. 6.00 Feb 22, 2005 page 884 of 1484
REJ09B0103-0600
Bit 7
PDWND
0
1
Initial value:
R/W:
Bit:
Description
Transition to flash memory power-down mode enabled
Transition to flash memory power-down mode disabled
PDWND
R/W
7
0
—
R
6
0
—
R
5
0
—
R
4
0
—
R
3
0
—
R
2
0
—
R
1
0
(Initial value)
—
R
0
0