SH7280 Datasheet, PDF (1538/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 28 Power-Down Modes
Initial
Bit
Bit Name Value R/W Description
2
RAMWE2 1
R/W RAM Write Enable 2 (corresponding RAM addresses:
H'FFF84000 to H'FFF85FFF)
0: On-chip RAM write disabled
1: On-chip RAM write enabled
Note: Write 1 to this bit in the SH7243.
1
RAMWE1 1
R/W RAM Write Enable 1 (SH7286/SH7285: H'FFF82000
to H'FFF83FFF, SH7243: H’FFF82000 to
H’FFF82FFF)
0: On-chip RAM write disabled
1: On-chip RAM write enabled
0
RAMWE0 1
R/W RAM Write Enable 0 (corresponding RAM addresses:
H'FFF80000 to H'FFF81FFF)
0: On-chip RAM write disabled
1: On-chip RAM write enabled
Rev. 1.00 Jun. 26, 2008 Page 1508 of 1692
REJ09B0393-0100