r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 555

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Bit
31 to 29 
28 to 20 LSR
19 to 1
0
Bit Name

MBARE
Initial
Value
All 0
0 0000
0000
All 0
0
R/W
SH: R
PCI: R
SH: R/W
PCI: R
SH: R
PCI: R
SH: R/W
PCI: R
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Size of Local Address Space 0 (9 bits)
Specify the size of local address space 0
(SuperHyway bus address space of this LSI) in units
of Mbyte. The value set in these bits must be the size
minus 1 Mbytes. Setting all the bits to 0 ensures 1-
Mbyte space.
0 0000 0000: 1 Mbyte
0 0000 0001: 2 Mbytes
0 0000 0011: 4 Mbytes
0 0000 0111: 8 Mbytes
0 0000 1111: 16 Mbytes
0 0001 1111: 32 Mbytes
0 0011 1111: 64 Mbytes
0 0111 1111: 128 Mbytes
0 1111 1111: 256 Mbytes
1 1111 1111: 512 Mbytes
Other than above: Setting prohibited
Reserved
These bits are always read as 0. The write value
should always be 0.
PCI Memory Base Address Register 0 Enable
The local address space 0 can be accessed by setting
this bit to 1.
0: PCIMBAR0 disabled
1: PCIMBAR0 enabled
Rev. 1.00 Oct. 01, 2007 Page 489 of 1956
Section 13 PCI Controller (PCIC)
REJ09B0256-0100