HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 164

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 7 Bus State Controller (BSC)
PCMCIA:
• CS5BWCR, CS6BWCR
Rev. 6.00 Jun. 12, 2007 Page 132 of 610
REJ09B0131-0600
Bit
2
1
0
Bit
31 to 22
21
20
Bit Name

WTRC1
WTRC0
Bit Name

SA1
SA0
Initial
Value
0
0
0
Initial
Value
All 0
0
0
R/W
R
R/W
R/W
R/W
R
R/W
R/W
Description
Reserved
This bit is always read as 0. The write value should
always be 0.
Idle Cycle Number from REF Command/Self-Refreshing
Release to ACTV/REF/MRS Command
Specify the number of minimum idle cycles in the
following cases.
•
•
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Space Attribute Specification
Specify memory card interface or I/O card interface when
the PCMCIA interface is selected.
•
•
From the issuing of the REF command to the issuing
of the ACTV/REF/MRS command.
From the self-refreshing release to the issuing of the
ACTV/REF/MRS command.
00: 2 cycles
01: 3 cycles
10: 5 cycles
11: 8 cycles
SA1
0: Specifies memory card interface when A25 = 1
1: Specifies I/O card interface when A25 = 1
SA0
0: Specifies memory card interface when A25 = 0
1: Specifies I/O card interface when A25 = 0