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Bits 31 to 29—Source Address Space Attribute Specification (SSA2–SSA0): These bits specify
the space attribute for PCMCIA access. These bits are only valid in the case of page mapping to
PCMCIA connected to areas 5 and 6.
Bit 31: SSA2
Bit 30: SSA1
0
0
1
1
0
1
Bit 28—Source Address Wait Control Select (STC): Specifies CS5 or CS6 space wait control
for PCMCIA access. This bit selects the wait control register in the BSC that performs area 5 and
6 wait cycle control.
Bit 28: STC
0
1
Note: For details, see section 13.3.7, PCMCIA Interface.
Bit 29: SSA0
0
1
0
1
0
1
0
1
Description
C5 space wait cycle selection
Settings of bits A5W2–A5W0 in wait control register 2 (WCR2), and bits
A5PCW1–A5PCW0, A5TED2–A5TED0, and A5TEH2–A5TEH0 in the
PCMCIA control register (PCR), are selected
C6 space wait cycle selection
Settings of bits A6W2–A6W0 in wait control register 2 (WCR2), and bits
A6PCW1–A6PCW0, A6TED2–A6TED0, and A6TEH2–A6TEH0 in the
PCMCIA control register (PCR), are selected
Description
Reserved in PCMCIA access
Dynamic bus sizing I/O space
8-bit I/O space
16-bit I/O space
8-bit common memory space
16-bit common memory space
8-bit attribute memory space
16-bit attribute memory space
Rev. 4.0, 04/00, page 429 of 850
(Initial value)
(Initial value)
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