SH7763 Datasheet, PDF (545/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 13 PCI Controller (PCIC)
(22) PCI Maximum Latency Register (PCIMAXLAT)
This register is not programmable.
Bit: 7
6
5
4
3
2
1
0
MAXLAT
Initial value: 0
0
0
0
0
0
0
0
SH R/W: R R R R R R R R
PCI R/W: R R R R R R R R
Bit
7 to 0
Bit Name
MAXLAT
Initial
Value
H'00
R/W
SH: R
PCI: R
Description
Maximum Latency
Specify the worst time from the bus request by the
PCI master device to the bus acquisition (not
supported).
(23) PCI Capability Identifier Register (PCICID)
When H'01 is read by system software, it indicates that the data structure currently being pointed
to is the PCI power management data structure. Each function of a PCI device may have only one
item in its capability list with PCICID set to H'01.
Bit: 7
6
5
4
3
2
1
0
CID
Initial value: 0
0
0
0
0
0
0
1
SH R/W: R R R R R R R R
PCI R/W: R R R R R R R R
Bit
7 to 0
Bit Name
CID
Initial
Value
H'01
R/W
SH: R
PCI: R
Description
Expansion Function ID
Specifies the expansion function ID.
H'01: The expansion function is power management.
Rev. 1.00 Oct. 01, 2007 Page 479 of 1956
REJ09B0256-0100