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R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet
12345 2004 REV.1.10 4-18
4.20.3 Format
The R5C841 starts accesses to the Serial ROM by detecting a pull-down of the SPKROUT when
the first PCI Reset is deasserted after deassertion of the GBRST#. The accessed data is stored
to each register as follows. The retry states don’t allow PCI’s slave access during accesses to the
Serial ROM. Each parts register of 1394 OHCI-LINK Configuration Space, 1394 OHCI Registers
Space, PCI-CardBus Bridge Configuration Space, SD Card Configuration Space, Memory Stick
Configuration Space and xD Picture Card Configuration Space.
4.20.3.1 1394OHCI-LINK Configuration Space
Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
00h Subsystem Vendor ID[7:0]
01h Subsystem Vendor ID[15:8]
02h Subsystem ID[7:0]
03h Subsystem ID[15:8]
04h LEDTX[1] LEDTX[0] LEDRX[1] LEDRX[0] - - - -
05h OHCI10 - - - - - - -
06h ―
07h ―
08h ―
09h ―
0Ah ―
0Bh ―
0Ch ―
0Dh ―
0Eh ―
0Fh ―
10h ―
11h ―
12h ―
13h ―
14h ―
15h ―
16h ―
17h ―
18h ―
19h ―
1Ah ―
1Bh ―
1Ch D2PhyPM[1:0] D2ForcePM D3PhyPM[1:0] D3ForcePM CPSDis CPSFixVal
1Dh
CMC
Shadow
PrwCShadow[2:0]
P0Dis
Shadow
P1Dis
Shadow
- -
1Eh ―
1Fh ―
20h
-
SIDWREN
PMbit15
WrEn
-
INTXSel[1:0]
21h ―
22h - 1394LED
toLED1#
1394LED
toLED0#
LEDDurationSel[1:0] -
23h ―
24h Max Latency[3:0] Min Grant[3:0]
25h - - - - - - - -