Ricoh R5C841 Manual Do Utilizador

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2004

 

R

EV

.1.10

 

4-18

 

 

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.   

 

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 

- 

- 

- 

- 

- 

- 

- 

-