參數(shù)資料
型號: PCI1620PDV
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁數(shù): 56/164頁
文件大?。?/td> 720K
代理商: PCI1620PDV
3
14
Table 3
8. CardBus Socket Registers
REGISTER NAME
OFFSET
Socket event
00h
Socket mask
04h
Socket present state
08h
Socket force event
0Ch
Socket control
10h
Reserved
14h
1Ch
Socket power management
20h
3.5.10 PCI Firmware Loading Function Programming Model
Function 3 of UltraMedia is a firmware loader function. The purpose of this function is to provide an I/O window that
a software driver uses to load the PCI1620 firmware into the internal 192K words of RAM. A simplified method of
operation follows:
1.
GRST assertions reset the internal RAM and the function 3 firmware loader.
2.
While loading the firmware, controller holds the UltraMedia core in reset.
3.
The firmware loading software driver interfaces to function 3 and loads the firmware.
4.
The software driver indicates load completion to UltraMedia via the done bit (bit 2) of the firmware loader
control register (offset 04h, see Section 3.5.10.2) in the function 3 I/O window.
The software driver that interfaces with PCI function 3 of the PCI1620 loads the firmware into the program RAM via
the allocated I/O window for that function. Two I/O addresses are allocated, and these are used to load firmware to
the PCI1620 program RAM. The functionality of these I/O registers is listed in Table 3
9.
Table 3
9. Firmware Loader I/O Register Map
REGISTER NAME
OFFSET
Data/address
00h
Firmware loader control
04h
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