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參數(shù)資料
| 型號： | GT- 32090 |
| 廠商： | Galileo Technology Services, LLC |
| 英文描述： | Highly Integrated Single-Chip System Controller(高集成單片系統(tǒng)控制器) |
| 中文描述： | 高度集成的單芯片系統(tǒng)控制器（高集成單片系統(tǒng)控制器） |
| 文件頁數(shù)： | 22/67頁 |
| 文件大?。?/td> | 524K |
| 代理商： | GT- 32090 |
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GT-32090 System Controller For i960JX Processors
29
Galileo
Technology, Inc.
Channel 1 Mode, Offset: 0xc0c
Channel 2 Mode, Offset: 0xc10
Channel 3 Mode, Offset: 0xc20
3.12
PCMCIA Configuration
The PCMCIA mode registers set the timing and device parameters for each PCMCIA card. The parameters are the
device bus width, the endianess of the device, and the timing of the control signals to the cards.
PCMCIA A Mode, Offset: 0xc18
Bits
Field name
Function
Initial Value
17:0
Various
Fields function as in Channel 0.
0x3efe0
Bits
Field name
Function
Initial Value
17:0
Various
Fields function as in Channel 0.
0x3efe0
Bits
Field name
Function
Initial Value
0
Reserved
Must be ‘0’
0x0
1
BusWid
The data path width of the device on the SIO.
0 - 8-bit
1 - 16-bit
0x0
2
Endian
Defines the device byte ordering.
0 - Little endian
1 - Big endian
0x0
5:3
Reserved
0x0
9:6
PulsWid
Pulse width, the number of cycles the SRd* or SWr*
signals will be asserted. The actual number will be
n+1.
0xf
11:10
TOWid
Turn-off width, the number of cycles between the
deassertion of SCS* in a read access and
a) the start of a read cycle to a PCMCIA card or to an
SIO device, or
b) a write access to a PCMCIA card or an SIO device.
0x3
Bits
Field name
Function
Initial Value
0
MemBusWid
Selects 8- or 16-bit memory device data width.
0 - 8-bit
1 - 16-bit
0x0
1
I/OBusWid
Selects 8- or 16-bit I/O device data width.
0 - 8-bit
1 - 16-bit
0x0
2
Endian
Defines the PCMCIA card byte ordering.
0 - Little endian
1 - Big endian
0x0
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