參數(shù)資料
型號: MB86967
廠商: Fujitsu Limited
英文描述: LAN Controller with PC Card, ISA Bus, and General-purpose Bus Interfaces
中文描述: 局域網(wǎng)控制器與PC卡,ISA總線和通用總線接口
文件頁數(shù): 67/129頁
文件大?。?/td> 1499K
代理商: MB86967
67
MB86967
(2) CCR1: Card Configuration Status Register (00007F2
H
)
This register indicates the configuration status of the card.
Bit 7
Changed
0
Bit 6
0
0
Bit 5
Bit 4
0
0
Bit 3
0
0
Bit 2
Bit 1
0
0
Bit 0
0
0
Read
Write
IOis8
PwrDwn
Initial Value
0
0
Bit no.
7
Bit name
Changed
(State Change)
Operation
Read
Value
Function
This bit is 1, indicating that the bit value (bit 5) of the pin
replacement register is 1. The value of bit 5 of the pin
replacement register, indicating that this bit becomes 0.
This is a read-only bit and it is not affected by writing.
The read value of this bit is always 0 and this bit is not affected
by writing.
The MB86967 enters the word transfer mode (PD0 to PD15).
In this case, bit 5 (SB/SW) of the control register (DLCR6) in
the LAN controller is set to 0.
The MB86967 enters the byte transfer mode (PD0 to PD7). In
this case, SB/-SW (bit 5) of DLCR6 in the LAN controller is set
to 1.
The system must set CE2 Non-active.
The read value is always 0. These bits are not affected by
writing.
This bit clears the power-down mode.
When this bit is cleared, bit 5 (STBY) of DLCR7 in the LAN
controller is also cleared to 1.
The power-down mode is set.
When this bit is set, bit 5 (STBY) of DLCR7 is set to 0, making
it possible to place the LAN controller and 10BASE-T
transceiver in the standby state. Presetting bit 4 of BMPR14 in
the LAN controller causes the MB86967 to enter the
shutdown mode (oscillation stopped).
This bit should be set after initializing the LAN controller.
Return from the shutdown mode should be made by reset.
See 4. Operation Sequence in PC Card Mode.
The read values of these bits is always 0. These bits are not
affected by writing.
6
Not used
Read
5
IOIS8
(8-bit I/O)
Read/Write
0
1
4 and 3 Not used
Read
2
PwrDwn
Read/Write
0
1
1 and 0 Not used
Read
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