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參數(shù)資料
| 型號(hào)： | AM79C930 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| 中文描述： | PCnet -移動(dòng)單芯片無(wú)線局域網(wǎng)媒體接入控制器 |
| 文件頁(yè)數(shù)： | 36/161頁(yè) |
| 文件大?。?/td> | 691K |
| 代理商： | AM79C930 |
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AMD
P R E L I M I N A R Y
36
Am79C930
Pin 94: RXC/IRQ10/EXTA2DST
The RXC/IRQ10 pin may be configured for input opera-
tion, output operation, ISA IRQ10 operation, and as an
output providing the RX clock information (whether de-
rived from the RXDATA stream through Am79C930
device DPLL operation or simply rerouted from the
RXCIN input) according to the following table:
Note that a read of the RXCD bit (TIR11[7]) will always
give the current RXC/IRQ10 pin value, regardless of pin
configuration setting.
In addition to the functionality listed above, the RXC/
IRQ10/EXTA2DST pin may be used to control the start
of the A/D conversion process. When the UXA2DST
bit of TCR25 has been set to a 1, then the normal
internal state machine control of the A/D sample and
conversion procedure or a rising edge on the RXC/
IRQ10/EXTA2DST pin will trigger an A/D conversion
procedure. By allowing external control of the start of the
A/D conversion process, the EXTADTST input allows
synchronization of the internal A/D function to an exter-
nal circuit that desires to use the A/D converter.
RXC/
IRQ10
RXC/
IRQ10
Pin Data
IRQ10
IRQ10
TIR11[7]
TIR11[7]
RXC
TIR11[7]
TIR11[7]
RXC
PCMCIA
Pin
0
0
0
0
0
1
1
1
RXCFN
TCR28[7]
0
0
0
0
1
0
0
1
RXCEN
TCR15[4]
X
X
0
1
X
0
1
X
IRQ Select
PnPx70
Ah
Ah
≠
Ah
≠
Ah
X
X
X
X
IRQ Type
PnPx71
2h
1h
X
X
X
X
X
X
Pin Direction
O
OD
I
O
O
I
O
O
Pin 95: USER6/IRQ5/EXTSDF
The USER6/IRQ5/EXTSDF pin may be configured for
input operation, output operation, or ISA IRQ5 operation
according to the following table:
Note that a read of the USER6D bit (TIR11[6]) will al-
ways give the current USER6/IRQ5 pin value, regard-
less of pin configuration setting.
USER6/
IRQ5
Pin Direction
I
O
OD
I
O
I
O
I
I
O
USER6/
IRQ5
Pin Data
TIR11[6]
IRQ5
IRQ5
TIR11[6]
TIR11[6]
TIR11[6]
TIR11[6]
TIR11[6]
TIR11[6]
TIR11[6]
PCMCIA
Pin
0
0
0
0
0
0
0
1
1
1
ENXSDF
TCR28[6]
1
X
X
0
0
0
0
1
0
0
USER6FN
TCR7[6]
X
0
0
0
0
1
1
X
X
X
USER6EN
TCR15[3]
X
X
X
0
1
0
1
X
0
1
IRQ Select
PnPx70
X
5h
5h
≠
5h
≠
5h
X
X
X
X
X
IRQ Type
PnPx71
X
2h
1h
X
X
X
X
X
X
X
In addition to the functionality listed above, the
USER6/IRQ5/EXTSDF pin may be used to enable the
function of the RX state machine within the Am79C930
device. This capability is controlled by the ENXSDF bit
and the ENXCHBSY bit, both of TCR28. When the
ENXSDF bit and the ENXCHBSY bit of TCR28 are both
set to a 1 and either TCR28 bit 4 is set to 0 or an antenna
selection has been made, then the value of the
USER6/IRQ5/EXTSDF pin will be used to enable trans-
fers of RXD data into the RX FIFO, provided the
Am79C930 device firmware has previously enabled the
RX state machine by setting the RXS bit of TIR16. In
addition, the EXTSDF value will be sent to the SDF inter-
rupt bit of TIR5[2]. TIR5[2] will, if unmasked, produce an
interrupt to the 80188 embedded controller.
Note that setting the ENXSDF bit of TCR28 to a 1
will cause the USER6/IRQ5/EXTSDF pin to function as
an input, regardless of other control bit settings.
Pin 96: USER5/IRQ4/EXTCHBSY
The USER5/IRQ4 pin may be configured for input op-
eration, output operation, or ISA IRQ4 operation accord-
ing to the table below.
Note that a read of the USER5D bit (TIR11[5]) will al-
ways give the current USER5/IRQ4/EXTCHBSY pin
value, regardless of pin configuration setting. In addition
to these bits, the USER5/IRQ4/EXTCHBSY pin may
be used to produce interrupts to the 80188 embedded
controller. This capability is controlled by the
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C930VCW | PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| AM79C940VCW | Media Access Controller for Ethernet (MACE) |
| AM79C940 | Media Access Controller for Ethernet (MACE) |
| AM79C940JCW | Media Access Controller for Ethernet (MACE) |
| AM79C940KCW | Media Access Controller for Ethernet (MACE) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C930EVAL-HW | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Am79C930EVAL-HW - PCnet-Mobile Evaluation Kit |
| AM79C930VC/W | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| AM79C930VCW | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| AM79C940 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Media Access Controller for Ethernet (MACE) |
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