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參數(shù)資料
| 型號(hào)： | AM79C930VCW |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| 中文描述： | 2 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PQFP144 |
| 封裝： | TQFP-144 |
| 文件頁(yè)數(shù)： | 35/161頁(yè) |
| 文件大小： | 691K |
| 代理商： | AM79C930VCW |
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P R E L I M I N A R Y
AMD
35
Am79C930
Note that a read of the USERDT[0] bit (TIR29[0]) will al-
ways give the current USER0/RFRSH pin value, regard-
less of pin configuration setting.
Pin 91: USER1/IRQ12/EXTCTS/EXINT188
The USER1/IRQ12 pin may be configured for input
operation, output operation, or ISA IRQ12 operation ac-
cording to the following table:
USER1/
IRQ12
Pin Direction
O
OD
I
O
I
O
USER1/
IRQ12
Pin Data
IRQ12
IRQ12
NA
TIR29[1]
NA
TIR29[1]
PCMCIA
Pin
0
0
0
0
1
1
USER1EN
TCR14[1]
X
X
0
1
0
1
IRQ Select
PnPx70
Ch
Ch
≠
Ch
≠
Ch
X
X
IRQ Type
PnPx71
2h
1h
X
X
X
X
Note that a read of the USERDT[1] bit (TIR29[1]) will al-
ways give the current USER1/IRQ12 pin value, regard-
less of pin configuration setting.
In addition to the functionality listed above, the
USER1/IRQ12/EXTCTS/EXINT188 pin may be used to
enable the internal TX state machine. This capability is
controlled by the CTSEN bit of TCR7 and operates inde-
pendently of the table above and independently of the
U1INTCNT bits of TCR7. When the CTSEN bit of TCR7
is set to 1, then the value of the USER1/IRQ12/
EXTCTS/EXINT188 pin will be ANDed with the value of
the TXS bit of TIR8. The output of the AND gate will
then be used to determine the start of the TX state
machine. In this way, an external signal, through the
USER1/IRQ12/EXTCTS/EXINT188 input, can be used
to control the start of the TX state machine, provided that
Am79C930 device firmware has enabled the operation
by setting the TXS bit of TIR8.
In addition to the functionality listed above, the
USER1/IRQ12/EXTCTS/EXINT188 pin may be used to
produce interrupts to the 80188 embedded controller.
This capability is controlled by the U1INTCNT bits of
TCR7 and operates independently of the bits in the
table above and independently of the CTSEN bit of
TCR7.Interrupts
that
are
USER1/IRQ12/EXTCTS/EXINT188 pin are indicated in
the U1INT bit of TCR11. The following table lists the pro-
gramming options for using the USER1/IRQ12/
EXTCTS/EXINT188 pin as a source of external interrupt
to the 80188 controller.
routed
through
the
U1INTCNT
TCR7[4:3]
00
01
10
11
USER1 Pin
Event
X
rising edge
falling edge
rising or falling edge
U1INT Bit
Result (TCR11[3])
0 => interrupt disabled
1 => interrupt signalled
1 => interrupt signalled
1 => interrupt signalled
reset default condition
Pin 92: USER7/IRQ11
The USER7/IRQ11 pin may be configured for input op-
eration, output operation, or ISA IRQ11 operation ac-
cording to the following table:
Note that a read of the USER7DL bit (TIR29[7]) will al-
ways give the current USER7/IRQ11 pin value, regard-
less of pin configuration setting.
USER7DL (TIR29[7]) gives the current value of the
USER7/IRQ11 pin.
USER7/
IRQ Select
PnPx70
Bh
Bh
≠
Bh
X
X
X
X
USER7/
IRQ Type
PnPx71
2h
1h
X
X
X
X
X
PCMCIA
Pin
0
0
0
0
1
1
1
USER7FN
TC30[7]
0
0
0
1
0
0
1
USER7EN
TCR14[7]
X
X
X
X
0
1
X
IRQ11
IRQ11
Pin Data
IRQ11
IRQ11
NA
NA
NA
TIR29[7]
NA
Pin Direction
O
OD
I
I
I
O
I
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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) |
| AM79C960 | PCnetTM-ISA Single-Chip Ethernet Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C940 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Media Access Controller for Ethernet (MACE) |
| AM79C940_00 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Media Access Controller for Ethernet (MACE⑩) |
| AM79C940-16/25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| AM79C940-16JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Node Controller |
| AM79C940-25JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Node Controller |
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