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
文件頁數(shù)： 122/161頁
文件大?。?/td> 691K
代理商： AM79C930VCW
AMD
P R E L I M I N A R Y
122
Am79C930
is set to a 0, the Baud Detect Count for Stop Diversity is not used in
the stop diversity decision logic.
Use Baud Detect of Carrier Sense in CCA decision. When this bit is
set to a 1, the Baud Detect Count for Carrier Sense becomes one
input to the clear channel assessment logic. When this bit is set to a
0, the Baud Detect Count for Carrier Sense is not used in the clear
channel assessment decision.
Use RSSI in CCA and Stop Diversity decisions. When this bit is set
to a 1, the RSSI converted value comparison to the RSSI lower limit
becomes one input to the clear channel assessment logic and also
becomes one input to the Stop Diversity decision logic. When this
bit is set to a 0, the RSSI converted value comparison to the RSSI
lower limit is not used in the clear channel assessment logic and is
also not used in the Stop Diversity decision logic.
1
UBDCS
0
0
URSSI
0
TCR29: Reserved
This register is a TAI reserved location.
CONFIGURATION REGISTER INDEX:
1Dh
Bit
Name
Reset Value
Description
7–0
Reserved
–
Reserved. Must be written as a 0. Reads of this bit produce
undefined data.
TCR30: Pin Function and Data Rate
This register is the Pin Function and Data Rate control
register. This register contains bits that control the
function of the
ANTSLT
,
TXDATA
, TXCMD, and TXC
pins as well as control bits to set the network data rate.
CONFIGURATION REGISTER INDEX:
1Eh
Bit
Name
Reset Value
Description
7
ANTSLTLFN
0
ANTSLT
Function. ANTSLTLFN, ANTSLTLEN (TCR15[7]),
ANTSEN (TIR26[3]), and the PCMCIA pin are used to determine
the direction and data of the
ANTSLT
pin.
The control of the function of the
ANTSLT
/LA23 pin is described in
the Multi-Function Pinsection.
TXDATA
Function. TXDLFN, TXDLEN (TCR15[6]), and the
PCMCIA pin are used to determine the direction and data of the
TXDATA
pin.
The control of the function of the
TXDATA
/LA23 pin is described in
the Multi-Function Pinsection.
TXCMD Function. TXCMFN, TXCMEN (TCR15[5]), RCEN
(TIR11[3]), and the PCMCIA pin are used to determine the function
of the TXCMD pin.
Reserved. Must be written as 0. Reads of this produce
undefined data.
The control of the function of the TXCMD/LA21 pin is described in
the Multi-Function Pinsection.
TXC Input. When set to a 0, the TXC pin functions as an output, pro-
viding a divide by X version of the CLKIN input, where X is deter-
mined by the setting of the DR bits of TCR30. When set to a 1, the
TXC pin functions as an input, allowing the data rate of the transmit
operations to be set by an external source. When TXCIN is set to 1,
6
TXDLFN
0
5
TXCMFN
0
4
USER7FN
–
3
TXCIN
1
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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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