參數(shù)資料
型號： AM79C940
廠商： Advanced Micro Devices, Inc.
英文描述： Media Access Controller for Ethernet (MACE)
中文描述： 媒體訪問控制器（MACE發(fā)生以太網(wǎng)）
文件頁數(shù)： 17/122頁
文件大?。?/td> 914K
代理商： AM79C940
AMD
17
Am79C940
PIN SUMMARY
Pin Name
Pin Function
Type
Active
Comment
Attachment Unit Interface (AUI)
DO+/DO–
DI+/DI–
CI+/CI–
RXCRS
TXEN
CLSN
DXCVR
STDCLK
SRDCLK
Digital Attachment Interface (DAI)
TXDAT+
TXDAT–
TXEN
RXDAT
RXCRS
CLSN
DXCVR
STDCLK
SRDCLK
10BASE–T Interface
TXD+/TXD–
TXP+/TXP–
RXD+/RXD–
LNKST
RXPOL
TXEN
RXCRS
CLSN
DXCVR
STDCLK
SRDCLK
General Purpose Serial Interface (GPSI)
STDCLK
Serial Transmit Data Clock
TXDAT+
Transmit Data +
TXEN
Transmit Enable
SRDCLK
Serial Receive Data Clock
RXDAT
Receive Data
RXCRS
Receive Carrier Sense
CLSN
Collision
DXCVR
Disable Transceiver
Data Out
Data In
Control In
Receive Carrier Sense
Transmit Enable
Collision
Disable Transceiver
Serial Transmit Data Clock
Serial Receive Data Clock
O
I
I
I/O
O
I/O
O
I/O
I/O
Pseudo-ECL
Pseudo-ECL
Pseudo-ECL
TTL output. Input in DAI, GPSI port
TTL.
TXEN
in DAI port
TTL output. Input in GPSI
TTL low
Output. Input in GPSI
Output. Input in GPSI
High
High
High
Low
Transmit Data +
Transmit Data –
Transmit Enable
Receive Data
Receive Carrier Sense
Collision
Disable Transceiver
Serial Transmit Data Clock
Serial Receive Data Clock
O
O
O
I
I/O
I/O
O
I/O
I/O
High
Low
Low
TTL. See also GPSI
TTL
TTL. See TXEN in GPSI
TTL. See also GPSI
TTL input. Output in AUI
TTL output. Input in GPSI
TTL high
Output. Input in GPSI
Output. Input in GPSI
High
High
High
Transmit Data
Transmit Pre-distortion
Receive Data
Link Status
Receive Polarity
Transmit Enable
Receive Carrier Sense
Collision
Disable Transceiver
Serial Transmit Data Clock
Serial Receive Data Clock
O
O
I
O
O
O
I/O
I/O
O
I/O
I/O
Low
Low
High
High
High
High
Open Drain
Open Drain
TTL.
TXEN
in DAI port
TTL output. Input in DAI, GPSI port
TTL output. Input in GPSI
TTL high
Output. Input in GPSI
Output. Input in GPSI
I/O
O
O
I/O
I
I/O
I/O
O
Input
TTL. See also DAI port
TTL.
TXEN
in DAI port
Input. See also EADI port
TTL. See also DAI port
TTL input. Output in AUI
TTL input
TTL low
High
High
High
High
Low
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
AM79C940AVC 制造商:AMD 功能描述:79C940 AMD'94 SMT N6E2A
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