參數(shù)資料
型號(hào): TMC2005
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 網(wǎng)絡(luò)接口
英文描述: 5 Port HUB Controller Device
中文描述: DATACOM, NETWORK INTERFACE SUPPORT CIRCUIT, PQFP60
封裝: QFP-60
文件頁數(shù): 8/32頁
文件大?。?/td> 153K
代理商: TMC2005
SMSC DS – TMC2005
Page 8
Rev. 10/24/2000
TX/RX Interface
FEATURE
NAME
RXINA [0:1]
RXINB [0:1]
EXTRX
SA, SB, SE
INPUT/OUTPUT
INPUT
DESCRIPTION
RX Port
Setup the polarity by SA, SB, SE.
RX Port
Polar
Assignment
INPUT
Setup the polarity of RXINA [0:1],
RXINB [0:1], EXTTX.
0 : active H
1: active L
TX data pulse (Mx=0) or TX
enable signal (Mx=1).
Setup TX mode by MA, MB, ME.
Setup the polarity by LA, LB, LE
TX pulse data into HYC9068S-
SK/9088S-SK when ARCNET
chip is at normal mode.
The pulse is always active Low.
TX pulse data into RS485 driver
or HYC2485S/2488S when
ARCNET chip is at backplane
mode.
The pulse is always active Low.
Setup the polarity of TXENA [0:1],
TXENB [0:1], EXTTX.
0 : active L
1: active H
Setup the mode of TXENA [0:1],
TXENB [0:1], EXTTX.
0: Output TX pulse. (It is
equivalent to nTXEN “OR”
nP1BAK)
1: Output TX enable
TX Port
TX Control
TXENA [0:1]
TXENB [0:1]
EXTTX
OUTPUT
TX Port
TX Data
Output
nPULSE [1:2]
OUTPUT
TX Port
nP1BAK
OUTPUT
TX Port
Polarity
Setup
LA, LB, LE
INPUT
TX Port
Mode Setup
MA, MB, ME
INPUT
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