CS8920A 데이터 시트보기 (PDF) - Cirrus Logic
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CS8920A Datasheet PDF : 144 Pages
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CS8920A
10BASE-T Interface
Symbol
TXD+
TXD-
RXD+
RXD-
Pin Number
125
126
129
130
Type
Description
dO 10BASE-T Transmit: Differential output pair drives 10 Mb/s
Manchester-encoded data to the 10BASE-T transmit pair.
dI 10BASE-T Receive: Differential input pair receives 10 Mb/s
Manchester-encoded data from the 10BASE-T receive pair.
Attachment Unit Interface (AUI)
Symbol
DO+
DO-
DI+
DI-
CI+
CI-
Pin Number
121
122
117
118
119
120
Type
Description
dO AUI Data Out: Differential output pair drives 10 Mb/s
Manchester-encoded data to the AUI transmit pair.
dI AUI Data In: Differential input pair receives 10 Mb/s Manchester-encoded
data from the AUI receive pair.
dI AUI Collision In: Differential input pair connects to the AUI collision pair.
A collision is indicated by the presence of a 10 MHz +/-15% signal with
duty cycle no worse than 60/40.
Pin Types:
dI = Differential Input Pair
I
dO = Differential Output Pair
O
B = Bi-Directional with Tri-State Output P
OD = Open Drain Output
= Input
= Output
= Power
G = Ground
ts = Tri-State
w = Internal Weak Pullup
Digital outputs are followed by drive in mA (Example: OD24 = Open Drain Output with 24 mA drive).
12
DS238PP2
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