CS8952(2001) Ver la hoja de datos (PDF) - Cirrus Logic
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CS8952 Datasheet PDF : 82 Pages
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CS8952
10BASE-T Serial Application ....................................................................... 25
Auto-Negotiation ................................................................................................. 25
Reset Operation .................................................................................................. 26
LED Indicators..................................................................................................... 26
MEDIA INDEPENDENT INTERFACE (MII) ................................................................. 27
MII Frame Structure ............................................................................................ 27
MII Receive Data................................................................................................. 28
MII Transmit Data................................................................................................ 28
MII Management Interface .................................................................................. 29
MII Management Frame Structure ...................................................................... 29
CONFIGURATION ...................................................................................................... 30
Configuration At Power-up/Reset Time............................................................... 30
Configuration Via Control Pins ............................................................................ 30
Configuration via the MII ..................................................................................... 30
CS8952 REGISTERS .................................................................................................. 31
Basic Mode Control Register - Address 00h ..................................................... 32
Basic Mode Status Register - Address 01h ...................................................... 34
PHY Identifier, Part 1 - Address 02h ................................................................. 36
PHY Identifier, Part 2 - Address 03h ................................................................. 37
Auto-Negotiation Advertisement Register - Address 04h .................................. 38
Auto-Negotiation Link Partner Ability Register - Address 05h ........................... 39
Auto-Negotiation Expansion Register - Address 06h ........................................ 40
Auto-Negotiation Next-Page Transmit Register - Address 07h ......................... 41
Interrupt Mask Register - Address 10h ............................................................. 42
Interrupt Status Register - Address 11h ............................................................ 45
Disconnect Count Register - Address 12h ........................................................ 48
False Carrier Count Register - Address 13h ..................................................... 49
Scrambler Key Initialization Register - Address 14h ......................................... 50
Receive Error Count Register - Address 15h .................................................... 51
Descrambler Key Initialization Register - Address 16h ..................................... 52
PCS Sub-Layer Configuration Register - Address 17h ..................................... 53
Loopback, Bypass, and Receiver Error Mask Register - Address 18h ............. 56
Self Status Register - Address 19h ................................................................... 59
10BASE-T Status Register - Address 1Bh ........................................................ 61
10BASE-T Configuration Register - Address 1Ch ............................................ 62
DESIGN CONSIDERATIONS ...................................................................................... 64
Twisted Pair Interface ......................................................................................... 64
100BASE-FX Interface........................................................................................ 64
Internal Voltage Reference ................................................................................. 64
Clocking Schemes .............................................................................................. 65
Recommended Magnetics .................................................................................. 66
Power Supply and Decoupling ............................................................................ 66
General Layout Recommendations..................................................................... 66
PIN DESCRIPTIONS ................................................................................................... 69
PACKAGE DIMENSIONS ........................................................................................... 81
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver
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