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PDF KS8001 Data sheet ( Hoja de datos )
| Número de pieza | KS8001 | |
| Descripción | 3.3V 10/100BASETX/FX Physical Layer Transceiver | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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General Description
The KS8001 is a 10BASE-T/100BASE-TX/FX Physical
Layer Transceiver, operating the core at 1.8 volts to meet
low voltage and low power requirements. The solution
provides MII/RMII/SMII interfaces to transmit and receive
data. A unique mixed-signal design extends signaling
distance while reducing power consumption.
HP Auto MDI/MDI-X provides the most robust solution for
eliminating the need to differentiate between crossover and
straight-through cables.
Featuring LinkMD cable diagnostics, which allows
detection of common cabling plant problems such as open
and short circuits, the KS8001 represents a new level of
features and performance and is an ideal choice of
physical layer transceiver for 100BASE-TX/10BASE-
T/100BASE-FX applications.
Functional Diagram
KS8001
1.8V, 3.3V 10/100BASETX/FX
Physical Layer Transceiver
DATASHEET V 1.01
Features
• Single chip 100BASE-TX/100BASE-FX/10BASE-T
physical layer solution
• 1.8V CMOS design, power consumption 250 mW
• Robust (130m+) operation over standard cables
• Supports Media Independent Interface (MII), Reduced
MII (RMII), and Serial MII (SMII)
• LinkMD feature to determine cable length and
diagnose faulty cables up 200 m with +/- 2 m accuracy
• Supports HP MDI/MDI-X auto crossover
• Supports power down mode and power saving mode
• MDC/MDIO to 12.5 MHz for rapid configuration
• Fully compliant to IEEE 802.3u standard
• Supports auto-negotiation and manual selection for
10/100Mbps speed and full / half-duplex mode
TX+
TX-
TRANSMITTER
10/100
PULSE
SHAPER
RX+
RX-
ADAPTIVE EQ
BASELINE WANDER
CORRECTION
MLT3 DECODER
NRZI/NRZ
10BASE-T
RECEIVER
XI
PLL
XO
NRZ/NRZI
MLT3 ENCODER
CLOCK
RECOVERY
AUTO
NEGOTIATION
4B/5B ENCODER
SCRAMBLER
PARALLEL/SERIAL
PARALLEL/SERIAL
MANCHESTER ENCODER
4B/5B DECODER
DESCRAMBLER
SERIAL/PARALLEL
MANCHESTER DECODER
SERIAL/PARALLEL
MII/RMII/SMII
REGISTERS
AND
CONTROLLER
INTERFACE
TXD3
TXD2
TXD1
TXD0
TXER
TXC
TXEN
CRS
COL
MDIO
MDC
RXD3
RXD2
RXD1
RXD0
RXER
RXDV
RXC
POWER DOWN/
POWER SAVING
PWRDWN
LED
DRIVER
LINK
COL
FDX
SPD
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
May 2005
MICREL CONFIDENTIAL. DO NOT DISTRIBUTE.
1
KS8001
1 page  
KS8001
Micrel
Register 5h – Auto-Negotiation Link Partner Ability......................................................................................................................... 27
Register 6h – Auto-Negotiation Expansion ...................................................................................................................................... 27
Register 7h – Auto-Negotiation Next Page ...................................................................................................................................... 28
Register 8h – Link Partner Next Page Ability................................................................................................................................... 28
Register 15h – RXER Counter......................................................................................................................................................... 28
Register 1bh – Interrupt Control/Status Register ............................................................................................................................. 29
Register 1dh – LinkMD Control/Status Register .............................................................................................................................. 29
Register 1eh – PHY Control ............................................................................................................................................................ 30
Register 1fh – 100BASE-TX PHY Controller ................................................................................................................................... 30
Absolute Maximum Rating (Note 1)...................................................................................................................................................... 32
Operating Range (Note 2)...................................................................................................................................................................... 32
Package Thermal Resistance (θJA)(Note 3) .......................................................................................................................................... 33
Electrical Characteristics (Note4) ........................................................................................................................................................ 33
Timing Diagrams ............................................................................................................................................................................... 35
Reset Timing Diagram....................................................................................................................................................................... 40
Reset Timing Parameters ................................................................................................................................................................ 40
Reset Circuit Diagram ....................................................................................................................................................................... 40
Reference Circuit for Strapping Option Configuration................................................................................................................... 42
Selection of Isolation Transformers ................................................................................................................................................ 43
Selection of Reference Crystal......................................................................................................................................................... 43
Package Information ......................................................................................................................................................................... 44
May 2005 – SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
MICREL CONFIDENTIAL. DO NOT DISTRIBUTE.
5
KS8001
5 Page 
KS8001
Pin Configuration
1 MDIO
2 MDC
3 RXD3/PHYAD1
Top View
SSOP 48
RST#
VDDPLL
XI
48
47
46
4 RXD2/PHYAD2
XO 45
5 RXD1/PHYAD3
GND 44
6 RXD0/PHYAD4
NC 43
7 VDDIO
NC 42
8 GND
TX+ 41
9 RXDV/PCS_LPBK
TX- 40
10 RXC
11 RXER/ISO
12 GND
KS8001S
GND 39
VDDRCV 38
REXT 37
13 VDDC
GND 36
14 TXER
GND 35
15 TXC/REF_CLK
FXSD/FXEN 34
16 TXEN
17 TXD0
RX+ 33
RX- 32
18 TXD1
VDDRX 31
19 TXD2
PD# 30
20 TXD3
21 COL/RMII
22 CRS/RMII_BTB
LED3/NWAYEN 29
LED2/DUPLEX 28
LED1/SPD100 27
23 GND
LED0/TEST 26
24 VDDIO
INT#/PHYAD0 25
Micrel
1 MDIO
2 MDC
3 RXD3/PHYAD1
4 RXD2/PHYAD2
5 RXD1/PHYAD3
6 RXD0/PHYAD4
7 VDDIO
8 GND
9 RXDV/PCS_LPBK
10 RXC
11 RXER/ISO
12 GND
Top View
LQFP 48
KS8001L
GND 36
GND 35
FXSD/FXEN 34
RX+ 33
RX- 32
VDDRX 31
PD# 30
LED3/NWAYEN 29
LED2/DUPLEX 28
LED1/SPD100 27
LED0/TEST 26
INT#/PHYAD0 25
May 2005 – SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
MICREL CONFIDENTIAL. DO NOT DISTRIBUTE.
11
KS8001
11 Page | ||
| Páginas | Total 44 Páginas | |
| PDF Descargar | [ Datasheet KS8001.PDF ] | |
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