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PDF ( 数据手册 , 数据表 ) IP113A

零件编号 IP113A
描述 LAN Transceiver - Datasheet Reference
制造商 ICp
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IP113A 数据手册, 描述, 功能
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IP113A
Preliminary Data Sheet
10 /100Base-Tx/Fx Media Converter
Features
˜ A 10/100BASE-TX/ 100BASE-FX converter
˜ Built in a 10/100BASE-TX transceiver
˜ Built in a PHY for 100BASE-FX
˜ Built in a 2-port switch
– Pass all packets without address and
CRC check (optional)
– Supports modified cut-through frame
forwarding for low latency
– Supports pure converter mode data
forwarding for extreme low latency
– Supports flow control for full and half
duplex operation
– Bandwidth control
– Forward 1600 bytes packet for
management
– Optional forward fragments
˜ Built in 128Kb RAM for data buffer
˜ Supports auto MDI-MDIX function
˜ Supports link fault pass through function
˜ Supports far end fault function
˜ LED display for link/activity, full/half, 10/100
˜ Built in a watchdog timer to monitor internal
switch error
˜ Supports EEPROM Configuration
˜ 0.25u CMOS technology
˜ Single 2.5V power supply
˜ 48-pin LQFP package
General Description
IP113A can be a 10/100BASE-TX to 100BASE-FX
converter or a 100BASE-FX to 100BASE-FX
repeater. It consists of a 2-port switch controller, a
fast Ethernet transceiver and a PHY for
100BASE-FX. The transceivers in IP113A are
designed in DSP approach with advance 0.25-um
technology; this results in high noise immunity and
robust performance.
IP113A not only supports store and forward mode,
it also supports modified cut through mode and
pure converter mode for low latency data
forwarding. IP113A can transmit packet(s) up to
1600 bytes to meet requirement of extra long
packets.
IP113A supports IEEE802.3x, collision base
backpressure, and various LED functions, etc.
These functions can be configured to fit the
different requirements by feeding operation
parameters via EEPROM interface or pull
up/down resistors on specified pins.
Block Diagram
RXIP
RXIM
TXOP
TXOM
SCL
SDA
SSRAM
PLL/ Clock
Generator
10/100M TX
PHY
MII MII
Two port switch
100M FX
EEPROM
I/F
Forward Mode
Control
LED
I/F
FXSD
FXRDP
FXRDM
FXTDP
FXTDM
LED
Confidential.
Copyright © 2004, IC Plus Corp.
1/22
April 7, 2004
IP113A-DS-R03







IP113A pdf, 数据表
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1. PIN Description (continued)
IP113A
Preliminary Data Sheet
Pin no.
Label
MC operation mode
33 TWO_FIBER
Type
Description
IPL Two fiber ports
1: IP113A supports two-fiber ports mode. Both port 1 and
port 2 are fiber ports. RXIP and RXIM are used as
FXRDP and FXRDM for the second fiber port. TXOP and
TXOM are used as FXTDP and FXTDM for the second
fiber port.
A special requirement for the fiber MAU of port1 in this
application is that the output of FXRDP and FXRDM
should have no incoming signals when fiber wire is
unplugged.
For some fiber MAUs, there are amplified noisy signals
on FXRDP and FXRDM when fiber is unplugged.
These amplified noisy signals, which include coupled
idle patterns from FXTDP and FXTDM will cause the
LEDs of port1 malfunction
Generally, a 3.3-V small form factor type fiber MAUs
(e.g. Agilent HFBR-5903) can meet this special
requirement, but 5-V duplex-SC and -ST type fiber
MAUs cannot. Port2 is not limited by this special
requirement.
0: IP113A supports one fiber port and one TP port. Port 1 is
a TP port and port 2 is a fiber port.
Confidential.
Copyright © 2004, IC Plus Corp.
8/22
April 7, 2004
IP113A-DS-R03







IP113A equivalent, schematic
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IP113A
Preliminary Data Sheet
Auto MDI_MDIX
IP113A supports auto MDI-MDIX. It is always enabled. The following is its application circuit for auto
MDI-MDIX.
RXIP
RXIM
IP113A
50
RD +
RD -
AVCC
50
CT
TXOP
TXOM
IP113A
50
TD +
TD -
AVCC
50
CT
MDI-MDIX
0.1u transformer
MDI-MDIX
0.1u transformer
GND
GND
IP113A's application circuit (auto MDI-MDIX on)
Confidential.
Copyright © 2004, IC Plus Corp.
16/22
April 7, 2004
IP113A-DS-R03










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