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CS8900A-CQ3ZR 其他数据使用手册 - Cirrus Logic（思睿逻辑）
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Cirrus Logic（思睿逻辑）
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接口芯片
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LQFP-100
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CS8900A-CQ3ZR数据手册
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Copyright Cirrus Logic, Inc. 2010
(All Rights Reserved)
CS8900A
Product Data Sheet
Crystal LAN™ Ethernet
Controller
FEATURES
Single-Chip IEEE 802.3 Ethernet Controller with
Direct ISA-Bus Interface
Maximum Current Consumption = 55 mA (5V
Supply
)
3V or 5V Operation
Industrial Temperature Range
Comprehensive Suite of Software Drivers
Available
Efficient PacketPage™ Architecture Operates in
I/O and Memory Space, and as DMA Slave
Full Duplex Operation
On-Chip RAM Buffers Transmit and Receive
Frames
10BASE-T Port with Analog Filters, Provides:
- Automatic Polarity Detection and Correction
AUI Port for 10BASE2, 10BASE5 and 10BASE-F
Programmable Transmit Features:
- Automatic Re-transmission on Collision
- Automatic Padding and CRC Generation
Programmable Receive Features:
- Stream Transfer™ for Reduced CPU Overhead
- Auto-Switch Between DMA and On-Chip Memory
- Early Interrupts for Frame Pre-Processing
- Automatic Rejection of Erroneous Packets
EEPROM Support for Jumperless Configuration
Boot PROM Support for Diskless Systems
Boundary Scan and Loopback Test
LED Drivers for Link Status and LAN Activity
Standby and Suspend Sleep Modes
DESCRIPTION
The CS8900A is a low-cost Ethernet LAN Controller op-
timized for the Industry Standard Architecture (ISA) bus
and general purpose microcontroller busses. Its highly-
integrated design eliminates the need for costly external
components required by other Ethernet controllers. The
CS8900A includes on-chip RAM, 10BASE-T transmit
and receive filters, and a direct ISA-Bus interface with
24 mA Drivers.
In addition to high integration, the CS8900A offers a
broad range of performance features and configura-
tionoptions. Its unique PacketPage architecture
automatically adapts to changing network traffic pat-
terns and available system resources. The result is
increased system efficiency.
The CS8900A is available in a 100-pin LQFP package
ideally suited for small form-factor, cost-sensitive Ether-
net applications. With the CS8900A, system engineers
can design a complete Ethernet circuit that occupies
less than 1.5 square inches (10 sq. cm) of board space.
ORDERING INFORMATION
CS8900A-CQZ 0° to 70° C 5V LQFP-100 Lead free
CS8900A-IQZ -40° to 85° C 5V LQFP-100 Lead free
CS8900A-CQ3Z 0° to 70° C 3.3V LQFP-100 Lead free
CS8900A-IQ3Z -40° to 85° C 3.3V LQFP-100 Lead free
CRD8900A-1 Evaluation Kit
EEPROM
RJ-45 10BASE-T
Attachment
Unit
Interface
(AUI)
20 MHz
XTAL
RAM
Bus
Logic
Memory
Manager
802.3
MAC
Engine
EEPROM
Control
Encoder/
Decoder
&
PLL
10BASE-T
RX Filters &
Receiver
10BASE-T
TX Filters &
Transmitter
AUI
Transmitter
AUI
Collision
AUI
Receiver
Clock
Power
Manager
Boundary
Scan
Test Logic
LED
Control
CS8900A ISA Ethernet Controller
Host
Host Bus
DS271F5 SEP ‘10
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