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參數(shù)資料
| 型號： | KL5KUSB220 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB2.0 to 100 Ethernet Controller |
| 中文描述： | USB2.0接口100以太網(wǎng)控制器 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大小： | 183K |
| 代理商： | KL5KUSB220 |
KL5KUSB220
USB2.0 to 100 Ethernet Controller
Kawasaki LSI
2570 North First Street
Suite 301
San Jose, CA 95131
Tel: (408) 570-0555
Fax: (408) 570-0567
www.klsi.com
8
Ver. 1.0
PLL Clock Generator
A 12 MHz external crystal may be used with the KL5KUSB220 controller. Two pins, X1
and CLK, are provided to connect a lower cost crystal circuit to the device. There are two
PLL's in the KL5KUSB220, one PLL is configured as a x4 multiplier and the second is
configured as a x5 multiplier. The first PLL is used to generate the processor clock. The
processor has the ability to select the desired processor clock to 48 MHz (default) or
lower. The second PLL is used to generate the clock for the USB 2.0 SIE. Circuitry is
provided to generate the internal 48MHz clock requirements of the device. If a n exteran
12 MHz clock is available in the application, it may be used in lieu of the crystal circuit vy
connecting directly to the CLK input pin.
Unified Scatter Gather DMA Controller
The unified scatter gather DMA controller enables the high speed data through required
for USB 2.0 to 100Mb Ethernet. The processor creates the DMA Control Blocks (DCB's)
and enables reception or transmission on a channel. The unified DMA controller then
receives/transmits the data to/from the corresponding buffer specified in the DCB.
USB 2.0 Interface
The KL5KUSB220 Controller has USB 2.0 SIE (Serial Interface Engine) allowing both HS
(High Speed) and FS (Full Speed) operation. The controller has an interface to an
external UTMI Transceiver.
10Mb, 100Mb/sec Ethernet Interface
The KL5KUSB220 Controller has a built in the Ethernet MAC (Media Access Controller)
which is fully compliant with the IEEE 802.3 Ethernet standard. The KL5KUSB220
connects externally to a MII interface 10 Base -T and/or 100 Base-T PHY. The
KL5KUSB220 Controller 16-bit processor has direct access to the registers of the MAC.
UART Interface
Supports a transfer rate of 7200 to 115.2K baud.
General Purpose I/O
Up to 12 general purpose I/O signals are available. However, most GPIO may be
configured for special purpose functions such as UART, Serial EEPROM interface, Digital
Input, etc.
Serial EEPROM Support
The USB Controller serial interface is used to provide access to external EEPROM’s.
The interface can support a variety of Serial EEPROM formats.
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