USB to 4 Serial Ports - Kawasaki
Description
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DataSheet4U.
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KL5KUSB105
USB to 4 Serial Ports
Description
The Kawasaki USB to 4 Serial enables your system to have the capability to communicate between the USB (Universal Serial Bus) port and up to four serial port peripherals.
This device meets the USB 1.
0/1.
1 and standard serial port specifications.
All the advantages of USB are available to peripherals with serial port interface such as plug and play capabilities.
With the USB Standard of high-speed data transfers, this device is ideal for connections to high-speed modems or ISDN terminal adapters.
Kawasaki’s device and software enable the USB interface to be transparent to the peripheral and requires no firmware changes.
This makes it possible for peripherals with serial interfaces to easily interface with USB with minimum modifications.
This feature is ideal for Legacy applications.
Features
• • • • • • Advanced 16 Bit processor for USB transaction processing and control data processing Compliant with the USB 1.
0/1.
1 (Universal Serial Bus) 4 Serial Port 230kbps 128 byte FIFO Plug and Play compatible • • • • • • I2C interface Utilizes low cost external crystal circuitry 1.
5K x 16 internal RAM buffer for fast communications Debug UART for debug and code development USB host device drivers available Single-chip solution in a 100 pin LQFP
Block Diagram
VP VM
USB Interface
Watchdog Timer
Channel 4 Channel 3 Channel 2 Serial Interface Channel 1 Serial Interface Serial Interface Serial Interface (4)
Timer 1 16 Bit Processor Timer 0 Serial Interface Engine
DTR RTS DCD DSR CTS RI Txd Rxd
16 Bit Address / Data Bus
CLK X2
PLL & Clock Generator
RAM (3KB)
Mask ROM
EEPROM Serial Interface
Debug UART
Txd Rxd
SCL
SDA
Kawasaki LSI • 2570 North First Street • Suite 301 • San Jose, CA 95131 • Tel: (408) 570-0555 • Fax: (408) 570-0567 • www.
klsi.
com
Ver.
1.
8
1
KL5KUSB105
USB to 4 Serial Ports
KL5KUSB105 Application Block Diagram
KL5KUSB105
Serial Port
Serial Device Serial Device Serial Device Se...
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