
KL5KUSB108
Kawasaki LSI
2570 North First Street
Suite 301
San Jose, CA 95131
Tel: (408) 570-0555
Fax: (408) 570-0567
www.klsi.com
1
Ver. 1.2
USB to 2 Serial / 1 Parallel
Description
The Kawasaki USB to 2 Serial / 1 Parallel enables your system to have the capability to communicate
between the USB (Universal Serial Bus) port and 2 serial ports and 1 parallel port. This device meets the
USB 1.0/1.1 and IEEE1284 specifications. All the advantages of USB are available to peripherals with
parallel and serial port interface. With Kawasaki’s USB to 2 Serial / 1 Parallel device and software, it is
transparent to the peripheral and no firmware changes are required which makes it possible to convert
peripherals with serial and parallel interfaces to USB interface with minimum modifications. This device is
ideal for legacy compatibility solutions.
Features
Advanced 16 Bit processor for USB transaction
processing and control data processing
Compliant with the USB 1.0/1.1 (Universal
Serial Bus)
Plug and Play compatible
Compliant with USB printer device class
specification
IEEE1284 compliant including EPP and ECP
modes
PC parallel port register-based standard
operation
5V tolerate Centronics inputs pins.
2 serial ports
230kbps baud rate
128 byte FIFO
Serial EEPROM interface
Utilizes low cost external crystal circuitry
8K 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
Multiple logical channels support
Block Diagram
Serial
Interface
Serial
ports
PLL & Clock
Generator
16 Bit Address / Data Bus
16 Bit
Processor
Serial
Interface
Engine
RAM
(16KB)
Timer 0
USB
Interface
Mask
ROM
EEPROM
Serial
Interface
Timer 1
VP
VM
CLK
Rxd
X2
Watchdog
Timer
IEEE1284
port
Txd
DTR
RTS
DCD
DSR
Txd
Rxd
CTS
RI
Channel 1
Channel 2
Debug
UART
SCL
SDA