KL5KUSB101
USB to 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
7
Ver. 2.4
USB Interface
The USB controller meets the Universal Serial Bus (USB) specification ver 1.0.
The
transceiver is capable of transmitting and receiving serial data at the USB’s full speed, 12
Mbits/sec data rate. The driver portion of the transceiver is differential, while the receive
section is comprised of a differential receiver and two single ended receivers. Internally,
the transceiver interfaces to the SIE logic. Externally, the transceiver connects to the
physical layer of the USB.
10Mb/sec Ethernet Interface
The KL5KUSB101 Controller has a built in 10 Mbit/sec 10-base T Ethernet MAC (Media
Access Controller) which is fully compliant with the IEEE 802.3 Ethernet standard. The
KL5KUSB101 connects externally to a 10 Base -T ENDEC PHY.
The KL5KUSB101
Controller 16-bit processor has direct access to the registers of the MAC.
UART Interface
Supports a transfer rate of 900 to 115.2K baud.
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.
SRAM Interface
An address port and 16-bit data port has been provided to interface to an external SRAM.
DC CHARACTERISTICS
U2E is implemented with Kawasaki’s 0.5um CMOS CBA and Embedded
Memory KZ300EM Technology. The followings are the description of chip electric
characteristics.
1. Absolute Maximum Ratings
Table 5.1 Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Supply Voltage
Vdd
–0.3 ~ 4.0
V
Input Voltage
Vin
–0.3 ~ 7.3
V
DC Output Current
Iout
±15
mA
Storage Temperature
Tstg
–55 ~ 125
°C
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