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Chapter 1 Concepts for Using MKY02 (HUB)
1.8 Features of MKY02
This section describes the features of the MKY02 HUB-IC for the CUnet.
(1) Supports any baud rates up to 12.5 Mbps, including standard baud rates of 12, 6, and 3 Mbps.
(2) Has eight ports (ports 0 to 7), facilitating configuration of a HUB with two to eight ports using one
MKY02.
(3) Has output pins that can turn on monitor LEDs when any one or more of the eight ports receive a
packet.
(4) Has output pins for receiving monitor for each port to turn on monitor LEDs when eight ports receive
a packet.
(5) Has output pins that can turn on monitor LEDs when any one or more of the eight ports receive an
error packet.
(6) Has pins for cascade connection that can add ports.
(7) Can be connected to both 5.0-V and 3.3-V TTL level signals using 5.0-V tolerant signal pins.
(8) Operates on 3.3-V single power supply and available in 0.5 mm pitch, 64 pins, TQFP.
The MKY02 can also be used as a Hub for Hi-speed Link System (HLS) family by setting
the HC pin (pin 50). However, CUnet and HLS networks cannot be connected via the
HUB.
Note that the MKY02 is not a “bridge” for connecting networks using different family
products.
For details of Hubs of the Hi-speed Link System family, refer to “MKY02 User’s Manual
(for Hi-speed Link System)”.
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