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We had a project that required more UARTs. We used a Philips chip SC28L194 with 4 UARTs and interfaced it to a Rabbit 2000 microprocessor. The chip can be interfaced to any microprocessor. There is also a SC28L198 with 8 UARTs. You could use 1 or 2 of these chips to give you more UARTs. The datasheets talked about the chip having a Motorola or Intel interface so you may be able to use it with your Motorola microprocessor. There are also space I/O pins that can be used to add CTS/RTS hardware handshaking if you like.
cheers, dirk
-- Dr Dirk Husemann, Pervasive Computing, IBM Research, Zurich Research Lab hud@zurich.ibm.com --- http://www.zurich.ibm.com/~hud/ PGP key: http://www.zurich.ibm.com/~hud/contact/PGP PGP Fingerprint: 983C 48E7 0A78 A313 401C C4AD 3C0A 278E 6431 A149 Email only authentic if signed with PGP key.
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