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What is the contrast between complete version and simplified version?

Latest Updated:04/01/2002

Question:

It is stated that the IEBus controller is a "simplified version".
What is the difference between the complete version and the simplified version?
Also, is an external device required?

Answer:

The complete version of the IEBus controller has a 32-byte transmit/receive buffer, but the simplified version of the IEBus controller has only a 1-byte transmit/receive buffer.
An external differential driver is required on the transmit/receive data line (not manufactured by NEC Electronics).
Suitable Products
V850E2/Sx
V850E/Sx
V850ES/Sx