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Port Output Enable (POE) Terminal Input Setting

Last Updated:08/25/2017

Question:

Is it necessary to enable the input buffer control bit for a Port Output Enable (POE) terminal input setting?

Answer:

When using the RX62N, RX621, RX62T, or RX62G, it is not necessary to enable the input buffer control bit of the Input Buffer Control Register (ICR) for a POE terminal input setting.  This, however, does not apply to the RX610.

Also, the following peripheral modules do not require ICR settings:
(1) RX62N, RX621 - data bus input, NMI, and POE pin inputs

(2) RX62T, RX62G - NMI, and POE pin inputs

For the input buffer control, see “Input Buffer Control Register (ICR)” and "Settings of Ports" description in the “I/O ports” section of their respective user’s manual.

Suitable Products
RX610
RX62N
RX621
RX62T
RX62G
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