I will NOT use these pins of 21369
What can I do with them (pull up or pull down or unconnected)
ADDR0, ADDR11,ADDR13-16, ADDR19-23,
Thank You in Advance
If internal pull-ups (PU) are included (see Pin Descriptions table in the datasheet), these pins can be left floating. This is the case for ADDR23–0, /MS0–1, /RD, /WR, ACK. Any pin that is output only can always be left floating, like is the case of the XTAL pin.
/MS3 is multiplexed with FLAG3, which is an input after reset. FLAG 1 and 2 are also inputs after reset. If these pins are unused (for both flag and memory select functions), you can use a pull down resistor, assuming you are not changing their default stage (flag input).
Thank you for clarification.
It is heplful.
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