Renesas TM V.3.20A Spezifikationen PDF herunterladen (Seite 489)

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Renesas Technology, Tools FAQs

Last Updated: July 5, 2000

Document Number: 01051299_e

Concerning the extended A/D function of M30620T-RPD-E, M30620TB-RPD-E and M30620T2-RPD-E: when I use bit 0 of Port

P0 for the A/D function,

can I use Bit 0 of Port P2 as an I/O port?1.

can I set Bit 0 of Port P10 as an input mode and use Bits 1 to 7 of Port P10 as I/O ports?2.

M30620T-RPD-E, M30620TB-RPD-E and M30620T2-RPD-E are affected by the following limitations:

[When Port P0 is used as an A/D Input]

All direction register bits (8 bits) of P107 to P100 must be set to "input."

❍

Pull-up control register for P107 to P100 must be set to "no pull-up."❍

P107 to P100 cannot be used for both I/O ports and key interrupt inputs.❍

[When Port P2 is used as an A/D input]

All direction register bits (8 bits) of P107 to P100 must be set to "input."

❍

Pull-up control register for P107 to P100 must be set to "no pull-up."❍

P107 to P100 cannot be used for both I/O ports and key interrupt inputs.❍

[When Port P10 is used as an A/D input]

No limitations.

❍

Therefore, when bit 0 of Port P0 is used as an A/D input, [When Port P0 is used as an A/D Input] limitations apply as indicated:

Can Bit 0 of Port P2 be used as an I/O port?

===>Yes, it can.

Can Bits 1 to 7 of Port P10 be used as I/O ports while setting Bit 0 of Port P10 to input mode?

===>No, they cannot.

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