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MSP430FR2533: Maximum number of buttons for Mutual of MSP430FR2533

Part Number: MSP430FR2533

Hi experts,

I want to know the maximum number of buttons for Mutual of MSP430FR2533.

When I check the link below, the maximum number of buttons for Mut of MSP430FR2533 is "24".

software-dl.ti.com/.../ch_device.html


If the captive channel is 16, then 8x8 = 64 and I think the MSP430FR2533 can use 64 buttons. Also, if I set the 64 button in the Design Center, I can pin assign without any problem.

Why is 24ch listed in the link above? Is the RAM size insufficient?

Best regards,
Sasaki

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