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Texas Instruments MSP430 Series: What are the registers like PAOUT/PAIN?

MCU MSP430 series

This register combines 8-bit data for two ports into one 16-bit data.
PAIN (16bit) consists of 8bit data of PAIN_H (H means high) and PAIN_L (L means low). PAIN_H data reflects the P2IN value, and PAIN_L data reflects the P1IN value.

PAIN (16bit)

PAIN_H(8bit)PAIN_L(8bit)
P2IN P1IN

PAOUT(16bit)

PAOUT_H(8bit)PAOUT_L(8bit)
P2 OUT P1 OUT

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