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Control of Special Multiplexed Options
317
SPNU563A–March 2018
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I/O Multiplexing and Control Module (IOMM)
The logic equations for the 4 outputs from the combinational logic shown in Figure 6-4 are:
• B = SOC1B or SOC2B or SOC3B or SOC4B or SOC5B or SOC6B or SOC7B
• A1 = [ SOC1A and not(SOC1A_SEL) ] or
[ SOC2A and not(SOC2A_SEL) ] or
[ SOC3A and not(SOC3A_SEL) ] or
[ SOC4A and not(SOC4A_SEL) ] or
[ SOC5A and not(SOC5A_SEL) ] or
[ SOC6A and not(SOC6A_SEL) ] or
[ SOC7A and not(SOC7A_SEL) ] or
• A2 = [ SOC1A and SOC1A_SEL ] or
[ SOC2A and SOC2A_SEL ] or
[ SOC3A and SOC3A_SEL ] or
[ SOC4A and SOC4A_SEL ] or
[ SOC5A and SOC5A_SEL ] or
[ SOC6A and SOC6A_SEL ] or
[ SOC7A and SOC7A_SEL ] or
• AB = B or A2
The SOCxA_SEL signals used in the above logic equations are generated using registers in the I/O
multiplexing module.
• PINMMR164[0] defines the value of SOC1A_SEL. This bit is set by default and can be cleared by the
application.
• PINMMR164[8] defines the value of SOC2A_SEL. This bit is set by default and can be cleared by the
application.
• PINMMR164[16] defines the value of SOC3A_SEL. This bit is set by default and can be cleared by the
application.
• PINMMR164[24] defines the value of SOC4A_SEL. This bit is set by default and can be cleared by the
application.
• PINMMR165[0] defines the value of SOC5A_SEL. This bit is set by default and can be cleared by the
application.
• PINMMR165[8] defines the value of SOC6A_SEL. This bit is set by default and can be cleared by the
application.
• PINMMR165[16] defines the value of SOC7A_SEL. This bit is set by default and can be cleared by the
application.
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