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Control of Special Multiplexed Options

6.5.13 Temperature Sensor Selection

There are three instances of temperature sensors in this microcontroller. The measured temperatures are

analog signals. These analog signals are connected to the on chip ADCs for conversion. Before the

temperature sensors can be used, they must be enabled. By default, they are disabled with

PINMMR174[24] = 1. To enable the temperature sensors, PINMMR174[24] must be cleared to 0.

• Temperature sensor 1's output is multiplexed with AD1IN[31].

• Temperature sensor 2's output is multiplexed with AD2IN[31].

• Temperature sensor 3's output is multiplexed with AD2IN[30].

Table 6-11. Temperature Sensor Selection

Decode

(1)

Select

AD1CHNSEL(31) = 1 Temp Sensor 1

PINMMR173(16) = 0

PinMMR173(17) = 1

AD1CHNSEL(31) = 1 AD1IN[31]

PINMMR173(16) =1

PinMMR173(17) = 0

AD2CHNSEL(31) = 1 Temp Sensor 2

PINMMR173(24) =0

PINMMR173(25) = 1

AD2CHNSEL(31) = 1 AD2IN[31]

PINMMR173(24) =1

PINMMR173(25) = 0

AD2CHNSEL(30) = 1 Temp Sensor 3

PINMMR174(0) =0

PINMMR174(1) = 1

AD2CHNSEL(30) = 1 AD2IN[30]

PINMMR174(0) =1

PINMMR174(1) = 0

(1)

AD1CHNSEL is configured inside the MibADC1 Wrapper. AD2CHNSEL is configured inside the MibADC2 Wrapper.

311

SPNU562–May 2014 I/O Multiplexing and Control Module (IOMM)

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