28027 ADC channel 5 and internal temperature sensor

it says in TMS320x2802x, 2803x Piccolo Analog-to-Digital Converter (ADC) and Comparator Reference Guide:

" The internal temperature sensor output can be sampled with the ADC on channel A5 using a switch controlled by the ADCCTL1.TEMPCONV bit. The
switch allows A5 to be used both as an external ADC input pin and the temperature sensor access point.
When sampling the temperature sensor, the external circuitry on ADCINA5 has no affect on the sample.
Refer to Section 1.10.1 for information about switching between the external ADCINA5 input pin and the
internal temperature sensor."

However, 28027 has no actual pin connected to ADCINA5, how to use channel 5 then?

so this channel 5 is just for internal temperature then.

Thank you