Datasheet

R01DS0190EJ0100 Rev.1.00 Page 90 of 107
Jun 19, 2013
RX111 Group 5. Electrical Characteristics
Note 1. The internal reference voltage cannot be selected for input channels when AVCC0 < 2.0 V.
Note 2. The A/D internal reference voltage indicates the voltage when the internal reference voltage is input to the A/D converter.
Table 5.39 A/D Converter Channel Classification
Classification Channel Conditions Remarks
High-precision channel AN000 to AN004, AN006 AVCC0 = 1.8 to 3.6 V Pins AN000 to AN004 and AN006
cannot be used as digital outputs when
the A/D converter is in use.
Normal-precision channel AN008 to AN015
Internal reference voltage input
channel
Internal reference voltage AVCC0 = 2.0 to 3.6 V
Temperature sensor input
channel
Temperature sensor output AVCC0 = 2.0 to 3.6 V
Table 5.40 A/D Internal Reference Voltage Characteristics
Conditions: VCC = AVCC0 = VCC_USB = 2.0 to 3.6 V*
1
, VSS = AVSS0 = VREFL0 = VSS_USB = 0 V, T
a
= –40 to +105°C
Item Min. Typ. Max. Unit Test Conditions
Internal reference voltage input
channel*
2
1.36 1.43 1.50 V