Datasheet

RL78/L12 CHAPTER 2 PIN FUNCTIONS
R01UH0330EJ0200 Rev.2.00 37
Dec 13, 2013
2.3 Connection of Unused Pins
Table 2-3 shows the types of pin I/O circuits and the recommended connections of unused pins.
Remark The pins mounted depend on the product. See 1.3 Pin Configuration (Top View) and 2.1 Port Function.
Table 2-3. Connection of Unused Pins (64-pin products) (1/3)
Pin Name I/O Recommended Connection of Unused Pins
P10/SCK00/SEG28 I/O <When setting to port I/O>
Input: Independently connect to EV
DD or EVSS via a resistor.
Output: Leave open.
<When setting to segment output>
Leave open.
P11/SI00/RxD0/TOOLRxD/
SEG29
P12/SO00/TxD0/TOOLTxD/
SEG30
P13/ANI18/SEG31
P14/ANI19/SEG32
P15/SCK01/INTP1/SEG4
P16/SI01/INTP2/SEG5
P17/SO01/TI02/TO02/SEG6
P20/ANI0/AVREFP
Input: Independently connect to V
DD or VSS via a resistor.
Output: Leave open.
P21/ANI1/AVREFM
P30/TI01/TO01/SEG19 <When setting to port I/O>
Input: Independently connect to EV
DD or EVSS via a resistor.
Output: Leave open.
<When setting to segment output>
Leave open.
P31/INTP3/RTC1HZ/SEG18
P32/TI03/TO03/INTP4/SEG17
P40/TOOL0 Input: Independently connect to EVDD via a resistor or leave open.
Output: Leave open.
P41/ANI16/TI04/TO04/SEG24 <When setting to port I/O>
Input: Independently connect to EV
DD or EVSS via a resistor.
Output: Leave open.
<When setting to segment output>
Leave open.
P42/TI05/TO05/SEG23
P43/INTP7/SEG22
Remark With products not provided with an EVDD or EVSS pin, replace EVDD with VDD, or replace EVSS with VSS.
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