Pin I/O Circuits And Recommended Connection Of Unused Pins - NEC 78K0R/KE3 User Manual

2.3 Pin I/O Circuits and Recommended Connection of Unused Pins

Table 2-3 shows the types of pin I/O circuits and the recommended connections of unused pins.
Pin Name
P00/TI00
P01/TO00
P02/SO10/TxD1
P03/SI10/RxD1/SDA10
P04/SCK10/SCL10
P05/TI05/TO05
P06/TI05/TO05
P10/SCK00
P11/SI00/RxD0
P12/SO00/TxD0
P13/TxD3
P14/RxD3
P15/RTCDIV/RTCCL
P16/TI01/TO01/INTP5
P17/TI02/TO02
Note
P20/ANI0 to P27/ANI7
P30/RTC1HZ/INTP3
P31/TI03/TO03/INTP4
P40/TOOL0
P41/TOOL1
P42/TI04/TO04
P43
P50/INTP1, P51/INTP2
P52 to P55
P60/SCL0
P61/SDA0
P62, P63
P70/KR0 to P73/KR3
P74/KR4/INTP8 to
P77/KR7/INTP11
P120/INTP0/EXLVI
Note P20/ANI0 to P27/ANI7 are set in the digital input port mode after release of reset.
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CHAPTER 2 PIN FUNCTIONS
Table 2-3. Connection of Unused Pins (1/2)
I/O Circuit Type I/O
8-R I/O
5-AG
5-AN
8-R
5-AG
8-R
5-AG
8-R
11-G
8-R
5-AG
8-R
5-AN
8-R
5-AG
13-R
13-P
8-R
User's Manual U17854EJ9V0UD
Recommended Connection of Unused Pins
Input: Independently connect to EV
Output: Leave open.
Input: Independently connect to AV
Output: Leave open.
Input: Independently connect to EV
Output: Leave open.
<When on-chip debugging is enabled>
Pull this pin up (pulling it down is prohibited).
<When on-chip debugging is disabled>
Input: Independently connect to EV
Output: Leave open.
Input: Independently connect to EV
Output: Leave open.
Input: Independently connect to EV
Output: Set the port output latch to 0 and leave these pins open
via low-level output.
Input: Independently connect to EV
Output: Leave open.
or EV via a resistor.
DD SS
or AV via a resistor.
REF SS
or EV via a resistor.
DD SS
or EV via a resistor.
DD SS
or EV via a resistor.
DD SS
.
SS
or EV via a resistor.
DD SS