CHAPTER 2 PIN FUNCTIONS
43
User’s Manual U15195EJ5V0UD
2.4 Types of Pin I/O Circuits and Connection of Unused Pins
Connection of a 1 to 10 k
Ω
resistor is recommended when connecting to V
DD
, V
SS
, or CV
SS
via a resistor.
(1/2)
Pin
I/O Circuit Type
Recommended Connection
P00/NMI
P01/ESO0/INTP0
P02/ESO1/INTP1
P03/ADTRG0/INTP2
P04/ADTRG1/INTP3
P05/INTP4/TO3OFF
2
Connect directly to V
SS
.
P10/TIUD10/TO10
P11/TCUD10/INTP100
P12/TCLR10/INTP101
P20/TI2/INTP20
P21/TO21/INTP21 to P24/TO24/INTP24
P25/TCLR2/INTP25
P26/TI3/TCLR3/INTP30
P27/TO3/INTP31
P30/RXD0
5-AC
P31/TXD0 5
P32/RXD1/SI1 5-AC
P33/TXD1/SO1 5
P34/ASCK1/SCK1
P40/SI0
5-AC
P41/SO0 5
P42/SCK0 5-AC
PCM0/WAIT
PCM1/CLKOUT
PCT0/LWR
PCT1/UWR
PCT4/RD
PCT6/ASTB
PDH0/A16 to PDH5/A21
PDL0/AD0 to PDL15/AD15
5
Input: Independently connect to V
DD
or V
SS
via a resistor.
Output: Leave open.
ANI00 to ANI05
Connect to AV
SS0
.
ANI10 to ANI17
7
Connect to AV
SS1
.
TO000 to TO005, TO010 to TO015
4
Leave open.