CHAPTER 2 PIN FUNCTIONS
59
User’s Manual U14492EJ3V0UD
2.4
Types of Pin I/O Circuit and Connection of Unused Pins
Connection of a 1 to 10 k
Ω
resistor is recommended when connecting to V
DD5
, V
SS5
, CV
DD
, CV
SS
, or AV
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 to P07/INTP6
2
Connect directly to V
SS5
.
P10/TIUD10/TO10
P11/TCUD10/INTP100
P12/TCLR10/INTP101
P13/TIUD11/TO11
P14/TCUD11/INTP110
P15/TCLR11/INTP111
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
5-AC
P33/TXD1
5
P34/ASCK1
P35/RXD2
5-AC
P36/TXD2
5
P37/ASCK2
P40/SI0
5-AC
P41/SO0
5
P42/SCK0
P43/SI1
5-AC
P44/SO1
5
P45/SCK1
P46/CRXD
5-AC
P47/CTXD
PCM0/WAIT
PCM1/CLKOUT
PCM2/HLDAK
5
Input status: Independently connect to V
DD5
or V
SS5
via a resistor.
Output status: Leave open.
Содержание V850E/IA1 mPD703116
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