Pin I/O Circuit Types, I/O Buffer Power Supplies And Connection Of Unused Pins - NEC V850/SB1 User Manual

2.4 Pin I/O Circuit Types, I/O Buffer Power Supplies and Connection of Unused Pins

Pin Alternate Function
P00 NMI
P01 to P04 INTP0 to INTP3
P05 INTP4/ADTRG
P06 INTP5/RTPTRG
P07 INTP6
P10 SI0/SDA0
P11 SO0
P12 SCK0/SCL0
P13 SI1/RXD0
P14 SO1/TXD0
P15 SCK1/ASCK0
P20 SI2/SDA1
P21 SO2
P22 SCK2/SCL1
P23 SI3/RXD1
P24 SO3/TXD1
P25 SCK3/ASCK1
P26, P27 TI2/TO2, TI3/TO3
P30, P31 TI00, TI01
P32 TI10/SI4
P33 TI11/SO4
P34 TO0/A13/SCK4
P35 TO1/A14
P36 TI4/TO4/A15
P37 TI5/TO5
P40 to P47 AD0 to AD7
P50 to P57 AD8 to AD15
P60 to P65 A16 to A21
P70 to P77 ANI0 to ANI7
P80 to P83 ANI8 to ANI11
92
CHAPTER 2 PIN FUNCTIONS
I/O I/O Circuit Type
Buffer
Power
Supply
EV 8-A Input:
DD
Output: Leave open
EV 10-A
DD
26
10-A
8-A
26
10-A
EV 10-A
DD
26
10-A
8-A
26
10-A
8-A
EV 8-A
DD
10-A
5-A
8-A
BV 5 Input:
DD
Output: Leave open
AV 9 Independently connect to AV
DD
User's Manual U13850EJ6V0UD
Recommended Connection Method
Independently connect to EV
DD
Independently connect to BV
DD
or AV
DD SS
(1/2)
or EV via a resistor
SS
or BV via a resistor
SS
via a resistor