UPD70F3040 Datasheet, PDF (14/44 Pages) NEC – V850/SV1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD70F3040, 70F3040Y
1.3 Pin I/O Circuits, I/O Buffer Supply, and Recommended Connection of Unused Pins
Table 1-1 shows the input/output circuit type of each pin and the recommended connection of unused pins.
For the input/output configuration of each type, refer to Figure 1-1.
Table 1-1. Types of Pin I/O Circuit and Recommended Connection of Unused Pins (1/2)
Pin
Alternate Function
P00
P01 to P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P20
P21
P22
P23
P24
P25
P26, P27
P30, P31
P32, P33
P34, P35
P36
P37
P40 to P47
P50 to P57
P60 to P65
P70 to P77
P80 to P87
P90
P91
P92
P93
P94
P95
P96
P100 to P107
P110 to P113
P120
NMI
INTP0 to INTP3
INTP4/ADTRG
INTP5/RTPTRG0
INTP6
SI0/SDA0
SO0
SCK0/SCL0
SI1/RXD0
SO1/TXD0
SCK1/ASCK0
SI2/SDA1
SO2
SCK2/SCL1
SI3/RXD1
SO3/TXD1
SCK3/ASCK1
TI2/TO2, TI3/TO3
TI000, TI001
TI010, TI011
TO0, TO1
TI4/TO4
TI5/TO5
AD0 to AD7
AD8 to AD15
A16 to A21
ANI0 to ANI7
ANI8 to ANI15
LBEN/WRL
UBEN
R/W/WRH
DSTB/RD
ASTB
HLDAK
HLDRQ
RTP00 to RTP07
–
SI4
I/O Circuit
Type
5-W
I/O Buffer
Power Supply
Recommended Connection Method
VDD
Input: Independently connect to VDD or VSS
via a resistor
Output: Leave open
10-F
10-E
10-F
5-W
10-E
10-F
10-F
10-E
10-F
5-W
10-E
10-F
5-W
5-W
5-A
5-W
5
5
5
9
9
5
VDD
VDD
VDD
BVDD
BVDD
BVDD
AVDD
AVDD
BVDD
Input:
Output:
Independently connect to BVDD or BVSS
via a resistor
Leave open
Connect to AVSS
Input:
Output:
Independently connect to BVDD or BVSS
via a resistor
Leave open
10-E
VDD
5
VDD
5-K
VDD
Input:
Output:
Independently connect to VDD or VSS
via a resistor
Leave open
14
Preliminary Data Sheet U14622EJ1V0DS00