UPD70F3015B Datasheet, PDF (15/48 Pages) NEC – 32-BIT SINGLE-CHIP MICROCONTROLLER

µPD70F3015B, 70F3015BY, 70F3017A, 70F3017AY
Table 1-1. Types of Pin I/O Circuits (2/2)
Pin
P90
P91
P92
P93
P94
P95
P96
P100 to
P107
P110 to
P113
P114
P120
Alternate Function
LBEN/WRL
UBEN
R/W/WRH
DSTB/RD
ASTB
HLDAK
HLDRQ
RTP0/A5 to RTP7/A12
A1 to A4
XT1
WAIT
AVREF
−
CLKOUT
−
RESET
−
X2
−
XT2
−
VPP
–
I/O Circuit Type
5
Recommended Connection of Unused Pins
Input: Independently connect to BVDD or BVSS via a resistor
Output: Leave open
26
5
16-A
5
−
4
2
−
16-A
–
Input: Independently connect to VDD or VSS via a resistor
Output: Leave open
Connect to VSS
Input: Independently connect to BVDD or BVSS via a resistor
Output: Leave open
Connect to AVSS
Leave open
−
Leave open (when external clock is input to X1 pin)
Leave open
Connect to VSS
Data Sheet U14527EJ3V0DS
15