Prom Programming Mode Pins ( Μ Pd78P014 Only) - NEC 78014Y Series User Manual

(2) Non-Port Pins (2/2)
Pin Name
ANI0 to ANI7 Input
AV Input
REF
AV —
DD
AV —
SS
RESET Input
X1 Input
X2 —
XT1 Input
XT2 —
V —
DD
V —
PP
V —
SS
IC —
3.1.2 PROM programming mode pins ( µ PD78P014 only)
Pin Name
RESET Input
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V Input
PP
A0 to A14 Input
D0 to D7 Input/
output
CE Input
OE Input
V —
DD
V —
SS
66
CHAPTER 3 PIN FUNCTION ( µ PD78014 Subseries)
Input/
Output
A/D converter analog input.
A/D converter reference voltage input.
A/D converter analog power supply. Connect to V
A/D converter ground potential. Connect to V
System reset input
Crystal connection for main system clock oscillation
Crystal connection for subsystem clock oscillation
Positive power supply
High-voltage application for program write/verify. Connect directly to V
in normal operating mode.
Ground potential
Internally connected. Connect directly to V
Input/
Output
PROM programming mode setting.
When +5 V or +12.5 V is applied to the V
pin, the PROM programming mode is set.
High-voltage application for PROM programming mode setting and program write/verify
Address bus
Data bus
PROM enable input/program pulse input
Read strobe input to PROM
Positive power supply
Ground potential
Function
.
DD
.
SS
.
SS
Function
pin or a low-level voltage is applied to the RESET
PP
After Alternate
Reset Function
Input P10 to P17
— —
— —
— —
— —
— —
— —
Input P04
— —
— —
— —
SS
— —
— —