UPD78F4046GC-3B9 NEC, UPD78F4046GC-3B9 Datasheet - Page 13

• Manufacturer Part Number: UPD78F4046GC-3B9
• Description: 16-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

5.2 Non-Port Pins (2/2)
LWR
HWR
ASTB
WAIT
BWD
MODE
CLKOUT
X1
X2
RESET
ANI0 to ANI7
ANI8 to ANI15
AV
AV
AV
V
V
V
DD
PP
SS
Pin Name
REF
DD
SS
Output
Output
Output
Input
Input
Input
Input
I/O
–
–
–
Alternate Function
P91
P92
P93
P94
V
P70 to P77
P80 to P87
MODE
PP
–
–
–
–
–
–
–
–
–
–
Data Sheet U11447EJ2V0DS00
• When external 16-bit bus is specified
Write strobe to external memory located at higher address when external
16-bit bus is specified
from AD0 through AD15 pins to access external memory
Bus width setting
Connect directly to V
(for specification of IC test mode).
Clock output
(clock can be input to X1).
Chip reset
Analog voltage input for A/D converter
Reference voltage application for A/D converter
Positive power supply for A/D converter
GND for A/D converter
Positive power supply
Applying high-voltage for program write/verify.
GND
• When external 8-bit bus is specified
Timing signal output that externally latches address information output
Wait insertion
Connecting crystal resonator for system clock oscillation
Flash memory programming mode setting
Write strobe to external memory
Write strobe to external memory located at lower address
SS
in normal operation mode
Function
PD78F4046
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