UPD784044 Datasheet, PDF (13/90 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

µPD784044(A), 784046(A)
5.1 Port Pins (2/2)
Pin Name
P70-P77
P80-P87
P90
P91
P92
P93
P94
I/O
Input
Shared by:
ANI0-ANI7
Input ANI8-ANI15
I/O RD
LWR
HWR
ASTB
WAIT
Function
Port 7 (P7):
• 8-bit input port
Port 8 (P8):
• 8-bit input port
Port 9 (P9):
• 5-bit I/O port
• Can be set in input/output mode bit-wise.
• Pins in input mode can all be connected to pull-up resistors at once
via software.
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