GMS81004 Datasheet, PDF (14/101 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTERS

1.5 Port Structure
1.5.1 R0 PORT
PIN
CIRCUIT TYPE
R00
R01
R02
R03
R04
R05
R06
R07
Data Reg
Direction Reg
Data Bus
¡è
Rd
Data Bus
¡è
Rd
MUX
Chapter 1. Overview
VDD
VDD
pull-up
option
PAD
VSS
@ RESET
Hi - Z
OR
High-Input
(with pullup)
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