GMS81004 Datasheet, PDF (15/101 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTERS

Chapter 1. Overview
1.5.2 R1 PORT
PIN
CIRCUIT TYPE
open drain
selection
Data Reg
R10
R11/INT1
R12/INT2
R13
R14/EC
Direction Reg
Data Bus
MUX
VDD
VDD
pull-up
option
@ RESET
VSS
PAD
Hi - Z
OR
High-Input
(with pullup)
T0 R11...INT1
Rd
T0 R12...INT2
T0 R14...EC
open drain
selection
from R15...T2
from R16...T1
from R17...T0
Data Reg
R15 / T2
R16 / T1
R17 / T0
Direction Reg
MUX
Data Bus
MUX
Rd
VDD
VDD
pull-up
option
PAD
Hi - Z
OR
High-Input
(with pullup)
VSS
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