HYUNDAI MicroElectronics
Classification
No.
Symbol
I/O
Description
49
:
56
R00
:
R07
R0 Port
I/O
( Can be determined I/O by R0DD )
In MP mode, This port functions as 8-bit data bus for
the CPU. (D0~D7)
41
:
48
R10
:
R17
R1 Port
I/O
I/O
I/O
( Can be determined I/O by R1DD )
In MP mode, This functions as 8-bit lower address
output pins. (A0~A7)
33
:
40
R20
:
R27
R2 Port
( Can be determined I/O by R2DD )
In MP mode, This functions as 8-bit higher address
output pins.(A8~A15)
I/O Port
57
:
64
R30
:
R37
R3 Port
( Can be determined I/O by R3DD )
In MP mode, This port functions as 8-bit control bus
for the CPU.
28
:
21
20
:
R40
:
R47
R50
:
R4 Port
I/O
I/O
( Can be determined I/O by R4DD )
R5 Port
( Can be determined I/O by R5DD )
13
12
:
R57
R60
:
R6 Port
Input Only
I
9
8
:
R63
R64
:
I/O
R6 Port
( Can be determined I/O by R6DD )
5
R65
6
HYNIX [ HYNIX SEMICONDUCTOR ]
