GMS81504 Datasheet, PDF (7/54 Pages) List of Unclassifed Manufacturers – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

HYUNDAI MicroElectronics
PORT STRUCTURES
R00~R07, R47
VDD
DATA REG.
DATA BUS
DATA BUS
DIRECTION REG.
VSS
DATA BUS
MUX
Rd.
R40/INT0, R41/INT1, R44/EC0
DATA BUS
DATA BUS
DATA REG.
PMR4
DIRECTION REG.
DATA BUS
MUX
Rd.
ALTERNATE FUNCTION
EX) INT0
R46/T1O, R55/BUZ
SELECTION (PMR)
ALTERNATE FUNCTION
EX) T1O
DATA BUS
DATA REG.
MUX
DATA BUS
DIRECTION REG.
DATA BUS
MUX
Rd.
GMS81504
PROTECT DIODE
PROTECT DIODE
7