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

GMS81504
R42, R43, R45
DATA BUS
DATA REG.
DATA BUS
DIRECTION REG.
DATA BUS
MUX
Rd.
R56, R57
DATA BUS
DATA BUS
DATA REG.
DIRECTION REG.
DATA BUS
MUX
Rd.
R64/AN4, R65/AN5, R66/AN6, R67/AN7
DATA BUS
DATA BUS
DATA BUS
TO A/D Converter
DATA REG.
DIRECTION REG.
MUX
Rd.
Ch. Select
HYUNDAI MicroElectronics
VDD
PROTECT DIODE
PROTECT DIODE
VSS
PULL-UP RESISTOR
INPUT MODE: PULL-UP RESISTOR IS ACTIVATED.
OUTPUT MODE: PULL-UP RESISTOR IS DE-ACTIVATED.
0: Output
Rd.
1: Reset, Input, AD ch. select
8