GMS81C2020 Datasheet, PDF (92/92 Pages) Hynix Semiconductor – CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

GMS81C2020/GMS81C2120
Hyundai Micro Electro nics
GMS81C2 Series [GMS81C2120/12] Option List
Package
42SDIP
44MQFP
Date of Order
40PDIP
RA / Vdisp
Customer
Department
Name
RA Without pull-down resistance
ROM Code Name
Vdisp
*Note : In the I/O options list, you must select Vdisp
even if only one pin is selected with pull-down resistance.
Check sum
ROM Size
1999 / 2000. . .
20KBytes
12KBytes
ROM Code Option List : 703FH
Bit7
Bit6
Bit5
-
-
PFD1
0101 01
* Refer to Device Configuration Area
Bit4
PFD0
01
Bit3
-
01
Bit2
-
01
Bit1
LOW
VOLTAGE
01
Bit0
RCOSC
01
I/O Option [VFD Driving Port]
Bit I/O I/O Option
On Off
R00/INT0 I/O
R01/INT1 I/O
R02/EC0 I/O
R03/BUZO I/O
R04 I/O
R05 I/O
R06 I/O
R07 I/O
* On : with pull-down resistance
* Off : without pull-down resistance
I/O Option [Normal Port]
Bit I/O I/O Option
On Off
R53/SCLK I/O
R54/SIN I/O
R55/SOUT I/O
R56/PWM1OI/O
R57 I/O
* On : with pull-up
* Off : without pull-up
Bit I/O I/O Option
On Off
R20 I/O
R21 I/O
R22 I/O
R23 I/O
R24 I/O
R25 I/O
R26 I/O
R27 I/O
Bit I/O I/O Option
On Off
R60/AN0 I/O
R61/AN1 I/O
R62/AN2 I/O
R63/AN3 I/O
R64/AN4 I/O
R65/AN5 I/O
R66/AN6 I/O
R67/AN7 I/O
Bit I/O I/O Option
On Off
R30 I/O
R31 I/O
R32 I/O
R33 I/O
R34 I/O
92
preliminary
Nov. 1999 Ver 0.0