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PDF GMS81C2012K Data sheet ( Hoja de datos )
| Número de pieza | GMS81C2012K | |
| Descripción | HYUNDAI MICRO ELECTRONICS 8-BIT SINGLE-CHIP MICROCONTROLLERS | |
| Fabricantes | Hynix Semiconductor | |
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MAR. 2000
Ver 1.00
HYUNDAI MICRO ELECTRONICS
8-BIT SINGLE-CHIP MICROCONTROLLERS
GMS81C2012
GMS81C2020
User’s Manual
+<81'$,
MicroElectronics
Semiconductor Group of Hyundai Electronics Industrial Co., Ltd.
1 page  
HYUNDAI MicroElectronics
GMS81C2012/GMS81C2020
GMS81C2012/GMS81C2020
1. OVERVIEW
CMOS Single-Chip 8-Bit Microcontroller
with A/D Converter & VFD Driver
1.1 Description
The GMS81C2012 and GMS81C2020 are advanced CMOS 8-bit microcontroller with 12K/20K bytes of ROM. These are a
powerful microcontroller which provides a highly flexible and cost effective solution to many VFD applications. These pro-
vide the following standard features: 12K/20K bytes of ROM, 448 bytes of RAM, 8-bit timer/counter, 8-bit A/D converter,
10-bit High Speed PWM Output, Programmable Buzzer Driving Port, 8-bit Basic Interval Timer, 7-bit Watch dog Timer,
Serial Peripheral Interface, on-chip oscillator and clock circuitry. They also come with high voltage I/O pins that can directly
drive a VFD (Vacuum Fluorescent Display). In addition, the GMS81C2012 and GMS81C2020 support power saving modes
to reduce power consumption.
Device name
GMS81C2012
GMS81C2020
ROM Size
12K bytes
20K bytes
RAM Size
448 bytes
OTP
-
GMS87C2020
Package
64SDIP, 64MQFP,
64LQFP
1.2 Features
• 20K/12K bytes ROM(EPROM)
• 448 Bytes of On-Chip Data RAM
(Including STACK Area)
• Minimum Instruction Execution time:
- 1uS at 4MHz (2cycle NOP Instruction)
• One 8-bit Basic Interval Timer
• One 7-bit Watch Dog Timer
• Two 8-bit Timer/Counters
• 10-bit High Speed PWM Output
• One 8-bit Serial Peripheral Interface
• Two External Interrupt Ports
• One Programmable 6-bit Buzzer Driving Port
• 60 I/O Lines
- 56 Programmable I/O pins
(Included 30 high-voltage pins Max. 40V)
- Three Input Only pins: 1 high-voltage pin
- One Output Only pin
• Eight Interrupt Sources
- Two External Sources (INT0, INT1)
- Two Timer/Counter Sources (Timer0, Timer1)
- Four Functional Sources (SPI,ADC,WDT,BIT)
• 12-Channel 8-bit On-Chip Analog to Digital
Converter
• Oscillator:
- Crystal
- Ceramic Resonator
- External R Oscillator
• Low Power Dissipation Modes
- STOP mode
- Wake-up Timer Mode
- Standby Mode
- Watch Mode
- Sub-active Mode
• Operating Voltage: 2.7V ~ 5.5V (at 4.5MHz)
• Operating Frequency: 1MHz ~ 4.5MHz
• Sub-clock: 32.768KHz Crystal Oscillator
• Enhanced EMS Improvement
Power Fail Processor
(Noise Immunity Circuit)
MAR. 2000 Ver 1.00
5
5 Page 
HYUNDAI MicroElectronics
64LQFP
12.00 BSC
10.00 BSC
GMS81C2012/GMS81C2020
UNIT: MM
SEE DETAIL "A"
1.60 max.
0.38
0.22
0.50 BSC
0-7°
0.75
0.45
1.00
REF
DETAIL "A"
MAR. 2000 Ver 1.00
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet GMS81C2012K.PDF ] | |
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| GMS81C2012 | CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver | Hynix Semiconductor |
| GMS81C2012K | HYUNDAI MICRO ELECTRONICS 8-BIT SINGLE-CHIP MICROCONTROLLERS | Hynix Semiconductor |
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