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GMS81C2112 Datasheet(PDF) 7 Page - Hynix Semiconductor

No. de Pieza. GMS81C2112
Descripción  HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
Descarga  107 Pages
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Fabricante  HYNIX [Hynix Semiconductor]
Página de inicio  http://www.skhynix.com/ko/index.jsp
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GMS81C2112 Datasheet(HTML) 7 Page - Hynix Semiconductor

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GMS81C2112/GMS81C2120
JUNE. 2001 Ver 1.00
1
GMS81C2112/GMS81C2120
CMOS Single-Chip 8-Bit Microcontroller
with A/D Converter & VFD Driver
1. OVERVIEW
1.1 Description
The GMS81C2112 and GMS81C2120 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 GMS81C2112 and GMS81C2120 support power saving modes
to reduce power consumption.
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
• 38 I/O Lines
- 34 Programmable I/O pins
(Included 21 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)
• 8-Channel 8-bit On-Chip Analog to Digital Con-
verter
• Oscillator:
- Crystal
- Ceramic Resonator
- External R Oscillator
• Low Power Dissipation Modes
- STOP mode
- Wake-up Timer Mode
- Standby Mode
• Operating Voltage: 2.7V ~ 5.5V (at 4.5MHz)
• Operating Frequency: 1MHz ~ 4.5MHz
• Enhanced EMS Improvement
Power Fail Processor
(Noise Immunity Circuit)Enhanced EMS
Improvement
Power Fail Processor
(Noise Immunity Circuit)
Device name
ROM Size
RAM Size
OTP
Package
GMS81C2112
12K bytes
448 bytes
-
42SDIP, 44MQFP,
40PDIP
GMS81C2120
20K bytes
GMS87C2120


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