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GMS81C5032 Datasheet Preview

GMS81C5032 Datasheet

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

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GMS8X50XX
GMS81C50 Series
CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
WITH UR (Universal Remocon) & KEYBOARD
1. OVERVIEW
1.1 Description
The GMS81C50 Series is an advanced CMOS 8-bit microcontroller with 16K/24K/32K bytes of ROM. The device is one of GMS800
family. The MagnaChip Semicon GMS81C50 Series is a powerful microcontroller which provides a highly flexible and cost effective so-
lution to many UR & Keyboard applications. The GMS81C50 Series provides the following standard features: 16K/24K/32K bytes of
ROM, 448 bytes of RAM, 8-bit timer/counter, on-chip oscillator and clock circuitry. In addition, the GMS81C50 Series supports power
saving modes to reduce power consumption.
1.2 Features
Device Name
GMS81C5016
GMS81C5024
GMS81C5032
ROM Size
16K Bytes
24K Bytes
32K Bytes
• Instruction Cycle Time:
- 1us at 4MHz
• Programmable I/O pins
INPUT
OUTPUT
I/O
28 PIN
3
2
21
40 PIN
3
2
33
44 PIN
3
2
33
• Operating Voltage
- 2.2 ~ 4.0 V @ 4MHz
• Timer
- Timer / Counter ......... 16 Bit * 1 ch
......... 8 Bit * 2 ch
- Basic Interval Timer ...... 8 Bit * 1 ch
- Watch Dog Timer ............ 6-bit * 1ch
• 8 Interrupt sources
* Nested Interrupt control is available.
- External input: 2
RAM Size
448 Bytes
( included
256 bytes
stack memory )
Package
28 SOP
28 Skinny DIP
40 PDIP
44 PLCC
44 QFP
- Keyscan input
- Basic Interval Timer
- Watchdog timer
- Timer : 3
• Power On Reset
• Power Saving Operation Modes
- STOP
- SLEEP
• Low Voltage Detection Circuit
• Watch Dog Timer Auto Start (During 1 second
after Power on Reset)
Package
- 28SOP
- 40PDIP
- 44PLCC, QFP
- Avalilable Pb free package
- Pb free package:
The “P” Suffix will be added at the original part
number. For example,GMS81C5032(Normal pack-
age), GMS81C5032 P(Pb free package)
MAY. 2008 Ver 1.1
1




ABOV

GMS81C5032 Datasheet Preview

GMS81C5032 Datasheet

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

No Preview Available !

GMS8X50XX
1.3 Development Tools
The GMS81C50 Series is supported by a full-featured macro as-
sembler, an in-circuit emulator CHOICE-DrTM.
In Circuit Emulators CHOICE-Dr. (with EVA81C)
1.4 BLOCK DIAGRAM
LCD Simulator
Assembler
Under development
MagnaChip Macro Assembler
G8MC
Core
REMOUT
R17 / T0
R16 / T1
R15 / T2
R14 / EC
R12 / INT2
R11 / INT1
R00 ~ R07
R10 ~ R17
Watchdog
Timer
Timer
Interrupt
Key Scan
INT.
Generation
Block
TEST
RESET
XIN
XOUT
Clock Gen.
&
System
Control
VDD VSS
RAM
(448byte)
ROM
(32 Kbyte)
Prescaler
&
B.I.T
R0 R00 ~ R07
Port
R1
Port R10 ~ R17
R2 R20 ~ R27
Port
R3
Port R30 ~ R37
R4 R40
Port
2 MAY. 2008 Ver 1.1


Part Number GMS81C5032
Description CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
Maker ABOV
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