Hyundai GMS90X51C, GMS90X52C, GMS90X54C user manual Mask

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GMS90X5XC Series

HYUNDAI MicroElectronics

Device Naming Structure

GMS90X5XC - GCXXX XX XX

MicroElectronics MCU	Mask ROM version
HYUNDAI

Frequency

Blank: 12MHz

16:16MHz

24:24MHz

40:40MHz

Package Type

Blank: 40PDIP

PL: 44PLCC

Q:44MQFP

ROM Code serial No.

ROM size

1:4k bytes

2:8k bytes

4:16k bytes

Operating Voltage

C:4.25~5.5V

L:2.7~3.6V

GMS90X5XC Series Selection Guide

	Operating	ROM size (bytes)	RAM size	Device Name	Operating
	Operating		RAM size		Operating
	Voltage (V)	MASK	(bytes)		Frequency (MHz)
	Voltage (V)		(bytes)		Frequency (MHz)


	4.25~5.5	4K	128	GMS90C51C	12/24/40
		8K	256	GMS90C52C	12/24/40
		16K	256	GMS90C54C	12/24/40

	2.7~3.6	4K	128	GMS90L51C	12/16
		8K	256	GMS90L52C	12/16
		16K	256	GMS90L54C	12/16

Jan. 2001 Ver 1.0

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Contents GMS90X51C GMS90X52C GMS90X54C Page Mask GMS90C51C Block DiagramGMS90C52C/54C GMS90L52C/54CLow voltage versions Plcc Pin Configuration top view PIN ConfigurationEA / VPP ALE / Prog Pdip Pin Configuration top viewMqfp Pin Configuration top view Logic Symbol XTAL2 PIN Definitions and FunctionsPin Number Symbol FunctionProgram Store Enable ResetAddress Latch Enable Circuit ground potentialNo connection Functional Description Block Diagram of the GMS90X5XC seriesSpecial Function Register PSW CPUSpecial Function Registers E0H C0HD0H FFH D8HD0H Contents of SFRs, SFRs in Numeric Order Address RegisterE0H F0HGF1 GF0 PDE Idle C8H T2CON TF2 EXF2 Rclk Tclk EXEN2 TR2 CP/RL2 Clock Generation Diagram X2 ModeMode Swithcing Waveforms Input Clock Timer / Counter 0Timer/Counter 0 and 1 Operating Modes Description TmodT2EX TimerTimer/Counter 2 Operating Modes P1.1 Remarks Input ClockSM0 SM1 Serial Interface UsartUsart Operating Modes Baudrate DescriptionInterrupt Request Sources Interrupt SystemInterrupt Priority-Within-Level Interrupt Source Power Saving Modes Absolute Maximum Ratings Electrical CharacteristicsDC Characteristics for GMS90C51C/52C/54C Parameter Symbol Limit Values Unit Test Conditions MinPower supply current Hyundai MicroElectronics VCC= 3.3V + 0.3V, -0.6V VSS=0V TA= 0C to 70C DC Characteristics for GMS90L51C/52C/54CExplanation of the AC Symbols AC Characteristics for GMS90X5XC series 12MHz versionExternal Program Memory Characteristics GMS90X5XC Series Advance Information 12MHz External Clock Drive AC Characteristics for GMS90X5XC series 16MHz version Advance Information 16MHz External Clock Drive AC Characteristics for GMS90X5XC series 24MHz version Advance Information 24MHz External Clock Drive AC Characteristics for GMS90X5XC series 33MHz version Advance Information 33MHz External Clock Drive AC Characteristics for GMS90X5XC series 40MHz version Advance Information 40MHz External Clock Drive External Program Memory Read Cycle External Data Memory Read Cycle AC Testing Input, Output Waveforms Oscillator Circuit 44PLCC Plastic Package P-LCC-44Plastic Package P-DIP-40 Plastic Package P-MPQF-44 GMS90X5XC Series ROM Protection GMS90X5XC-GC