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Hyundai
GMS90X54C, GMS90X51C, GMS90X52C user manual GMS90X5XC Series
Models:
GMS90X51C
GMS90X54C
GMS90X52C
1
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Electrical Characteristics
Block Diagram
PIN Configuration
Reset
Timer / Counter 0
Logic Symbol
Power Saving Modes
Address Latch Enable
X2 Mode
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HYUNDAI MicroElectronics
GMS90X5XC Series
46
Jan. 2001 Ver 1.0
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Contents
GMS90X51C GMS90X52C GMS90X54C
Page
Mask
Block Diagram
GMS90C51C
GMS90C52C/54C GMS90L52C/54CLow voltage versions
PIN Configuration
Plcc Pin Configuration top view
Pdip Pin Configuration top view
EA / VPP ALE / Prog
Mqfp Pin Configuration top view
Logic Symbol
PIN Definitions and Functions
XTAL2
Reset
Symbol Function
Program Store Enable
Pin Number
No connection
Address Latch Enable
Circuit ground potential
Block Diagram of the GMS90X5XC series
Functional Description
CPU
Special Function Register PSW
Special Function Registers
FFH D8H
C0H
D0H
E0H
F0H
Contents of SFRs, SFRs in Numeric Order Address Register
E0H
D0H
GF1 GF0 PDE Idle
C8H T2CON TF2 EXF2 Rclk Tclk EXEN2 TR2 CP/RL2
X2 Mode
Clock Generation Diagram
Mode Swithcing Waveforms
Tmod
Timer / Counter 0
Timer/Counter 0 and 1 Operating Modes Description
Input Clock
P1.1 Remarks Input Clock
Timer
Timer/Counter 2 Operating Modes
T2EX
Baudrate Description
Serial Interface Usart
Usart Operating Modes
SM0 SM1
Interrupt System
Interrupt Request Sources
Interrupt Priority-Within-Level Interrupt Source
Power Saving Modes
Electrical Characteristics
Absolute Maximum Ratings
Power supply current
DC Characteristics for GMS90C51C/52C/54C
Parameter Symbol Limit Values Unit Test Conditions Min
Hyundai MicroElectronics
DC Characteristics for GMS90L51C/52C/54C
VCC= 3.3V + 0.3V, -0.6V VSS=0V TA= 0C to 70C
External Program Memory Characteristics
Explanation of the AC Symbols
AC Characteristics for GMS90X5XC series 12MHz version
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
Plastic Package P-LCC-44
44PLCC
Plastic Package P-DIP-40
Plastic Package P-MPQF-44
GMS90X5XC Series
GMS90X5XC-GC
ROM Protection
