GMS81004 Datasheet, PDF (6/101 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTERS

Chapter 1. Overview
CHAPTER 1. OVERVIEW
The GMS810 Series is the high speed and Low voltage operating 8-bit single chip
microcomputers. This MCU contains G8MC core, ROM, RAM, input/output ports and five
multi-function timer/counters.
1.1 FEATURES & PIN ASSIGNMENTS (TOP VIEW)
¡á ROM size . . . . . . . . . . . . . 4,096 Bytes ( GMS81004 ) , 8,192 Bytes (GMS81008 )
. . . . . . . . . . . . . 16,384 Bytes ( GMS81016 ) ,24,576 Bytes(GMS81024 )
. . . . . . . . . . . . . 32,768 Bytes ( GMS81032 )
¡á RAM size . . . . . . . . . . . . . 448 Bytes
¡á Instruction Execution Time . . 1us @Xin=4MHz
¡á Timer
¡Ü Timer/Counter . . . . . . 8Bit * 2ch , 16Bit * 1ch
¡Ü Basic Interval Time . . . 8Bit * 1ch
¡Ü Watch Dog Timer . . . . 6Bit * 1ch
¡á Power On Reset
¡á Power Saving Operation Modes
¡Ü STOP
¡á 8 Interrupt Sources
¡Ü Nested Interrupt Control is Available
¡á Operating Voltage
¡Ü 2.0~4.0V @2MHz
¡Ü 2.2~4.0V @4MHz
¡á Low Voltage Detection Circuit
¡á Watch dog Timer Auto Start ( During 1Second after Power on Reset )
¡á Package
¡Ü 20SOP/20PDIP/24SOP/24Skinny DIP/28SOP/28Skinny DIP
¡Ü 44PLCC
¡á I/O Port
input
output
I/O
20pin
3
2
13
24pin
3
2
17
28pin
3
2
21
44pin
3
2
24
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