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
¡ á
Instruction Execution Time . . 1us @Xin=4MHz
Timer
¡ Ü Timer/Counter . . . . . . 8Bit * 2ch , 16Bit * 1ch
¡ Ü Basic Interval Time . . . 8Bit * 1ch
¡ Ü Watch Dog Timer . . . . 6Bit * 1ch
Power On Reset
Power Saving Operation Modes
¡ Ü STOP
¡ á
¡ á
¡ á
¡ á
8 Interrupt Sources
¡ Ü Nested Interrupt Control is Available
Operating Voltage
¡ Ü 2.0~4.0V @2MHz
¡ Ü 2.2~4.0V @4MHz
¡ á
¡ á
¡ á
Low Voltage Detection Circuit
Watch dog Timer Auto Start ( During 1Second after Power on Reset )
Package
¡ Ü 20SOP/20PDIP/24SOP/24Skinny DIP/28SOP/28Skinny DIP
¡ Ü 44PLCC
¡ á
I/O Port
20pin
24pin
28pin
44pin
input
output
I/O
3
2
13
3
2
17
3
2
21
3
2
24
1 - 1