1. Overview
1. Features
2. Block Diagram
3. Summary Of Peripheral Function Register
4. Pin Assignment
5. Pin Description
6. Terminal Types
2. CPU
1. Registers
2. Memory Space
3. Peripheral Function
1. PORT
2. Clock Generation Circuit
3. Timer
4. A/D Comparator
5. Serial I/O
6. PWM
7. Interrupt Interval Measurement Circuit
8. On Screen Display
4. Control Function
1. Interrupts
2. Standby Function
3. Reset Function
5. Support Tool
1. Emulator
2. Debugger
3. Assembler
4. Linker
5. Font Editor
6. OTP Chip
6. Appendix
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Electrical Data
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Package Outline
GMS 84512 / 84524
1 - 1
An 8-bit microcomputer using the G8MC Core is a single-chip microcomputer including several peripheral
functions such as Timer, I/O Comparator, Serial I/O, PWM, Watch-dog Timer and On-Screen Display.
1.1 FEATURES
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ROM 12,288 Bytes ( GMS84512 ) 24,576Bytes ( GMS84524 )
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RAM 256 Bytes
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Minimum instruction execution time 1 us ( @ Xin = 4 MHz )
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I/O PORT 42 ( INPUT: 3, OUTPUT: 10, I/O: 29 )
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Serial I/O 8-bit X 1 ch. ( 1MHz, 500KHz, 250 KHz, Ext. clock )
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A/D Comparator 5-bit
X
4 ch. ( max. 1 LSB )
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Pulse Width Modulation 14-bit
X
1 ch.
7-bit
X
8 ch.
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Timer
- Timer/Counter
8 bit
X
4 ch. ( 16-bit
X
2 ch is Acceptable)
- Basic Interval Timer
8 bit
X
1 ch.
- Watch Dog Timer
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Interrupt Interval estimation circuit for Remocon signal receiving
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Interrupt Sources 14 sources
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Pulse ( T2048 ) Output Function Period : 2,048 us, Duty: 50 %
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On Screen Display
- Kinds of character 128 kinds (include 2 test characters)
- Construction of character 14 dots
X
18 dots
- Size of character 4
X
4 kinds
- Number of display character 22 Characters
X
3 lines ( Max. 12 lines)
- Display colors 8 kinds
- Color Edge, Smoothing Function
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Power Save Mode STOP mode
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Operating Voltage 4.5
~
5.5 V
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Package 52 SDIP
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OTP chip GMS84512T/84524T
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