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GMS34004 Schematic ( PDF Datasheet ) - Hynix Semiconductor

Teilenummer GMS34004
Beschreibung 4-BIT SINGLE CHIP MICROCOMPUTERS
Hersteller Hynix Semiconductor
Logo Hynix Semiconductor Logo 




Gesamt 30 Seiten
GMS34004 Datasheet, Funktion
APR. 1997
Rev. 2.0
4-BIT SINGLE CHIP MICROCOMPUTERS
GMS340 SERIES
USER`S MANUAL
• GMS34004
• GMS34012
• GMS34112
• GMS34120
• GMS34140
• GMS30000 EVA






GMS34004 Datasheet, Funktion
CHAPTER 1. Introduction
Chapter 1. Introduction
OUTLINE OF CHARACTERISTICS
The GMS340 series are remote contol transmitter which uses CMOS technology.
This enables transmission code outputs of different configurations, multiple custom
code output, and double push key output for easy fabrication.
The GMS340 sereis are suitable for remote control of TV, VCR, FANS, Air-
conditioners, Audio Equipments, Toys and Games etc.
Characteristics
¡Ü Program memory : 512 bytes for GMS34004/012
1024 bytes for GMS34112/120/140
¡Ü Data memory : 32 ¡¿ 4 bits
¡Ü 43 types of instruction set
¡Ü 3 levels of subroutine nesting
¡Ü 1 bit output port for a large current (REMOUT signal)
¡Ü Operating frequency : 300~500KHz or 2.4~4MHz for 300~500KHz operation
(Masked option)
¡Ü Instruction cycle : fOSC/6 (at 300~500KHz)
fOSC/48 (at 2.4~4MHz)
¡Ü CMOS process (Single 3.0V power supply)
¡Ü Stop mode (Through internal instruction)
¡Ü Released stop mode by key input (Masked option)
¡Ü Built in capacitor for ceramic oscillation circuit (Masked option)
¡Ü Built in a watch dog timer (WDT)
¡Ü Low operating voltage : 2.0~4.0V (at 300~500KHz)
2.2~4.0V (at 2.4~4MHz)
Series
GMS34004 GMS34012 GMS34112 GMS34120 GMS34140
Program memory
Data memory
I/O ports
512
32 ¡¿ 4
-
¡ç
¡ç
4
1024
¡ç
¡ç
¡ç
¡ç
¡ç
¡ç
¡ç
¡ç
Input ports 4 ¡ç ¡ç ¡ç ¡ç
Output ports
Package
6
D0 ~ D5
16DIP/SOP
6
D0 ~ D5
20DIP/SOP
6
D0 ~ D5
¡ç
8
D0 ~ D7
24DIP/SOP
10
D0 ~ D9
¡ç
Table 1-1 GMS340 series members
1- 1

6 Page









GMS34004 pdf, datenblatt
Chapter 1. Introduction
I/O circuit types and options
GMS340 series I/O port types
Pin
VDD
GND
RESET
K0~K3
D0~D9
R0~R3
REMOUT
OSC1
OSC2
I/O
-
-
Input
Input
Output
I/O
Output
Input
Output
Function
Connected to 2.0~4.0V power supply.
Connected to 0V power supply.
Used to input a manual reset. When the pin goes ¡ÈL¡È, the
D-output ports and REMOUT-output port are initialized to
¡ÈL¡È, and ROM address is set to address 0 on page 0.
4-bit input port.
Released STOP mode built in pull-up resistor by each pin as
masked option.
(It is released by ¡ÈL¡È input at STOP)
Each can be set and reset independently. The output is in
the form of N-channel-open-drain.
4-bit I/O port. (Input mode is set only when each of them
output ¡ÈH¡È.)
In outputting, each can be set and reset independently(or at
once.)
The output is in the form of N-channel-open-drain.
Pull-up resistor and STOP release mode can be respectively
selected as masked option for each bit. (It is released by
¡ÈL¡È input at STOP.)
High current output port.
The output is in the form of C-MOS.
The state of large current on is ¡ÈH¡È.
Oscillator input. Input to the oscillator circuit and connection
point for ceramic resonator.
Internal capacitors available as masked option.
A feedback resistor is connected between this pin and OSC2
Connect a ceramic resonator between this pin and OSC1.
1- 7

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