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PDF GMS81504 Data sheet ( Hoja de datos )
| Número de pieza | GMS81504 | |
| Descripción | CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |
| Fabricantes | Hyundai | |
| Logotipo |  |
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HYUNDAI MicroElectronics
GMS81504
GMS81504
CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
OVERVIEW
Description
The GMS81504 is a high-performance CMOS 8-bit microcontroller with 4K bytes of ROM. The device is one
of GMS800 family. The HYUNDAI GMS81504 is a powerful microcontroller which provides a highly flexible
and cost effective solution to many embedded control applications. The GMS81504 provides the following
standard features: 4K bytes of ROM, 128 bytes of RAM, 23 I/O lines(21 lines for 28SOP), 16-bit or 8-bit
timer/counter, a precision analog to digital converter, on-chip oscillator and clock circuitry. In addition, the
GMS81504 supports power saving modes to reduce power consumption. The Stop Mode saves the RAM contents
but freezes the oscillator disabling all other chip functions until the next hardware reset or external interrupt.
ROM size
4K bytes
4K bytes
(OTP)
RAM size
128 bytes
128 bytes
Package
30SDIP
28SOP
30SDIP
Device name
GMS81504 K
GMS81504 D
GMS81504T K
Features
4K On-chip Program Memory
128 Bytes of On-Chip Data RAM
Instruction execution time: 0.5us at 8MHz
2.7V to 5.5V Wide Operating Range
1~8 MHz Operating frequency
Basic Interval Timer
Two 8-Bit Timer/ Counters (can be used
as one 16-bit)
Two external interrupt ports
One Programmable Clock Out port
One Buzzer Driving port
23 Programmable I/O Lines
Seven Interrupt Sources
All LED Direct Drive Output Ports
4-Channel 8-Bit On-Chip Analog to Digital
Converter
Power Down Mode (STOP Mode)
Development Tools
The GMS800 family is supported by a full-featured
macro assembler, an in-circuit emulators CHOICE-
Jr.TM, socket adapters for OTP device.
The availability of OTP devices are especially useful
for customers expecting frequent code changes and
updates. The OTP devices, packaged in plastic pack-
ages permit the user to program them once. In addition
to the program memory, the configuration fuses must
be programmed.
In-Circuit
Emulators
OTP devices
Socket
Adapters for
OTP Devices
Assembler
CHOICE-Jr.TM
GMS81504T K (30 SDIP)
OA815A-30SD (30 SDIP)
HME Macro Assembler
1
1 page  
HYUNDAI MicroElectronics
GMS81504
PIN DESCRIPTIONS
VDD: Supply voltage.
VSS: Circuit Ground.
TEST: For test purposes only. Connect it to VDD.
RESET: Reset the MCU.
XIN: Input to the inverting oscillator amplifier and
input to the internal clock operating circuit.
XOUT: Output from the inverting oscillator amplifier.
R00~R07: R0 is an 8-bit, CMOS, bidirectional I/O
port. As an output port each pin can sink several LS
TTL inputs. R0 pins that have 1 or 0 written to their
Port Direction Mode Register, can be used as outputs
or inputs.
R40~R47: R4 is an 8-bit, CMOS, bidirectional I/O
port. As an output port each pin can sink several LS
TTL inputs. R4 pins that have 1 or 0 written to their
Port Direction Mode Register, can be used as outputs
or inputs.
In addition, Port R40, R41, R44, R46 serve the func-
tions of the various following special features.
Port Pin
R40
R41
R44/EC0
R46
Alternate Function
INT0 (External Interrupt 0)
INT1 (External Interrupt 1)
EC0 (External Count Input to
Timer/Counter 0)
T1O (Timer 1 Clock-Out)
R55, R56, R57: R5 is a 3-bit, CMOS, bidirectional I/O
port. As an output port each pin can sink several LS
TTL inputs. R5 pins that have 1 or 0 written to their
Port Direction Mode Register, can be used as outputs
or inputs. R56 and R57 differs in having internal
pull-ups.
Port R55 serves the functions of special features.
Port Pin
R55
Alternate Function
BUZ (Square wave output for Buzzer
driving)
R64~R67: R6 is an 4-bit, CMOS, bidirectional I/O
port. R64~R67 are bidirectional I/O port. As an output
port each pin can sink several LS TTL inputs.
R64~R67 pins that have 1 or 0 written to their Port
Direction Mode Register, can be used as outputs or
inputs.
R6 serves the analog to digital converter functions of
following.
Port Pin
R64
R65
R66
R67
Alternate Function
AN4 (ADC input 4)
AN5 (ADC input 5)
AN6 (ADC input 6)
AN7 (ADC input 7)
AVDD: Supply voltage to the ladder resistor of ADC
circuit. To enhance the resolution of analog to digital
converter, use independent power source as well as
possible, other than digital power source.
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5 Page 
HYUNDAI MicroElectronics
GMS81504
DC Characteristics ( 5V )
(VDD = 5.0V± 10%, VSS = 0V, TA = -20 ~ 80 °C, fXIN = 8 MHz)
Parameter
Pin Symbol Test Condition
Input High Voltage
XIN
RESET, R0, R4,
R5, R6
VIH1
VIH2
-
-
Specifications
Min. Typ.* Max.
0.9VDD
-
VDD
0.8VDD
-
VDD
Unit
V
V
Input Low Voltage
XIN
RESET, R0, R4,
R5, R6
Output High Voltage R0, R4, R5, R6
Output Low Voltage
Input Leakage
Current
R40, R41,
R44~R47, R55, R6
R0, R42, R43, R56,
R57
RESET, R0, R4,
R5, R6
Input Pull-up Current
Power Current
Hysteresis
RESET
R56, R57
Operating mode
STOP mode
RESET,
R40~R45
VIL1
VIL2
VOH
VOL1
VOL2
IIH
IIL
IP1
IP2
IDD
ISTOP
VT+
~VT-
-
-
VDD = 5V
IOH = -2mA
VDD = 5V
IOL = 5mA
VDD = 5V
IOL = 10mA
VI = VDD
VI = 0V
VDD = 5V
VDD = 5V
fXIN=8MHz
VDD = 5V
VDD = 5V
0 - 0.1VDD V
0 - 0.2VDD V
VDD-1.0 VDD-0.2
-
V
- 0.3 1.0 V
- 0.6 1.0 V
-5.0 - 5.0 uA
-5.0 - 5.0 uA
-180 -120 -30 uA
-90 -60 -15 uA
- 5 40 mA
- 2 30 uA
0.5 0.8 - V
* : Data in "Typ" column is at 5 V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.
A/D Converter Characteristics ( 5V )
(VDD = 5.0V± 10%, VAIN = 5.0V, VSS = 0V, TA = 25 °C)
Parameter
Symbol
Specifications
Min.
Typ.*
Max.
Unit
Analog Input Range
Overall Accuracy
Conversion Time
Analog power supply Input
Range
VAIN
ACC
TCONV
VAVDD
VSS
-
AVDD
V
- ±2.0 ±3.0 LSB
- - 40 uS
4.5 5.0 5.5
V
* : Data in "Typ" column is at 5 V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet GMS81504.PDF ] | |
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