參數(shù)資料
    型號： GMS81C7208
    廠商： Electronic Theatre Controls, Inc.
    英文描述： NET CENTER 48" W
    中文描述： 8位單晶片微控制器
    文件頁數(shù)： 3/93頁
    文件大小： 853K
    代理商： GMS81C7208
    GMS81C1404/GMS81C1408
    June. 2001 Ver 1.2
    1
    GMS81C1404 / GMS81C1408
    CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
    1. OVERVIEW
    1.1 Description
    The GMS81C1404 and GMS81C1408 are an advanced CMOS 8-bit microcontroller with 4K/8K bytes of ROM. The Hynix
    semiconductor’s GMS81C1404 and GMS81C1408 are a powerful microcontroller which provides a highly flexible and cost
    effective solution to many small applications such as controller for battery charger. The GMS81C1404 and GMS81C1408
    provide the following standard features: 4K/8K bytes of ROM, 192 bytes of RAM, 8-bit timer/counter, 8-bit A/D converter,
    10-bit high speed PWM output, programmable buzzer driving port, 8-bit serial communication port, on-chip oscillator and
    clock circuitry. In addition, the GMS81C1404 and GMS81C1408 supports power saving modes to reduce power consump-
    tion.
    1.2 Features
    4K/8K Bytes On-chip Program Memory
    192 Bytes of On-chip Data RAM
    (Included stack memory)
    Instruction Cycle Time:
    - 250nS at 8MHz
    23 Programmable I/O pins
    (LED direct driving can be source and sink)
    2.2V to 5.5V Wide Operating Range
    One 8-bit A/D Converter
    One 8-bit Basic Interval Timer
    Four 8-bit Timer / Counters
    Two 10-bit High Speed PWM Outputs
    Watchdog timer (can be operate with internal
    RC-oscillation)
    One 8-bit Serial Peripheral Interface
    Twelve Interrupt sources
    - External input: 4
    - A/D Conversion: 1
    - Serial Peripheral Interface: 1
    - Timer: 6
    One Programmable Buzzer Driving port
    - 500Hz ~ 130kHz
    Oscillator Type
    - Crystal
    - Ceramic Resonator
    Noise Immunity Circuit
    - Power Fail Processor
    Power Down Mode
    - STOP mode
    - Wake-up Timer mode
    Device name
    ROM Size
    EPROM Size
    RAM Size
    Operatind
    Voltage
    Package
    GMS81C1404
    4K bytes
    -
    192bytes
    2.2 ~ 5.5V
    28 SKDIP or SOP
    GMS81C1408
    8K bytes
    -
    192bytes
    2.2 ~ 5.5V
    28 SKDIP or SOP
    GMS87C1404
    -
    4K bytes
    192bytes
    2.5 ~ 5.5V
    28 SKDIP or SOP
    GMS87C1408
    -
    8K bytes
    192bytes
    2.5 ~ 5.5V
    28 SKDIP or SOP
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