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Номер в каталоге(s) : XR-2266
Exar Corporation
Exar Corporation
Компоненты Описание : Monolithic Servo Controller

Monolithic Servo Controller

Номер в каталоге(s) : BU38603
ROHM Semiconductor
ROHM Semiconductor
Компоненты Описание : System control Servo

The BU38603, BU38703 and BU38803 are Servo controller ICs for VCRs. They contain a high-speed, 8-bit CPU and perform the processing required for the drum, capstan, FV and PV completely in software, allowing a large reduction in the number of external components required. They also contain high-performance linear amplifiers, eliminating the need for interface ICs. Specialized hardware is included for items that require high-speed processing, to allow efficient utilization of the CPU.

Features
1) CPU
    499 commands (69 types)
    Memory-mapped I / O
    Minimum command execution time: 250ns (8MHz)
2)ROM capacity
    BU38603: 16384 × 8 bit
    BU38703: 24576 × 8 bit
    BU38803: 32768 × 8 bit
3) RAM capacity: 512 × 8bit
4) Interrupt
    Pattern generator: 1
    Watch-dog timer: 1
    External interrupts: 1
    FG interrupts: 5
    Internal interrupts: 7
    Two timers, serial transmission, interrupt, VHSW, CTL interval timer (fixed) / VISS
    * Multi-layer interrupts possible.
5) Free-running counter: 19 bit
6) PWM output: 12 bit × 2
7) Pattern generator
    17 bits from FRC MSB used.
    Output
        Internal: 3 bit
        External (PO): 5 bit
        External (PIO): 6 bit
8) Programmable pre-scaler
    CFG: 7 bit
    CTL: 6 bit
9) Head amplifier / chroma rotary
    Generated from pattern generator output.
10) Built-in AGC. Five-bits used to switch the gain control registers for the CTL amplifier.
11) CTL counter: 1 / 30 or 1 / 25
12) Data shift PLL calculation: 24 bit
13) Timer: 8 bit × 2
14) Synchronous serial input/output: 8 bit × 1
15) VH PULSE
    V separeted from composite synchronous snal.
    Pseudo V generated from pattern generator output.
    Superimposed pseudo H synchronized with the composite synchronous signal.
16) VISS / VASS
    VASS 0 / 1 discrimination
    VISS discrimination threshold: 3
    Aspect discrimination.
    D / A CTL switching.
17) Standard I / O
    Parallel I / O (PIO): 32 bit
    Parallel output (PO): 6 bit
18) A / D converter: 8 bits × 8 channels
    Can be masked-programmed to be parallel inputs.
19) Watch-dog timer
    Setting period: 4
20) Linear circuits
    DFG: amplifier / comparator
    CFG: amplifier / comparator
    CTL: differential amplifier / comparator
    DPG: comparator

Applications
    VHS VCRs and camcorders

Номер в каталоге(s) : AA51880
Agamem Microelectronic Inc.
Agamem Microelectronic Inc.
Компоненты Описание : Servo MOTOR CONTROLLER (Rev - 2003)

INTRODUCTION
The AA51880 is a BJT integrated circuit for use in Servo motor control applications.
The built -in voltage regulator provides the AA51880 with extremely stable output voltage.

FEATURES
    Built-in voltage regulator.
    Larger driving capability.
    Small outline package.

APPLICATIONS
    Servo motor control.
    Radio controlled car, boat, airplane.
    IA products (such as air-condition).

Номер в каталоге(s) : AA51880
Agamem Microelectronic Inc.
Agamem Microelectronic Inc.
Компоненты Описание : Servo MOTOR CONTROLLER

■ DESCRIPTION
The AA51880 is a BJT integrated circuit using in Servo motor control applications. The built-in voltage regulator provides the AA51880 with extremely stable output voltage. It also incorporates a linear one-shot and pulse-width demodulator for improved positional accuracy.

■ FEATURES
• Built-in voltage regulator.
• Larger driving capability.
• Internal output NPN power transistor.
• Adjustable dead band range control.
• Incorporates a protection circuit for "H-Bridge" driving configuration.
• Small outline package.

■ APPLICATIONS
Servo motor control.
• Radio controlled car, boat, and airplane.
• IA products (such as air-condition).
• Remote positioning.

Номер в каталоге(s) : BA2266A
Unspecified
Unspecified
Компоненты Описание : Radio Servo Controller

Radio Servo Controller

Номер в каталоге(s) : GDR101
Yamaha Corporation
Yamaha Corporation
Компоненты Описание : Analog Servo Processor


Номер в каталоге(s) : KA8309
Samsung
Samsung
Компоненты Описание : audio Servo control


Номер в каталоге(s) : TDA7522
STMicroelectronics
STMicroelectronics
Компоненты Описание : Digital Servo & Decoder

DESCRIPTION
TDA7522 is a single chip processor consisting of Decoder, Servo and 1bit D/A for 4times CD-ROM / CDAudio. Main concept of this IC is that it is based on embedded System Micro Controller which allows customer to develop system software very easily: just based on provided commands. Further the microcontroller is fully customer dedicated in terms of both software and general purpose Port.

■ BUILT IN 8Bit MICROCONTROLLER (STANDARD ST7) with:
    – 24 KByte ROM available for ST7 & Servo-Audio DSP
    – 1024Byte RAM, including 128byte stack
    – 4KByte RAM for CD-Text memory (for 1block)
    – Built in R-W subcode buffer (Max. 144Byte 8packs) for CD-Text
    – 24 bit general I/O port (PoartA[7-0], PortB[7-0], PortC[7-0])
    – One External Interrupt (16 IRQ encoder inside)
    – 16bit free running counter timer
    – 8bit 1ch general purpose A/D
    – I2C bus I/F
    – Watch dog
    – Kenwood I/F
■ STAND-BY MODE (Stop all clocks and Shut down power of Peripheral (PON pin))
■ BUILT IN Servo & AUDIO DIGITAL SIGNAL PROCESSOr (SAC-DSP) inclusive of:
    – 1024x19bit Program RAM
    – 512x16bit Coefficient RAM
    – 1024x20bit Data RAM
    – 128x6bit Decimation RAM
    – MAC: 16 bit (Coefficients) x 20 bit (data) multiplier with 38 bit adder
    – Instruction execution rate as high as 56MIPS
■ BUILT IN PROGRAMMABLE CLOCK GENERATOR PLL
■ PERIPHERALS for CD PLAYER APPLICATION
    – Data Acquisition, Erasure correction, CLV&CAV controller
    – Subcode decoder (CD-Text, CD-Graphic I/F)
    – Shock proof memory controller, Disturbance detector
    – Decimation filter
■ ACTUATORS DRIVING MODE SELECTABLE between PWM or PDM MODE
■ 256Fs / 384Fs (16.9344MHz) CLOCK INPUT.

Номер в каталоге(s) : LA7116
SANYO -> Panasonic
SANYO -> Panasonic
Компоненты Описание : VCR Servo Interface

Overview
The LA7116 is a VCR Servo interface IC that can be used in conjunction with the LC7412, 7413 to form a Servo system with a good cost performance.

Features
• The operational amplifier section can be operated from a voltage of up to 12V.
• Selectable threshold voltage of CLT Schmitt section.

Functions
• Drum FG amplifier.
• Capstan FG amplifier.
• CTL amplifier.
• Drum PG amplifier.
• OP amplifier × 2.

Номер в каталоге(s) : BA6688L
ROHM Semiconductor
ROHM Semiconductor
Компоненты Описание : Servo Motor IC

Description :
The BA6688 IC provides the radio signal decoding and reads the positioning resistor (Pot) and the other is the BAL 6686 H-bridge that powers the Servos motor.

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