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DS4830A - Optical Microcontroller

DS4830A是Maxim美信半导体公司的一款光电产品产品，DS4830A是Optical Microcontroller，本站介绍了DS4830A的封装应用图解、特点和优点、功能等，并给出了与DS4830A相关的Maxim元器件型号供参考。

DS4830A - Optical Microcontroller - 光电产品 - Advanced Optical µC Enables High-Performance MSA-Compliant SFP+, QSFP+, and PON-OLT Transceivers - 美信半导体

产品概述

The DS4830A is a low-power, 16-bit microcontroller with a unique peripheral set supporting optical applications that require high-resolution conversion of many analog signals and digital signal processing (DSP) of those signals, high-speed data communication to an external host, and ultra-low power dissipation. A wide variety of optical transceiver controller applications is supported without need of external circuitry, thereby minimizing cost and PCB area.

Power dissipation and throughput are optimized through the use of a programmable round-robin analog-to-digital converter (ADC) and 10-bit fast comparator, which operate completely independently of the core and significantly relieve core overhead. A dual multiply/accumulate (MAC) is included to minimize interrupt service timing/design complexity. Ten 16-bit PWM channels are included to provide an unprecedented level of precision in digital power-control applications.

The DS4830A provides a complete optical control, calibration, and monitor solution compatible with SFF-8472. Additional resources include a fast/accurate ADC, fast comparators with an internal comparison digital-to-analog converter (DAC), eight independent 12-bit DACs, an accurate internal temperature sensor, two fast sample/holds with various programmable options, and a multiprotocol serial master/slave interface. An independent, 400kHz-compliant, slave I2C interface with four configurable slave addresses facilitates communication to a host, in addition to password-protected in-system programming of the on-chip flash.

Extensive design-in and applications support are available, including comprehensive user’s and programmer’s guides, complete reference designs with documented code, and in-depth application notes showing numerous code examples in both C and assembly language. Firmware development is supported by third-party vendors.

关键特性

以下关键特性由Maxim美信半导体提供：

16-Bit Low Power Microcontroller

Slave Communication Interface: 400kHz without Clock Stretching I2C Compatible 2-Wire or SPI

Master Communication Interface: 400kHz I²C-Compatible 2-Wire, SPI, or Maxim 3-Wire Laser Driver

Pin-Compatible with DS4830

32KWords Flash Program Memory

2KWords Data RAM

4KWords ROM Memory

32-Level Stack Memory

2.85V to 3.63V Operating Voltage Range

8 Independent 12-Bit Voltage DACs with 2.5V Internal Reference or External Reference

10 x 16-Bit PWM Channels

Supports 4-Channel TECC H-Bridge Control

Boost/Buck DC-DC Control

1MHz Switching Frequency

13-Bit ADC with 26-Input Mux

40ksps

Individual Channel Averaging Option

Two Independent Sample/Holds with Individual Channel Averaging Option

1V Full Scale

300ns Sample Time

Fast Temperature Measurement with Averaging Option

Internal Temperature Sensor, ±2°C

10-Bit Fast Comparator with 16 Input Mux

31 GPIO Pins

Internal 20MHz Oscillator

Up to 133MHz External Clock for PWM and Timers

Two 16-Bit Timers and One Programmable Watchdog Timer

Maskable Interrupt Sources

Fast Hardware CRC-8 for Packet Error Checking (PEC)

I2C and JTAG Bootloader

Four Software Interrupts

Supply Voltage Monitor (SVM) and Brownout Monitor

JTAG Port with In-System Debug and Programming

Low Power Consumption (16mA) with All Analog Active

5mm x 5mm, 40-Pin TQFN Package

热门应用

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双工/三工PON：GPON、10GEPON、XPON OLT、ONU

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