Rainbow-electronics MAXQ3108 Instrukcja Użytkownika Pobierz pdf (Strona 1)

General Description

The MAXQ3108 is a low-power microcontroller that fea-

tures two high-performance MAXQ20 cores: a dedicat-

ed core (DSPCore) for intensive data processing and a

user core (UserCore) for supervisory functions. The two

cores can operate at different clock speeds, allowing

lower system power consumption for even processing

intensive applications. The UserCore can be configured

to run at the lowest clock rate possible for monitoring

the peripherals for communication activities, while the

DSPCore runs at the highest speed. Each core has

access to an independent math accelerator (a multi-

ply/accumulate unit). The UserCore supports SPI™,

C, two UART channels with one channel supporting

IR carrier modulation, a trimmable real-time clock

(RTC), battery-backed RTC registers, and data memo-

ry. The DSPCore is fully user programmable and con-

figurable. With the standard 32,768Hz crystal, the

DSPCore operates at 10.027MHz, while the UserCore

runs at 5.014MHz.

Applications

Electricity Meters

Industrial Control

Battery-Powered and Portable Devices

Smart Transmitters

Medical Instrumentation

Features

♦ High-Performance, Low-Power, Dual 16-Bit RISC

Cores

♦ Approaches 1MIPS per MHz

♦ System Clock

10.027MHz (DSPCore)

5.014MHz (UserCore)

♦ 33 Instructions

♦ Approximately 100ns Execution Time at 10.027MHz

♦ Three Independent Data Pointers Accelerate Data

Movement with Automatic Increment/Decrement

♦ 16-Bit Instruction Word, 16-Bit Data Bus

♦ 16 x 16-Bit General-Purpose Working Registers

for Each Core

♦ 16-Level Hardware Stack for Each Core

♦ Hardware Support for Software Stack

♦ Memory Features

UserCore

64KB Flash Program Memory

16B Battery-Backed (V

BAT

) Data SRAM

4KB Utility ROM

2KB Data SRAM; 10KB Total Data SRAM (If

DSPCore Inactive)

DSPCore

8KB User-Loadable SRAM Code Memory

1KB Data SRAM

♦ Peripherals

FLL (10MHz Output with 32kHz Input)

SPI Master, I

C Master

Two UART Channels (One Supports IR Carrier

Modulation)

Math Accelerator for Each Core

Three Manchester Decoder and Cubic Sinc Filter

Channels for Interfacing to DS8102 Delta-Sigma

Modulators

Two 16-Bit Programmable Timer/Counters

RTC with Alarms and Digital Trim, Dedicated

Battery-Backup Pin (V

BAT

)

Two Programmable Pulse Generators

Independent Watchdog Timer for Each Core

External Interrupts

JTAG Interface

♦ Operating Modes

Stop Mode: 0.1µA typ

Active Current at 10MHz and V

= 2.0V: 1.0mA typ

MAXQ3108

Low-Power, Dual-Core Microcontroller

________________________________________________________________

Maxim Integrated Products

Ordering Information

Rev 0; 1/09

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be

simultaneously available through various sales channels. For information about device errata, go to: www.maxim-ic.com/errata

Denotes a lead(Pb)-free/RoHS-compliant package.

PART TEMP RANGE PIN-PACKAGE

MAXQ3108-FFN+ -40°C to +85°C 28 TSSOP

Pin Configuration appears at end of data sheet.

SPI is a trademark of Motorola, Inc.

MAXQ is a registered trademark of Maxim Integrated Products, Inc.

1 2 3 4 5 6 ... 63 64

MAXQ3108 1

Podsumowanie treści

Strona 1 - MAXQ3108

General DescriptionThe MAXQ3108 is a low-power microcontroller that fea-tures two high-performance MAXQ20 cores: a dedicat-ed core (DSPCore) for inten

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MAXQ3108Low-Power, Dual-Core Microcontroller10 ______________________________________________________________________________________DSP Program RAMA

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 11BIT REGISTER MOD:

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MAXQ3108Low-Power, Dual-Core Microcontroller12 ______________________________________________________________________________________BIT REGISTER MOD:

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 13BIT REGISTER MOD:

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MAXQ3108Low-Power, Dual-Core Microcontroller14 ______________________________________________________________________________________BIT REGISTER MOD:

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 15Peripheral Regist

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MAXQ3108Low-Power, Dual-Core Microcontroller16 ______________________________________________________________________________________BIT REGISTER MOD:

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 17Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller2 _______________________________________________________________________________________Absolute Maximum

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MAXQ3108Low-Power, Dual-Core Microcontroller_______________________________________________________________________________________ 3Figure 1. Memory

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 39Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller4 _______________________________________________________________________________________RECOMMENDED DC OP

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 41Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 45Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 47Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller48 ______________________________________________________________________________________Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 49Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller_______________________________________________________________________________________ 5RECOMMENDED DC OP

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MAXQ3108Low-Power, Dual-Core Microcontroller50 ______________________________________________________________________________________Special Function

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 51PIN PRIMARY SECON

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MAXQ3108Low-Power, Dual-Core Microcontroller52 ______________________________________________________________________________________• Internal FLL, o

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 53modes. The two po

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MAXQ3108Low-Power, Dual-Core Microcontroller54 ______________________________________________________________________________________Since PMM is inco

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 55active mode. The

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MAXQ3108Low-Power, Dual-Core Microcontroller56 ______________________________________________________________________________________Infrared SupportU

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 57The other party,

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MAXQ3108Low-Power, Dual-Core Microcontroller58 ______________________________________________________________________________________sent (and both SD

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 59ADC Registers• AD

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MAXQ3108Low-Power, Dual-Core Microcontroller6 _______________________________________________________________________________________MAXQ3108SINC3FILT

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MAXQ3108Low-Power, Dual-Core Microcontroller60 ______________________________________________________________________________________DSPCore uses 8KB

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 61MREQ0 register. I

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MAXQ3108Low-Power, Dual-Core Microcontroller62 ______________________________________________________________________________________Bit 11: TBCR. Set

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MAXQ3108Low-Power, Dual-Core Microcontroller______________________________________________________________________________________ 63In-Application Fl

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MAXQ3108Low-Power, Dual-Core MicrocontrollerMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Ma

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MAXQ3108Low-Power, Dual-Core Microcontroller_______________________________________________________________________________________ 7Pin DescriptionPI

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MAXQ3108Low-Power, Dual-Core Microcontroller8 _______________________________________________________________________________________Detailed Descript

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MAXQ3108Low-Power, Dual-Core Microcontroller_______________________________________________________________________________________ 9movement involves

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