Analog Devices Inc./Maxim Integrated MAXQ610E-0000+

Overview

MAXQ610E-0000+ from Maxim Integrated is a 16-bit RISC microcontroller optimized for ultra-low-power infrared remote control systems, featuring 64KB flash, 2KB SRAM, integrated IR carrier generation (up to 12MHz system clock), and 0.2µA typical stop-mode current. It executes 33 instructions at DC–12MHz across 1.70V–3.6V supply, with dual USARTs, SPI, and 24–32 GPIOs depending on variant.

For engineers reviewing the MAXQ610E-0000+ datasheet, MAXQ610E-0000+ pinout, MAXQ610E-0000+ application, or MAXQ610E-0000+ equivalent, key selection criteria include IR transmit capability (25mA sink on IRTX), secure MMU-based IP protection, nanopower wake-up timer (8kHz ring oscillator), and compatibility with TQFN-EP packages for space-constrained consumer remote designs.

Technical Context

The MAXQ610E-0000+ implements a single-cycle 16-bit RISC core delivering ~12MIPS at 12MHz, with three independent data pointers accelerating memory-mapped IR waveform buffering and keypad scanning. Its IR subsystem includes dedicated carrier generation logic synchronized to the system clock (f_IR = f_CK/2) and configurable modulation timing via programmable timers.

Power management integrates a power-fail monitor (VPFW = 1.8V typ), brownout reset (VRST = 1.67V), and stop mode with selective wake-up sources: external interrupts, timer, or power-fail event. The 8kHz nanopower ring oscillator enables sub-second wake-up intervals without external components.

Key Specifications

Pinout & Package

MAXQ610E-0000+ is packaged in a 32-pin TQFN-EP (5mm × 5mm, 0.5mm pitch) with exposed pad. Pin functions are defined per the MAXQ610A variant; the "E" suffix denotes the same 32-pin configuration and electrical behavior as MAXQ610A-0000+, confirmed by Maxim's ordering guide and pin description tables.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with RL78/G13 and STM32L053R8T6, the MAXQ610E-0000+ delivers hardware-accelerated IR transmission with zero CPU overhead, 0.2µA stop-mode current (vs. 0.35µA and 0.42µA respectively), and integrated 25mA IR driver - making it uniquely optimized for battery-powered IR remote applications where size, power, and protocol fidelity are critical.

Availability

MAXQ610E-0000+ is available at Aetrix Electronics and suitable for universal remote controls, battery-powered portable equipment, and home appliance user interfaces requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.

Supply support for MAXQ610E-0000+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and embedded processing solutions for power, sensing, and communications applications.

The MAXQ610 product line targets ultra-low-power infrared control systems, combining secure RISC architecture, hardware IR acceleration, and nanopower management to extend battery life in consumer remote and portable electronics.

FAQ

What is the package type and lead-free status of MAXQ610E-0000+?

MAXQ610E-0000+ uses a 32-pin TQFN-EP package (5mm × 5mm, 0.5mm pitch) with exposed pad. The "+" suffix confirms it is lead(Pb)-free and RoHS-compliant per Maxim's ordering nomenclature. Pinout matches the MAXQ610A variant, with VDD, GND, IRTX, IRRX, HFXIN/HFXOUT, and JTAG signals fully documented in the datasheet's Pin Description section.

Does MAXQ610E-0000+ support in-system programming and debug?

Yes, MAXQ610E-0000+ supports full in-circuit debugging and flash programming via its 4-wire JTAG interface (TCK/TDI/TMS/TDO on P2.4–P2.7). The ROM loader enables flash updates without external programmers, and the secure MMU allows protected firmware updates while preserving application partitioning - all verified in the "In-Circuit Debug and JTAG Interface" and "Loading Flash Memory" sections of the datasheet.

How does the IR carrier generation work on MAXQ610E-0000+?

MAXQ610E-0000+ implements dedicated hardware carrier generation synchronized to the system clock (f_IR = f_CK/2). The IR module accepts modulation data via memory-mapped registers and outputs precisely timed carrier bursts on IRTX without CPU intervention. This is confirmed in the "IR Carrier Generation Module" and "IR Transmission" subsections, with timing diagrams (Figures 1–3) validating hardware-level carrier shaping.

What is the minimum operating voltage for MAXQ610E-0000+ during active and stop modes?

MAXQ610E-0000+ operates from 1.70V to 3.6V in active mode, with guaranteed functionality down to 1.70V. In stop mode, RAM data retention is maintained down to 1.0V (VDRV), and the power-fail warning activates at 1.8V (VPFW typ). These values are specified in the "Recommended DC Operating Conditions" table (page 4), with test conditions explicitly stated for TA = 0°C to +70°C.

Is MAXQ610E-0000+ pin-compatible with other MAXQ610 variants like MAXQ610B-0000+?

No, MAXQ610E-0000+ is not pin-compatible with MAXQ610B-0000+ or MAXQ610J-0000+. The "E" suffix corresponds to the 32-pin TQFN package (same as MAXQ610A), while MAXQ610B uses 40-pin TQFN and MAXQ610J uses 44-pin TQFN - each with distinct pin counts, layouts, and GPIO allocations per the "Pin Configurations" section (page 27) and Ordering Information table.