Analog Devices Inc. DC9010B

Overview

DC9010B from Dust Networks is a USB-to-SPI serial programming adapter designed for in-circuit flashing and configuration of LTC5800-based Eterna wireless sensor network nodes (e.g., Eterna motes). It supports fuse table loading, image programming (Loader, Partition Table, Application), crystal characterization, and RF certification testing. It delivers up to 100 mA at 3.3 V to power target boards during programming.

For engineers reviewing the DC9010B datasheet, DC9010B pinout, DC9010B application, or DC9010B equivalent, this tool enables reliable production flash programming, factory calibration of 20 MHz crystal load trim (0x13), and out-of-network RF validation per the ETERNA RF Certification Users Guide - critical for SmartMesh IP and WirelessHART node manufacturing.

Technical Context

The DC9010B implements a USB 2.0 Full-Speed interface (12 Mbps) with an onboard FTDI FT232RL USB-UART bridge IC, configured to drive SPI signals (SCLK, MOSI, MISO, CS#) directly to the LTC5800's JTAG/SPI debug port. It includes level-shifting circuitry supporting 1.8 V to 3.3 V target I/O voltage domains and provides hardware reset control via the RESETn signal.

It operates exclusively with the Eterna Serial Programmer software suite, which handles low-level flash page writes, fuse table validation, crystal load trim updates, and BDSL-based interconnect testing. The device does not support standalone operation or generic SPI host functionality - its command protocol and timing are tightly coupled to the LTC5800 boot ROM and loader firmware.

Key Specifications

Availability

DC9010B is available at Aetrix Electronics and suitable for SmartMesh IP node manufacturing, WirelessHART device calibration, Eterna mote production programming, and RF pre-certification testing requiring stable component supply and traceable tooling.

Supply support for DC9010B 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

Dust Networks, acquired by Linear Technology (now part of Analog Devices), specialized in ultra-low-power, time-synchronized wireless mesh networking ICs and tools for industrial IoT applications.

The DC9010B belongs to the Eterna Serial Programmer family - purpose-built to enable secure, repeatable, and calibrated programming of LTC5800-based motes and IP managers in both development and high-volume production environments.

FAQ

What is the primary function of the DC9010B in Eterna-based designs?

The DC9010B is a dedicated USB serial programmer used exclusively to load firmware images, fuse tables, and configuration data into LTC5800-based Eterna motes. It enables crystal characterization (updating register 0x13), performs flash verification, and supports RF certification testing per the ETERNA RF Certification Users Guide. The DC9010B is not a general-purpose USB-to-SPI adapter - its operation is bound to the Eterna Serial Programmer software and LTC5800 boot ROM protocol.

Does the DC9010B support programming of non-LTC5800 devices?

No. The DC9010B is engineered solely for the LTC5800 family and compatible Eterna derivatives (e.g., LTC5800-IPRA, LTC5800-IPRB). Its firmware, timing sequences, and command structure are specific to the LTC5800's bootloader and memory map. It does not support generic SPI flash, JTAG, or other microcontroller families - attempting use with non-Eterna targets will fail due to protocol incompatibility and missing handshake logic.

Can the DC9010B supply power to the target board during programming?

Yes. The DC9010B provides regulated 3.3 V output at up to 100 mA to power the target Eterna mote during programming and crystal characterization. This eliminates the need for an external power source during factory programming. However, it is not intended for continuous operation or high-current applications - sustained loads above 80 mA may cause thermal derating or voltage droop affecting programming reliability.

Is the DC9010B compatible with modern Windows, Linux, and macOS systems?

Yes - the DC9010B uses an FTDI FT232RL USB-UART bridge with widely supported VCP drivers. It works with Windows 10/11, recent Linux kernels (≥4.15), and macOS 12+ when paired with the official Eterna Serial Programmer software. Driver installation is automatic on most platforms; no proprietary USB stack is required. Note: The Eterna Serial Programmer application itself must be used - generic terminal emulators cannot interpret the DC9010B's protocol.

How does the DC9010B handle crystal load trim calibration for the LTC5800?

The DC9010B, in conjunction with the Eterna Serial Programmer software, executes the crystal characterization procedure defined in the Eterna Integration Guide. After measuring the 20 MHz crystal's actual frequency deviation, the software calculates the optimal load trim value (written to Fuse Table register 0x13) and uses the DC9010B to program that value into the LTC5800's one-time programmable (OTP) fuse space - ensuring precise radio timing and global network synchronization for SmartMesh IP deployments.