In the low-power IoT and HMI development space, the performance, footprint, and compatibility of the core compute module often determine how quickly a product can move from prototype to deployment. Among the new System-on-Module (SoM) options based on Texas Instruments’ AM62L dual-core Cortex-A53 processor family, iWave Systems’ iG-RainboW-G69M stands out.
This OSM Size-S compliant module, combined with a Raspberry-Pi-form-factor carrier board, provides an efficient and cost-effective foundation for a wide range of embedded applications.
Compact 30×30 mm Compute Core: iG-RainboW-G69M Module Overview
Despite its compact 30×30 mm footprint, the iG-RainboW-G69M integrates a rich set of hardware interfaces through its 332-pin LGA package, enabling it to support diverse development needs.
The module maintains industrial-grade reliability and accuracy across the board. Key specifications are summarized below.
Core Processing and Memory Specifications
| Category | Specification |
|---|---|
| Processor | TI AM62Lx with dual-core Arm Cortex-A53 CPU, up to 1.25 GHz |
| Cache Architecture | 32 KB L1 I-cache + 32 KB L1 D-cache per core; shared 256 KB L2 cache |
| System Memory | 1 GB LPDDR4 (expandable to 2 GB) |
| On-board Storage | 8 GB eMMC (custom capacities supported) |
| Auxiliary Storage | 32 Kbit EEPROM; support for 4-bit SD and SQPI |
Comprehensive Interface Support
The module exposes all major display, networking, audio, USB, and general-purpose I/O interfaces via its LGA pads, enabling it to function as a flexible core for both prototype and mass-production designs.
I/O and Connectivity
| Interface Type | Details |
|---|---|
| Display | 4-lane MIPI-DSI; 18-bit RGB LCD interface |
| Audio | I2S audio output |
| Networking | 2× RGMII Gigabit Ethernet |
| USB | 1× USB 2.0 OTG; 1× USB 2.0 Host |
| Industrial I/O | 2× ADC inputs, 1× SPI, 2× I²C, 4× UART (2 with flow-control), 2× CAN, 2× PWM, 11× GPIO |
| Debug | Debug UART and JTAG |
| Power | 5 V / 2.5 A input; integrated PMIC |
Environmental and Compliance
| Category | Specification |
|---|---|
| Operating Temperature | −40 °C to +85 °C (industrial grade) |
| Certifications | Compliant with REACH and RoHS3 |
Raspberry-Pi-Sized Carrier Board: The Ideal Companion
To simplify prototyping and shorten development cycles, iWave Systems provides an 85×56 mm carrier board following the Raspberry Pi layout.
This board acts as the reference design and evaluation platform for the iG-RainboW-G69M and exposes the module’s full functionality.
Storage and Network Expansion
| Feature | Details |
|---|---|
| Storage | MicroSD card slot for external storage |
| Wired Networking | Gigabit Ethernet (RJ45) |
| USB Expansion | 2× USB 3.0 Host, 1× Micro-USB 2.0 OTG, USB header for additional expansion |
SBC block diagram
Display and Camera Interfaces
| Interface | Description |
|---|---|
| RGB Display | 18-bit RGB LCD connector |
| Optional Display | Micro HDMI and LVDS (optional configurations) |
| Camera | Optional MIPI-CSI interface for image capture |
Development and System Control Features
| Feature | Description |
|---|---|
| Expansion Connectors | 3× 100-pin expansion connectors supporting RGMII, MIPI-DSI, UART, and more |
| Debug | 3-pin debug UART header; JTAG supported via expansion connector |
| System Controls | Power key, reset key, power-on/off switch, boot-mode switch |
| Auxiliary Interfaces | RTC battery connector; cooling fan connector |
| Power Input | 12 V DC input; includes 12 V / 2 A power adapter |
iWave Systems iG-RainboW-G69M block diagram
Software Support and Target Applications
iWave Systems confirms that the iG-RainboW-G69M supports Linux 6.12.13 and later, and—leveraging the TI AM62L ecosystem—can also run Android, Linux RT, and FreeRTOS, covering a broad spectrum of IoT and real-time use cases.
Typical Applications
- Industrial HMI terminals
- Medical patient monitoring devices
- Building automation controllers
- EV charging stations and solar energy management systems
- Secure gateways and smart metering devices
- Mobile and industrial label printers
Development Kit and Documentation Access
The evaluation kit includes:
- iG-RainboW-G69M OSM module
- Raspberry-Pi-size carrier board
- 12 V / 2 A AC adapter
- Safety guide
- USB debug cable
Basic product information is publicly available, while complete technical documentation and software resources require email registration and manual approval from iWave’s sales team.
The board also follows iWave’s standardized design approach and maintains compatibility with previous platforms such as the STM32MP133/MP135-based iW-RainboW-G54S.
It supports OSM modules from Size-0 up to Size-L, ensuring scalability for future hardware upgrades.
Detailed pricing and supply timelines have not yet been published. Based on the information disclosed so far, the module and carrier board appear to be nearing mass-production readiness.
Developers can check the latest updates on iWave Systems’ product page.
