Master Specifications

Hardware Platform Overview

• ADM SoC (ARM‑based)
• Integrated NPU / AI Engine
• GPU with advanced codec support
• RAM: 8–64 GB LPDDR4/5
• Storage: 64 GB – 2 TB eMMC/UFS
• High‑speed I/O and multi‑sensor support

Core Service Interactions

Core services provide:

• Real‑time data and control
• Event‑driven notifications
• Deterministic system behavior
• Unified service orchestration

System Architecture Overview

The architecture is divided into five major layers:

4.1 Application Layer

• Home UI Launcher
• Scene Engine (Ambient)
• Media Player (Local / Streaming)
• Casting Inputs (Wireless Display / Miracast / AirPlay‑style)
• Settings App
• Diagnostics Service

4.2 Core Services Layer

• Display Service
• Audio Service
• Network Service
• Casting Service
• Sensor Service
• Power/Thermal Service

4.3 Device Drivers Layer

• I²C / SPI Drivers
• PCIe / SDIO Driver
• UART Driver
• GPIO Driver
• PWM Driver
• ADC Driver

4.4 Hardware Abstraction Layer (HAL)

• Display HAL
• Touch HAL
• Audio HAL
• Port HAL
• Sensor HAL
• Wireless HAL
• Power HAL

4.5 Base Operating System

• Lightweight Embedded Linux / Android‑Class OS
• Fast Boot
• Minimal Services
• Deterministic Control
• Secure Execution

External Interfaces & Connectivity

Video

• HDMI 2.1 (aRC) IN/OUT

Data & Peripherals

• USB 3.0 ×2
• USB 2.0 ×2
• Network RJ45 (Gigabit Ethernet)
• Wi‑Fi 6
• Bluetooth 5.2

Audio

• Optical Audio (TOSLINK)
• 3.5 mm Audio OUT

Service

• UART (3.5 mm / USB‑C)

Sensors & Inputs

• Ambient Light Sensor
• Temperature Sensor
• IR Receiver (Remote)
• Microphone (Optional)
• Gyroscope (Optional)
• Touch Panel (50‑point)
• Power / PSU Status
• User Button (Power)

Audio System Architecture

Input Sources

• HDMI (aRC)
• Optical IN
• Internal Media Player

Audio Service

• DSP (Audio)
• EQ Modes
• Volume Control
• Lip‑Sync

Amplification

• Power Amp (7.1.4 Channels)

Speakers

• True Surround 7.1.4
• Subwoofer Output

Safety & Protection Logic

Thermal Protection

• Reduce brightness / audio
• Display warning
• Controlled shutdown

Power Integrity

• Brownout detection
• Over‑voltage detection
• Event logging

Watchdogs & Stability

• Service monitoring
• Auto‑restart of failed services
• Full reboot on critical failure

Update & Service Architecture

• OTA Updates
• USB Updates
• Ethernet Updates
• Dual A/B Partition Strategy
• Rollback on update failure
• Boot & recovery system
• Diagnostics & logging

Development & Design Methodology

Phase 1 — Hardware Bring‑Up

• Drivers
• Validation
• Board & peripheral tests

Phase 2 — Core Services

• Definition
• Implementation
• Integration testing

Phase 3 — UI & Apps

• Home UI
• Media player
• Settings & diagnostics

Phase 4 — Safety & Updates

• Watchdogs
• OTA update system

Phase 5 — Calibration & Tuning

• Audio DSP tuning
• Sensor calibration

Phase 6 — Test & Validation

• Functionality tests
• Certification & compliance

Phase 7 — Release & Maintenance

• Final release
• Monitoring
• Continuous improvement

Key Performance Goals

Document Information