8K decoding, multi-display

8K@60fps H.265/VP9/AVS2 decoding and HDMI 2.0 up to 7680×4320@60Hz, driving several screens with different content.

02

6 TOPS of AI

INT4/INT8/INT16 mixed precision NPU running models from TensorFlow, PyTorch, Caffe and MXNet.

03

HDMI in and out

Both HDMI-OUT and HDMI-IN for connecting and re-broadcasting an external source.

04

Fast networking

Gigabit Ethernet, Wi-Fi 6 and BT 5.2 with wireless peripheral support.

05

Built-in amplifier

On-board dual-channel 8R/5W amplifier with left and right output, no external module needed.

06

Complete playback features

Landscape and portrait playback, split screen, scrolling subtitles, timer on/off and USB import.

The HYY-022A is built on the Rockchip RK3588 octa-core 64-bit processor — 8 nm, up to 2.4 GHz — with a Mali-G610 MP4 GPU and a 6 TOPS NPU, for 8K decoding and different content on several screens at once. HDMI in and out, Gigabit Ethernet, Wi-Fi 6 and BT 5.2 are on board, together with a dual-channel amplifier and a full set of expansion headers.

Specifications

Platform
Processor	Rockchip RK3588, octa-core 64-bit (4× Cortex-A76 + 4× Cortex-A55), 8 nm, up to 2.4 GHz
GPU	ARM Mali-G610 MP4, OpenGL ES 3.2 / OpenCL 2.2 / Vulkan 1.1, 450 GFLOPS
NPU	6 TOPS with INT4/INT8/INT16 mixed precision; TensorFlow, PyTorch, Caffe and MXNet model conversion
ISP	48 MP ISP with HDR and 3DNR
Memory	4 GB / 8 GB / 16 GB 64-bit LPDDR4 / LPDDR4x, up to 32 GB
Storage	32 GB / 64 GB / 128 GB eMMC, 32 GB as standard
OS	Android 12.0, with Debian and other systems available
Audio and Video
Video decoding	8K@60fps H.265 / VP9 / AVS2, 8K@30fps H.264, 4K@60fps AV1, 1080P@60fps MPEG-2/-1 / VC-1 / VP8
Video encoding	8K@30fps H.265 / H.264; up to 32 channels of 1080P@30fps decoding and 16 of encoding
Video input	HDMI-IN: HDMI 2.0 2160P@60Hz or HDMI 1.4b 2160P@30Hz
Audio	Dual-channel 8R/5W amplifier with left and right output; microphone header
Display
HDMI	HDMI 2.0 OUT, up to 7680×4320@60Hz
eDP / LVDS / MIPI	eDP up to 3840×2160@60Hz; LVDS up to 1920×1080; MIPI up to 2560×1440
Multi-display	Different content on two screens
Interfaces
Network	1× Gigabit Ethernet (10/100/1000M auto), Wi-Fi 6 + BT 5.2
USB	4× internal USB 2.0 headers, 1× external USB 2.0, 1× USB 3.0, full-function Type-C (no PD)
Serial	3× TTL, 1× debug, 1× RS232
Other	RTC, hardware watchdog, scheduled power on/off, screen parameters imported from TF or USB, GPIO and ADC headers
Mechanical
PCB	8-layer board, 142 × 83 mm
Mounting	4× ∮3.5 mm mounting holes

Applications

Digital signage: Advertising screens in buildings, lifts, supermarkets and retail chains, in landscape or portrait.
Large and video-wall displays: Content playback for high-resolution screens, video walls and window displays.
Meeting and classroom panels: Touch interaction, external video input and multiple display outputs.
AI security and footfall: Face recognition, footfall statistics and behaviour analysis on the built-in NPU.
Self-service kiosks: Queue displays, information terminals and smart vending cabinets.
Transport and campus displays: Information boards for stations, airports, campuses and production lines.

Software

The board ships with our own software for a complete hardware-and-software solution:

Digital Signage Publishing System: layout design, scheduling and remote publishing
OTA System: remote firmware and app updates with device management
Industry Test Software: one-tap production-line testing and reports