B3120 2K FHD LVDS/RGB Display SoC
B3120 is a 1.0 GHz HiChip B-series display SoC with up to 256 MB @1333 Mbps external DRAM and FHD 60 fps multi-format decode. Display output is RGB888/LVDS with RMII Ethernet and SDIO 3.0/eMMC 4.4, running RTOS/Linux in an eLQFP128 package.
HiChip does not yet provide a dedicated B3120 product page. Specs below are from the HiChip product parameter library — B Series.
Key Specifications
| Item | Spec |
|---|---|
| CPU | 1.0 GHz |
| DRAM | ext. max. 256 MB @1333 Mbps |
| Flash | SPI Flash |
| Video decoder | Multi-format @FHD 60 fps |
| Display | RGB888 / LVDS |
| Video input | — |
| Audio | I2S in + I2S out / TDM in / SPDIF |
| USB | USB 2.0 ×2 |
| SDIO | SDIO 3.0 / eMMC 4.4 |
| I2C/UART | 6×PWM, 3×UART, IRRX |
| Ethernet | RMII |
| Wi-Fi | Supported |
| SW system | RTOS/Linux |
| Package | eLQFP128 |
Typical Applications
- Network digital signage, display speakers
- In-vehicle multimedia, smart projectors
Design Notes
- Adds RMII versus B3100 for wired networked signage; no CVBS display or video input.
- More streamlined than B3200, potentially lower cost.