Tang Primer 20K is a core board with DDR3 sodimm shape based on GW2A-LV18PG256C8/I7 as the main chip, with 2 ext-boards are prepared, the Dock and the Lite.
20K LUT4
1Gbit DDR3
Pmod * 4
DVP Camera
10/100M ETH
DDR3 SODIMM
SPI LCD
Audio Output
USB-UART & JTAG
RGB LCD
HDMI Output
SD Card Connector
MIC Array Connector
USB2.0 PHY
32Mbit Flash
Reference picture
Users use Verilog to design custom hardware functions on the basic of PicoRV/LiteX IP core, and at the same time use C language to write code running on PicoRV/LiteX core.
| Item | Dock | Lite | ||
| Number | Addition | |||
| RGB Interface | 1 | RGB565 40P FPC Connector | ||
| DVP Interface | 1 | 24P FPC Connector | ||
| Mic array Interface | 1 | 10P FPC Connector | ||
| Touch Interface | 1 | 6P FPC Connector | ||
| PMOD Interface | 4 | 4 | ||
| 3.5mm headphone Jack | 1 | LPA4809MSF driver | ||
| DIP switch | 1 | 5P DIP switch | ||
| Slide switch | 1 | Switch USB function | 2 | |
| Type-C | USB-JTAG&UART | 1 | Onboard BL702 used to download bitstream file and provide serial communication | |
| User-defined USB | 1 | USB3317 with Slide switch to change USB Interface function | ||
| Wireless antenna | 1 | BL702 wireless function | ||
| Key | 6 | One used for burning BL702, five for Users |
2 | |
| LED | 6 | |||
| HDMI Interface | 1 | |||
| Ethernet Interface | 1 | RTL8201F | ||
| RGB LED | 1 | WS2812 | ||
