Sipeed M1/M1W (Lichee Dan)
M1: K210 all-pin leads, built-in 8M SRAM in chip, built-in 16M Flash in module
M1W is the version with WiFi (esp8285)
The M1n core module adopts the M.2 golden finger interface and has a 24Pin FPC base onboard. Compared with M1/M1W, users can quickly integrate K210 into their own creative or commercial products.
Chip K210 Datasheet: Kendryte official website