Current command:
lf em 4x70 write --help
Write EM4x70 usage: lf em 4x70 write [-h] [--par] -b <dec> -d <hex> options: -h, --help This help --par Add parity bit when sending commands -b, --block <dec> block/word address, dec -d, --data <hex> data, 2 bytes examples/notes: lf em 4x70 write -b 15 -d c0de -> write 'c0de' to block 15 lf em 4x70 write -b 15 -d c0de --par -> adds parity bit to commands