    const TEST_MODE_VENDOR_USE_ONLY_10: u16 = 0b0000_0001_0000_0000; // A8 = 1, A7 = 0
    const TEST_MODE_VENDOR_USE_ONLY_01: u16 = 0b0000_0000_1000_0000; // A8 = 0, A7 = 1

    // Write burst length
    const WRITE_BURST_LENGTH_BURST: u16 = 0b0000_0000_0000_0000; // A9 = 0