case 0x08: { //WriteRegister Page 78 OK
    int address;
    int value;

    uint8_t dataSum = btDCS;

    for (int i = 0; i < abtRxBuf[3] - 2; i += 3) {

        memcpy(&address, (int*) abtRxBuf + 7 + i, 2);
        memcpy(&value, (int*) abtRxBuf + 9 + i, 1);

        pn532_packetbuffer[0/*1*/] = address >> 8;
        pn532_packetbuffer[1/*2*/] = address & 0xff;
        pn532_packetbuffer[2/*2*/] = value;

        Wire.write(pn532_packetbuffer, 3);
        Serial.write(pn532_packetbuffer, 3);
        dataSum -= sum_array(pn532_packetbuffer, 3);
    }

    writePostStuff(dataSum);
    break;
}