USER MANUAL
STM 550X / EMSIX
–
ENOCEAN MULTI-SENSOR
© 2020 EnOcean | www.enocean.com F-710-017, V1.0
STM 550x / EMSIx User Manual | v1.0 | February 2020 | Page 49/79
8.5.3
NFC_PIN_CODE
The PIN code used to protect access to the NFC CONFIGURATION memory area should be
changed from the default value to a user-specific value to avoid unauthorized access to the
device configuration.
To do so, first authenticate with the current PIN code and then write the new PIN code (32
bit value) to the NFC_PIN_CODE register.
8.5.4
PRODUCT_ID
The EnOcean Alliance Product ID uniquely identifies each product within the EnOcean Alli-
ance ecosystem. The Product ID consists of a 2 byte manufacturer identification code (as-
signed by EnOcean Alliance) and a 4 byte product identification code (assigned by the man-
ufacturer.
EnOcean has been assigned the manufacturer identification code 0x000B. EnOcean has as-
signed the following product identification codes to STM 550x:
STM 550:
0000004C
STM 550U: 0000004D
STM 550J: 0000004E
The PRODUCT_ID register contains the Product ID in ASCII format (12 characters) and al-
lows changing both manufacturer and product identification. Changing the PRODUCT_ID
will also cause the PRODUCT ID field in the NDEF string (described in chapter 8.2) to be up-
dated.
Figure 31 below shows the structure of the PRODUCT_ID register.
PRODUCT_ID
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
Manufacturer (
“
000B
”
)
Product ID
(“
0000004C
”
,
“
0000004
D” or
“
0000004
E”)
Figure 31
–
PRODUCT_ID
