User's Manual

USER MANUAL

PTM 215B – 2.4 GHZ Pusbutton Transmitter Module

2.11.4.1 PIN Code

Protected data access is only possible after unlocking the configuration memory with the

correct 32 bit PIN code.

By default, the protected area is locked and the default pin code for unlocking access is

0x0000E215. This pin code should be changed to a user-defined value as part of any NFC-

based installation process.

2.11.4.1 Modifying product parameters

Modifying (writing) PTM 215B the following product parameters is not directly possible:

n Static Source Address

n Product ID

n Security Key

In order to modify these parameters, the user has to write the new value into specific reg-

isters (Source Address Write, Product ID Write and Security Key Write) in the protected

data area and set the according Update flag in the Configuration register.

2.11.4.2 Source Address Write register

The Source Address Write register is 6 byte wide and can be used to modify the PTM 215B

source address.

In order to do so, follow these steps:

1. Write new source address into the Source Address Write register

2. Set the Update Source Address flag in the Configuration register to 0b1

3. Actuate (press and release) PTM 215B

PTM 215B will determine that it should modify the source address based on the setting of

the Update Source Address flag and copy the value of the Source Address Write register to

the Source Address register.

After successful execution, PTM 215B will clear the Update Source Address flag to 0b0.