Operation Manual

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DPT-EG-MAN-DBR31-MANDBR2-001-A5 Technical Manual
7. Led interface
Several LEDs are used to indicate the status of the board. All the LEDs are programmable, except LED “PWR” which is
directly connected to the power supply.
Signals:
Power on
RF - RF activity
DRV - Driver enabled
ACT - Program running
ERR - Error/Emergency
reporting
8. SPI Bus connector
Serial Peripheral Interface. Connector PTSM 0,5/ 6-HV-2,5
Signals:
S1
S0
SCK
nCS
GND
3V3
9. NFC interface
The board includes a 64-Kbit EEPROM for the NFC memory allowing faster data transfer between the NFC (I2C
communication) and the RF interface (NFC tag writer is recommended).
Write time:
From I2C: typical 5ms for 1 byte
From RF: typical 5ms for 1 block
10. Capacitive buttons
Used to interact with a human user.