Melexis DVK90132, Руководство пользователя

Страница: 5 / 18

DVK90132
MLX90132 Development kit
390129013201 Page 5 of 18 Development kit
Rev 002 May-2012
Figure 4: Schematic of board peripherals (USB, LEDs, Joystick, SDCard, JTAG …)
2.2 Bill of materials (BOM)
The table below gives an overview of all components that compose the development kit DVK90132.
Reference Value Description
C1, C6 Not Connected Antenna matching, EMI filter capacitors
C4 220pF Antenna matching network, parallel resonance capacitor Cp
C2, C7 180pF Antenna matching network, serial resonance capacitor Cs
C3 33pF VDC decoupling capacitor
C5 Not Connected Antenna matching network, parallel resonance capacitor Cp
C11 4.7uF VDD_TX decoupling capacitor
C12, C18 100nF Decoupling capacitors
C13, C15 10pF 27.12MHz crystal load capacitors
C17 1uF Decoupling capacitors
L1, L3 0R (shortcut) Antenna matching, EMI filter inductors
L2 430nH 50x38mm RFID antenna, 2 turns
L4 BLM18AG601SN1 VDD EMI filter inductor
L6 500nH 20x30mm RFID antenna, 3 turns
P2 CON_HEADER_2X5 UART/SPI connector
R2, R7 150R Antenna matching network, feedback Rx resistors
R5, R11 4.7k Pull-up resistors SSI_0 and SSI_1
R6 10k Antenna matching network, resonance damping resistor
R9 0R VDD_TX = 3V bridge resistor
R10 Not Connected VDD_TX = 5V bridge resistor
R37, R38, R39,
R40
0R Bridge resistors
SPI<->UART CON_HEADER_1X3 SPI/UART jumper selection
U2 MLX90132ELQ MLX90132 RFID/NFC reader IC
X1
NX2520SA 27.12MHz
EXS00A-CS05164
27.12MHz crystal from NDK
Table 1: DVK90132 Bill of materials “MLX90132 & Matching network”