PRM90U21C User’s Manual Prepared by PHYCHIPS
Overview • The PRM90U21C is a UHF RFID Reader hybrid module which integrates high performance UHF RFID reader chipset, VC-TCXO, Low Drop Regulator, Balun, Coupler, Saw filter, Power amp, Isolator and low pass filter. • UHF RFID reader chipset uses PR9000 of PHYCHIPS which integrates 900MHz radio, baseband processor, industry standard enhanced 8052 MCU, memory (64k Flash & 16k SRAM) and many other features.
Pin Description 3 CONFIDENTIAL
Pin Description J1 (Part No. : 88511-1201-001 by Aces) No. 1 2 3 4 5 Pin Name VDD_33 VDD_33 TXD1 RXD1 GND 6 I2C_SCL 7 I2C_SDA 8 9 10 11 12 P1.4 P1.5 P1.6 RESETb GND Description 3.3V DC Power for Power Amp(Max. 500mA) 3.3V DC Power Supply for SOC(Max. 150mA) Quasi-bidirectional I/O port or Serial Port 1 Output Quasi-bidirectional I/O port or Serial Port 1 Input Ground I/O for I2C. The pull-up resistor is always switched on. This port is quasi-bidirectional I/O for I2C.
Application Circuit 5 CONFIDENTIAL
UART Connection • The serial interface assigned to two pins. RXD1is for receiving command from host and TXD1 is for transmitting response to host. Pin connection is shown as below figure.
Using GUI • Connect PC to Reader Module by UART Controller USB 7 CONFIDENTIAL
Using GUI • The GUI is for the user to be able to quickly get started working with PRM90U21C RFID reader. To run the GUI, click the Windows start button, Program menu, Phychips, PR9000 SDK. After start-up, a window will be opened as shown below.
Using GUI • Serial Port Control – Serial port is controlled by below menu. – To open serial port, click Open menu. – To close serial port, click Close menu. • Serial Port Configurations – Port number is selectable from COM1 upto COM9.
Using GUI CW Mode 2 1. Port Setting Baud Rate : 19200 Data Bits : 8 Parity : None Stop Bit : 1 2. Click to Open 3. Select Region : Europe 4. Click to Set Button 5. Select Channel 6. Click to Set Button 7. Select Tx Power : 1dBm 8. Click to Set Button 9.
Using GUI Read/Write Mode 5. Click to TAG Information tab. 6.
• • • • • • • • • • • • FCC Information to User This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
