RED4S User’s Manuals
RED4S User’s Manuals Contents 1 1.1 2 2.1 2.2 2.3 2.4 3 Pin Description .................................................................................................................................. 3 RED4S Pin Description ....................................................................................................................... 3 Operation Method.............................................................................................................................. 5 Power Supply ...
RED4S User’s Manuals Pin Description VCC36 GND NC NC NC NC ISP_MODEb CSE 1 35 P00_RXD0 2 34 P01_TXD0 3 33 32 NC 4 5 31 6 7 30 NC RESETb SWCLK NC 8 9 P15 10 P16 P17 11 12 P12 29 28 27 26 25 NC SWDIO GND GND 23 GND NC 14 15 16 22 21 GND GND 20 VCC36P GND GND 19 13 GND GND GND RFIO 24 17 18 1 VCC36P Figure 1 Pin Description 1.1 RED4S Pin Description No.
RED4S User’s Manuals 12 P17 13 P12_SCL 14 P11_SDA 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 GND GND GND RF IO GND VCC36P VCC36P GND GND GND GND GND GND SWDIO SWCLK RESETb NC NC NC P01_TXD0 P00_RXD0 31 May 2022 Quasi-bi directional I/O port or External Interrupt 5 Quasi-bi directional I/O port I2C Clock The pull-up resistor is always switched on. Reserved Address : 0x70, 0x71 Quasi-bidirectional I/O port I2C Data In / Out The pull-up resistor is always switched on.
RED4S User’s Manuals Operation Method LDO U2 VIN VOUT 3 VCC=3.
RED4S User’s Manuals REDx Host MCU GND GND RXDx TXD TXDx RXD Figure 4 Host MCU Connection Following configuration is used for interfacing to USB transceiver.
RED4S User’s Manuals 2.3 RF In/Out RF I/O which assigned to Pin 18 is optimized with 50ohm impedance. 2.4 GUI Control The RED Utility helps the user to start working with RED DK RFID reader quickly. Follow below steps to run GUI. Windows Start button ➔ Program Menu ➔ RED Utility_vX.X.X Figure 6 RED Utility_vX.X.
RED4S User’s Manuals 2.4.1 Mode Change RED Utility provides two view modes. User can select view mode depending on purpose of use between Basic View Mode and Extended View Mode. Figure 7 Basic View Mode To change View Mode, click the extension button marked red in Figure 7 above.
RED4S User’s Manuals Figure 8 Extended View Mode Always use Extended View Mode for measurement. 2.4.2 RED4S Connection If hardware connection is valid, RED utility connect module REDx automatically. If utility cannot connect hardware, please follow below step Click “Connection->Connect” to connect to REDx-DK through USB-to-UART at main window GUI will find the Device and synchronize parameters with REDx module automatically.
RED4S User’s Manuals 2.4.3 Hardware Control Click ‘H/W Control Tab.’ To control hardware. 2.4.3.1 Band(Region) Setting To select operating band, band setting should be required. Select band in combo box and click Set button to set operating band in group box ‘Frequency Control.’ 2.4.3.2 Power Class Setting Some countries classify channel number by power class. Click Get button and choose required power class. And then click Set button to set finally. . 2.4.3.
RED4S User’s Manuals 2.4.4 Tag Inventory Procedure Click Start button in Tag Information Tab to read UHF RFID tag with RED Utility. Click Start button and Tag’s EPC information is displayed.
RED4S User’s Manuals 3 Specification Item Unit 1 2 3 4 Frequency Range Tx Power Spurious Impedance VCC36P DC Power VCC36 Operating Temperature Operating Humidity Power Down Current Idle Active MHz dBm dBm Ω 9 Size mm 24.0 * 24.0 * 3.0 10 Weight g 3 5 6 7 8 Test Condition Specification Typ. max No. 917.1 26 mA 926.9 27 Remark PEAK US (FCC 15C) 3.3 3.3 -20 0 V °C % uA min Active current is measured at 25dBm with 50ohm load 50 3.6 RF I/O 4.2 3.
RED4S User’s Manuals This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: (1) the device may not cause interference, and (2) the device must accept any interference, including interference that may cause undesired operation of this device.
RED4S User’s Manuals This module has to be installed with the input voltage 3.3V, because there is no regulator in the device. This device may only operate using an antenna of a type and maximum (or lesser) gain approved by Phychips. Antenna types not included in the list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this transmitter. Note Peak Gain Part Name ANT 3.
