The model number "CC2500RGPR" is part of Texas Instruments and refers to a CC2500 series device. This specific part is a wireless RF transceiver chip, commonly used in low- Power wireless communication systems.
Overview of Pin Function Specifications
The CC2500RGPR is a QFN (Quad Flat No-lead) package, which is a 48-pin surface-mount package. The pin configuration and functionality must be understood for both general usage and detailed design.
Pin Function and Specifications (48 Pins)
Here is the detailed list of pins for the CC2500RGPR with their respective functions:
Pin Number Pin Name Function Description 1 VCC Power supply (3.3V or 1.8V). 2 GND Ground pin, used to complete the electrical circuit. 3 VREG Internal voltage regulator output. 4 IO2 General-purpose I/O pin 2. 5 IO1 General-purpose I/O pin 1. 6 SCLK SPI Clock input, used to synchronize communication with the microcontroller. 7 MOSI Master-Out Slave-In, SPI data input pin. 8 MISO Master-In Slave-Out, SPI data output pin. 9 CSN Chip select pin, used to select the device in SPI communication. 10 GDO0 General-purpose digital output, pin used for interrupt or data signal output. 11 GDO2 General-purpose digital output, used for communication or interrupt signals. 12 GDO1 General-purpose digital output, used for additional interrupt or data signal output. 13 ANT antenna pin, used for connecting the RF antenna. 14 PA_CTRL Power amplifier control. This pin helps configure the output power level for the RF transmission. 15 EXT_WAKE External wake-up input, can trigger the device to wake from low-power mode. 16 RESET Reset pin, used to reset the device. 17 SYNTH_OUT Frequency synthesizer output, used for tuning the radio frequency . 18 RSSI Received signal strength indicator. Used to measure the signal strength of incoming transmissions. 19 CLK Clock input pin. The device can use this clock for synchronization. 20 IO3 General-purpose I/O pin 3. 21 IO4 General-purpose I/O pin 4. 22 TST1 Test pin for internal diagnostics or troubleshooting. 23 TST2 Test pin for internal diagnostics or troubleshooting. 24 VREG_3V3 Voltage regulator pin, providing a stable 3.3V power to external components. 25 VDD_RF Power supply to the RF section of the device. 26 ANT_GND Antenna ground pin, ensures proper grounding of the RF antenna. 27 PA_OUT Power amplifier output, used for transmitting signals. 28 GND_RF Ground for the RF section of the device. 29 VBAT Battery voltage input pin, used when powering the device from a battery. 30 RF_N Negative RF input/output, used for the differential RF signal. 31 RF_P Positive RF input/output, used for the differential RF signal. 32 TX_EN Transmission enable pin, controls whether the device is in transmit mode. 33 RX_EN Receive enable pin, controls whether the device is in receive mode. 34 TX_READY Transmission ready pin, indicates the device is ready to transmit. 35 RX_READY Reception ready pin, indicates the device is ready to receive data. 36 PMIC_PWR Power management IC power supply. 37 MODE_CTRL Mode control pin for configuring the device's operation modes (transmit, receive, idle). 38 RX_DATA Data input for reception. 39 TX_DATA Data output for transmission. 40 CS_MISO Chip select for SPI MISO operations. 41 CS_MOSI Chip select for SPI MOSI operations. 42 SPARE_PIN Reserved pin for future expansion or custom functions. 43 SDO Serial data output. 44 SDI Serial data input. 45 VDD_IO I/O power supply pin. 46 VDD_3V3 3.3V power supply pin for the device. 47 VDD_1V8 1.8V power supply pin for the device. 48 GND_IO Ground pin for I/O section.20 FAQ About CC2500RGPR
Q1: What is the function of pin VCC on the CC2500RGPR? A1: VCC is the power supply pin that provides the main operating voltage (3.3V or 1.8V) to the device.
Q2: Can the CC2500RGPR be used for long-range wireless communication? A2: Yes, the CC2500RGPR is designed for low-power, long-range wireless communication, typically in the 2.4 GHz ISM band.
Q3: How do I control the output power of the CC2500RGPR? A3: You can control the output power using the PA_CTRL pin.
Q4: What is the purpose of the GDO pins on the CC2500RGPR? A4: The GDO pins (GDO0, GDO1, GDO2) are general-purpose output pins used for transmitting data or triggering interrupts.
Q5: What is the function of the RESET pin? A5: The RESET pin is used to reset the device, restoring it to its initial state.
Q6: How do I enable transmission on the CC2500RGPR? A6: You can enable transmission by setting the TX_EN pin high.
Q7: Can I measure the received signal strength with the CC2500RGPR? A7: Yes, the device includes an RSSI pin for measuring the strength of received signals.
Q8: What is the difference between the MOSI and MISO pins? A8: MOSI (Master-Out Slave-In) is used for sending data from the master to the device, while MISO (Master-In Slave-Out) is for sending data from the device to the master.
Q9: Can the CC2500RGPR be used with different microcontrollers? A9: Yes, the CC2500RGPR supports communication via SPI, making it compatible with a variety of microcontrollers.
Q10: How do I put the CC2500RGPR into a low-power state? A10: You can configure the CC2500RGPR into low-power states by controlling the mode through the MODE_CTRL pin.
Q11: Does the CC2500RGPR have an internal voltage regulator? A11: Yes, the device has an internal voltage regulator (VREG pin) to supply power to external components.
Q12: What type of antenna can be used with the CC2500RGPR? A12: The CC2500RGPR requires an antenna connected to the ANT pin, usually a 2.4 GHz antenna suitable for wireless communication.
Q13: What is the maximum data rate for the CC2500RGPR? A13: The CC2500RGPR supports data rates up to 500 kbps depending on configuration and environmental factors.
Q14: Can the CC2500RGPR be used for both transmission and reception? A14: Yes, the device is designed for both transmit and receive operations, selectable by controlling the TXEN and RXEN pins.
Q15: How do I synchronize the CC2500RGPR with a clock source? A15: The device can synchronize with an external clock via the CLK pin.
Q16: What kind of RF signal does the CC2500RGPR handle? A16: The CC2500RGPR handles differential RF signals, which are input/output via the RFP and RFN pins.
Q17: What is the purpose of the SYNTHOUT pin? A17: The SYNTHOUT pin provides the frequency synthesizer output for the device's RF operations.
Q18: How do I connect the device to an antenna for wireless communication? A18: The antenna is connected to the ANT pin, which is used for RF signal transmission and reception.
Q19: Can the CC2500RGPR support multiple wireless devices in a network? A19: Yes, the device supports multi-point communication and can work in networked configurations with multiple CC2500 devices.
Q20: How do I interface the CC2500RGPR with my microcontroller? A20: You can interface with the CC2500RGPR using the SPI pins (MOSI, MISO, SCLK, CSN) for data communication.
This detailed pin description and FAQ should help you understand the usage and functions of each pin on the CC2500RGPR device.