CC1070EM-868

CC1070 CC1070 Single Chip Low Power RF Transmitter for Narrowband Systems Applications • Narrowband low power UHF wireless data transmitters • 402 / 424 / 426 / 429 / 433 / 447 / 449 / 469 / 868 and 915 MHz ISM/SRD band systems • TPMS – Tire Pressure Monitoring Systems • • • • AMR – Automatic Meter Reading Wireless alarm and security systems Home automation Low power telemetry Product Description CC1070 is a true single-chip UHF transmitter designed for very low power and very low voltage wireless applications. The circuit is mainly intended for the ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency bands at 402, 424, 426, 429, 433, 447, 449, 469, 868 and 915 MHz, but can easily be programmed for multi-channel operation at other frequencies in the 402 470 and 804 - 940 MHz range. CC1070 will be used together with a microcontroller and a few external passive components. The CC1070 is especially suited for narrowband systems with channel spacings of 12.5 or 25 kHz complying with ARIB STD T-67 and EN 300 220. The CC1070 main operating parameters can be programmed via a serial bus, thus making CC1070 a very flexible and easy to use transmitter. In a typical application Features • True single chip UHF RF transmitter • Frequency range 402 - 470 MHz and 804 - 940 MHz • Programmable output power • Low supply voltage (2.3 to 3.6 V) • Very few external components required • Small size (QFN 20 package) • Pb-free package • Data rate up to 153.6 kBaud • OOK, FSK and GFSK data modulation • Fully on-chip VCO SWRS043A • Programmable frequency makes crystal temperature drift compensation possible without TCXO • Suitable for frequency hopping systems • Suited for systems targeting compliance with EN 300 220, FCC CFR47 part 15 and ARIB STD T-67 • Development kit available • Easy-to-use software for generating the CC1070 configuration data Page 1 of 54 CC1070 Table of Contents 1 Abbreviations................................................................................................................ 4 2 Absolute Maximum Ratings ........................................................................................ 5 3 Operating Conditions ................................................................................................... 5 4 Electrical Specifications .............................................................................................. 5 4.1 RF Transmit Section ............................................................................................ 6 4.2 Crystal Oscillator Section..................................................................................... 8 4.3 Frequency Synthesizer Section ........................................................................... 9 4.4 Digital Inputs / Outputs ...................................................................................... 10 4.5 Current Consumption......................................................................................... 11 5 Pin Assignment........................................................................................................... 12 6 Circuit Description...................................................................................................... 13 7 Application Circuit...................................................................................................... 13 8 Configuration Overview ............................................................................................. 16 8.1 9 Configuration Software ...................................................................................... 16 Microcontroller Interface ........................................................................................... 17 9.1 4-wire Serial Configuration Interface ................................................................. 18 9.2 Signal Interface .................................................................................................. 20 10 Data Rate Programming............................................................................................. 22 11 Frequency Programming ........................................................................................... 23 11.1 12 Dithering ......................................................................................................... 24 Transmitter .................................................................................................................. 24 12.1 FSK Modulation Formats ............................................................................... 24 12.2 OOK Modulation............................................................................................. 24 12.3 Output Power Programming........................................................................... 25 12.4 TX Data Latency............................................................................................. 26 12.5 Reducing Spurious Emission and Modulation Bandwidth ............................. 26 13 Output Matching and Filtering .................................................................................. 26 14 Frequency Synthesizer .............................................................................................. 29 14.1 VCO, Charge Pump and PLL Loop Filter....................................................... 29 14.2 VCO and PLL Self-Calibration ....................................................................... 30 14.3 PLL Turn-on Time versus Loop Filter Bandwidth .......................................... 31 14.4 PLL Lock Time versus Loop Filter Bandwidth ............................................... 32 15 VCO Current Control .................................................................................................. 32 16 Power Management.................................................................................................... 33 17 Crystal Oscillator ........................................................................................................ 34 18 Built-in Test Pattern Generator ................................................................................. 36 SWRS043A Page 2 of 54 CC1070 19 Interrupt upon PLL Lock ............................................................................................ 36 20 PA_EN Digital Output Pin .......................................................................................... 36 20.1 Interfacing an External PA ............................................................................. 36 20.2 General Purpose Output Control Pins ........................................................... 36 20.3 PA_EN Pin Drive ............................................................................................ 37 21 System Considerations and Guidelines................................................................... 37 22 PCB Layout Recommendations ................................................................................ 39 23 Antenna Considerations ............................................................................................ 39 24 Configuration Registers............................................................................................. 40 24.1 25 CC1070 Register Overview............................................................................ 41 Package Marking ........................................................................................................ 52 25.1 Soldering Information ..................................................................................... 52 25.2 Tray Specification........................................................................................... 52 25.3 Carrier Tape and Reel Specification .............................................................. 52 26 Ordering Information.................................................................................................. 53 27 General Information.................................................................................................... 54 SWRS043A Page 3 of 54 CC1070 1 Abbreviations ACP AMR ASK BOM bps BT CW DNM ESR FHSS FM FS FSK GFSK IC ISM kbps MCU NA NRZ OOK PA PD PCB PN9 PLL PSEL RF SPI SRD TBD TX UHF VCO XOSC XTAL Adjacent Channel Power Automatic Meter Reading Amplitude Shift Keying Bill Of Materials bits per second Bandwidth-Time product (for GFSK) Continuous Wave Do Not Mount Equivalent Series Resistance Frequency Hopping Spread Spectrum Frequency Modulation Frequency Synthesizer Frequency Shift Keying Gaussian Frequency Shift Keying Integrated Circuit Industrial Scientific Medical kilo bits per second Micro Controller Unit Not Applicable Non Return to Zero On-Off Keying Power Amplifier Phase Detector / Power Down Printed Circuit Board Pseudo-random Bit Sequence (9-bit) Phase Locked Loop Program Select Radio Frequency Serial Peripheral Interface Short Range Device To Be Decided/Defined Transmit (mode) Ultra High Frequency Voltage Controlled Oscillator Crystal oscillator Crystal SWRS043A Page 4 of 54 CC1070 2 Absolute Maximum Ratings The absolute maximum ratings given Table 1 should under no circumstances be violated. Stress exceeding one or more of the limiting values may cause permanent damage to the device. Min Max Unit Supply voltage, VDD Parameter -0.3 5.0 V Voltage on any pin Storage temperature range Package body temperature Humidity non-condensing ESD -0.3 -50 VDD+0.3, max 5.0 150 260 85 500 V °C °C % V 5 Condition All supply pins must have the same voltage Norm: IPC/JEDEC J-STD-020C 1 CDM model Table 1. Absolute maximum ratings 1 The reflow peak soldering temperature (body temperature) is specified according to IPC/JEDEC J-STD-020 “Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices”. Caution! ESD sensitive device. Precaution should be used when handling the device in order to prevent permanent damage. 3 Operating Conditions The operating conditions for CC1070 are listed in Table 2. Parameter Min Typ Max Unit RF Frequency Range 402 804 470 940 MHz MHz Operating ambient temperature range -40 105 °C Supply voltage 2.3 3.6 V 3.0 Condition / Note Programmable in