CC Texas Instruments RF Transceiver datasheet, inventory, & pricing. CC The CC is a low cost true single chip UHF transceiver designed for very low power wireless applications. The circuit is mainly intended for the ISM. Highly Integrated MultiCh RF Transceiver Designed for Low-Power Wireless Apps. Datasheet Texas Instruments CC
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This will obviously make the layout a little more complicated, but extra effort will be appreciated when the circuit performs as expected without troubleshooting and modifications to the PCB.
The following sections will provide descriptions of the more important sections along with pictures showing the recommended and not recommended ways of configuring them. This would allow for the traces to be of equal length and shape. Design and layout is an art form, and never more so than when you are designing an RF circuit.
Recommended PCB Layout for QLP 20 Package TI notes that this diagram is an illustration only and not to scale, and that there are five 10 mil via holes distributed symmetrically in the ground pad under the package that are not shown in the diagram. However, the trace widths for the filter balun section itself should be as wide as possible without requiring a resize at the pads of the filter balun components in other words, you should make the traces from the CC to the filter inductors the same width as the CC pads.
Hardcover – pages June The versatility of this chip is enhanced by its integrated and highly configurable baseband modem, which supports a number of different modulation formats and data rates.
While the advice presented here may seem simple, failure to apply these techniques may result in a circuit that does not perform as desired.
Note that the humidity sensor is optional and by default it is not build on the WSN node. The Texas Instruments MSP family of ultralow power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The CC also provides hardware support for packet handling, data buffering, burst transmissions, clear channel assessment, link quality indication, and wake-on-radio. In designing circuits using their components, Texas Instruments’ website provides very helpful documentation and design examples.
The trace width needs to be set based on the thickness of the dielectric and maintained up to the antenna. The DS’s registration number is a factory-lasered, bit ROM that includes a unique bit serial number, an 8-bit CRC, and an 8-bit family code 01h.
Hardcover – pages August Thus, the whole memory can be viewed as consisting of pages, or 1, bytes.
This chip is an inexpensive and very versatile sub-1GHz transceiver that is aimed at ultra-low power wireless applications in a variety of frequency bands. With a multi-layer board, the first inner layer can be a solid plane, which will accomplish this cc1100 rather easily. The MCP combines constant voltage, constant current regulation, cell preconditioning, cell temperature monitoring, advanced safety timers, automatic charge termination, and charge status and fault indication.
By taking the time apply these techniques, hopefully, it will save you some layout mistakes and reworks, and thus reduce both development datasheft and costs.
As an example, when placing the LPF inductors that connect directly to the CC, it would be better to have both set slightly off from the pins.
Filter Topology One of the key pieces of a design using the CC is the filter balun. Second it provides a low pass filter. Do not simply connect the two pins together and then route a single trace to the two capacitors. DS provides an absolutely unique identity. Layout Resources from Pegasus Technologies. Schematic of the WSN board TI also continuously works to improve their reference designs.
For more information on the MCP linear charge management controller, the datasheet can be found at Microchip. As with the filter balun section, datashert ground plane below the trace must be solid up to the antenna.
Chapter III. WSN Schematic
Because the CC packaging has pins on all four sides, it can be difficult to connect things such as power. Each page is bytes wide.
The pin-for-pin and code compatible CC has better spurious response and improved close-in phase noise for adjacent channel performance. The current version for the CC is CC First it converts the balanced RF signals from the CC into an unbalanced signal. The design of the filter balun accomplishes three main tasks. The digitally controlled oscillator DCO allows wake-up from low-power modes to active mode in less than 6ms.
CC Datasheet, PDF – Alldatasheet
It is often necessary to switch between layers in order access all of the connections required. When pins are located next to each other and have a capacitor associated with each one, these components must be connected individually.
The memory can be programmed 1 to bytes at a time, using the Page Program instruction. At the present time Augustthree designs have been published for the CC chip, but the first two are no longer recommended.
The memory is organized as 16 sectors, each containing pages. The preferred method is to route bottom side traces on the opposite side of the CC from the RF outputs. Depending on the style of antenna, the ground plane may or may not need to be removed at the antenna itself.