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MC13224VR2 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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MC13224VR2 Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
2 / 48 page MC13224V Product Preview, Rev. 1.0 2 Freescale Semiconductor communications stack software. A full set of peripherals and Direct Memory Access (DMA) capability for transceiver packet data complement the processor core. The RF radio interface provides for low cost and the high density as shown in Figure 1. An onboard balun along with a TX/RX switch allows direct connection to a single-ended 50- Ω antenna. The integrated PA provides programmable output power typically from -30 dBm to +4 dBm, and the RX LNA provides -95 dBm sensitivity. In addition, separate complementary PA outputs allow use of an external PA and/or an external LNA for extended range applications. The device also has onboard bypass capacitors and crystal load capacitors for the smallest footprint in the industry. All components are integrated into the package except the crystal and antenna. Figure 1. MC13224V RF Radio Interface In addition to the best-in-class MCU performance and power, the MC13224V also provides best-in-class power savings. Typical transmit or receive current is 20 mA with the CPU at 2 MHz operation and even lower with the bus stealing enabled. Onboard power supply regulation is provided for source voltages from 2.0 Vdc to 3.6 Vdc, and the source voltage can be as low as a regulated 1.8 Vdc if the non-volatile memory is powered directly from the source. Numerous low current modes are available to maximize battery life including sleep or restricted performance operation. Applications include, but are not limited to, the following: • Residential and commercial automation — Lighting control — Security — Access control — Heating, ventilation, air-conditioning (HVAC) — Automated meter reading (AMR) ANALOG TRANSMITTER ANALOG RECEIVER RF TX/RX SWITCH BALUN LNA PA |
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