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ATSAMB11XR bảng dữ liệu(PDF) 32 Page - Microchip Technology

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Giải thích chi tiết về linh kiện  Ultra Low Power BLE 4.1 SiP/Module
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8.
Bluetooth Low Energy (BLE) Subsystem
The BLE subsystem implements all the critical real-time functions required for full compliance with
specification of the Bluetooth System, v4.1, Bluetooth SIG.
It consists of a Bluetooth 4.1 baseband controller (core), radio transceiver and the Microchip Bluetooth
Smart Stack, the BLE Software Platform.
8.1
BLE Core
The baseband controller consists of a modem and a Medium Access Controller (MAC) through which it
encodes and decodes HCI packets. In addition, it constructs baseband data packages and schedules
frames, and manages and monitors connection status, slot usage, data flow, routing, segmentation and
buffer control.
The core performs Link Control Layer management supporting the main BLE states, including advertising
and connection.
8.2
Features
•
Broadcaster, Central, Observer, Peripheral
•
Simultaneous Master and Slave operation, connect up to eight connections
•
Frequency Hopping
•
Advertising/Data/Control packet types
•
Encryption (AES-128, SHA-256)
•
Bitstream processing (CRC, whitening)
•
Operating clock 52 MHz
8.3
BLE Radio
The radio consists of a fully integrated transceiver, Low Noise Amplifier, Receive (RX) down converter,
analog baseband processing, Phase Locked Loop (PLL), Transmit (TX) Power Amplifier, and Transmit/
Receive switch. At the RF front end, no external RF components on the PCB are required other than the
antenna and a matching component.
Table 8-1. ATSAMB11 BLE Radio features and properties
Feature
Description
Part Number
ATSAMB11-XR2100A and ATSAMB11-ZR210CA
BLE Standard
Bluetooth V4.1 – Bluetooth Low Energy
Frequency range
2402 MHz to 2480 MHz
Number of channels
40
Modulation
GFSK
Data rate
1 Mbps
ATSAMB11XR/ZR
© 2017 Microchip Technology Inc.
Datasheet Preliminary
DS70005342A-page 32



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