SENTRY AC410x family + BT-V2.
SENTRY TABLE OF CONTENTS 1. 2. 3. 4. INTRODUCTION AND BLOCK DIAGRAM........................................................................................... 2 1.1. GENERAL INTRODUCTION ....................................................................................................................... 2 1.2. BLOCK DIAGRAM .................................................................................................................................... 3 MAIN FEATURES AND APPLICATION............
SENTRY 1. Introduction and Block Diagram 1.1. General Introduction BT-V2.0(BK3513) is a Bluetooth 2.1 class 2 modules which is a high performance, cost effective, low power and compact solution. The Bluetooth class 2 module provides a complete 2.4GHz Bluetooth system based on BK3513 chip which is a single chip radio and baseband IC for Bluetooth 2.4GHz systems. This module is fully compliant to Bluetooth v2.1 for audio communications.
SENTRY 1.2. Block Diagram AC410x family+BT-V2.
SENTRY 2. Main Features and Application 2.1. System Key Feature ● Bluetooth Class2 operation (up to 10 meters range). ● Mono codec with 1 microphone inputs. ● Radio includes integrated balun 5-band fully configurable EQ. ● compliant with the Bluetooth V2.1 protocol. ● support the Bluetooth protocol framework: HANDS-FREE PROFILE （HFP：HF）； ADVANCED AUDIO DISTRIBUTION PROFILE（A2DP：SNK）； AUDIO/VIDEO REMOTE CONTROL PROFILE（AVRCP：CT）； ● support the SBC decoding, support for stereo output with 16KHz/32KHz/44.
SENTRY 3. Technical Specifications 3.1. AC410x family Characteristics 3.1.1 General Specification Number Items Description 1 MCU 32-bit RISC CPU 2 Chipset AC410x family 3 Packaging LQFP64，LQFP48，QFN32，SOP28，SSOP24 4 Voltage 3V3~5V5 5 Temperature -20～+80 ℃ 6 Storage Temperature -40～+85 ℃ 3.1.2 Electrical Characteristics AC410x family Item Min Typ Max Unit State Working voltage +3.3 +4.2V +5.
THD +N fin=1kHz B/W=20Hz- Fsample/2 (20kHz max) FSAMPLE 2.0Vpk-pk input Analogue Gain 8kHz -- 0.08 -- % 48kHz -- 0.08 -- % 12 -- 54 dB -- -80 -- dB Analogue setting = 12dB to54dB in 1.5dB steps Mono separation (crosstalk) 3.1.4 Mono Codec: Digital to Analogue Converter Analogue to Digital Converter Parameter Conditions Min Typ Max Note Resolution --- -- -- 16 Bits Output Sample Rate,FSAMPLE -- 8 -- 96 kHz SNR THD+N fin=1kHz B/W=20Hz-20kHz A-Weighted THD+N<0.
Offset -1 -- 1 LSB Gain error -1 -- 1 % Input bandwidth -- 41.5 -- kHz Conversion time -- 14 -- µs Sample rate(b) -- -- 83k Samples/s (a)LSB size = VDD_AUX/1023 (b)The auxiliary ADC is accessed through a VM function. The sample rate given is achieved as part of this function. 3.2. BT-V2.0 Bluetooth Module Characteristics 3.2.1 General Specification Number Items Description 1 Bluetooth Standard Bluetooth v2.
4. BT-V2.0 Bluetooth Module Mechanical Dimensions and Electrical feature 4.1. BT-V2.0 Schematic 4.2. BT-V2.0 Pin Assignment AC410x family+BT-V2.
Pin No. Name Functions Description 1 GND VSS GND 2 FM-ANT 3 FM-L Analog FM left-channel Output 4 FM-R Analog FM right-channel Output 5 HOST-WAKE Output To wakeup host. Output to host. 6 BT-RX Input UART RX data input 7 BT-TX Output UART TX data output 8 PCM-SDI Input PCM data input 9 PCM-SDO Output PCM data output 10 PCM-CLK Input PCM data clk 11 PCM-SYNC Input PCM data sync 12 BT-VBAT Power Power supply input 13 32K-XO Input 32.
4.4. BT-V2.0 PCB Location Top Location: Bottom Location: AC410x family+BT-V2.
5. Recommended Reflow Temperature Profile The module must go through 125℃ baking for at least 9 hours before SMT AND IRreflow process. AC410x family+BT-V2.
6. Related recommended ● If you want to use the MIC function, in order to achieve the best sound effects, please don't take MICAnd SPK is placed in the same plane, preferably vertically placed ● Full metal shell will greatly shorten the Bluetooth transmission distance ● Bluetooth antenna below PCB plate not copper AC410x family+BT-V2.
7. Document History Revision Date V1.0 2014.12.17 V1.1 2014.03.14 AC410x family+BT-V2.
FCC Statement: This equipment has been tested and found to comply with the limits for Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Thisequipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
