Telink TLSR9517CDK56D Dongle User Manual

Telink EVB TLSR9517CDK56D
User Manual
AN-20082700-E1

Keyword
Feature;2.4GHz; User manual
Brief
This is a user manual for Telink TLSR9517C EVB
Published by
Telink Semiconductor
Bldg 3, 1500 Zuchongzhi Rd,
Zhangjiang Hi-Tech Park, Shanghai, China
© Telink Semiconductor
All Right Reserved

Legal Disclaimer
The information contained in this document is confidential, privileged, and proprietary to Telink Semiconductor (Shanghai) Co, Ltd. and its related entities (“Telink”). The use and dissemination of this document is governed by the confidentiality/non-disclosure/disclaimer statement herein. Information in this document is intended for use by the intended recipient. This document may not be used, disclosed, published, disseminated, copied or distributed to any third party other than the intended recipient without the prior written consent of Telink which may be withheld in Telink’s sole discretion. Under no circumstances may this document be disclosed to a competitor of Telink. Any unauthorized use or disclosure is strictly prohibited.
Copyright © 2020 Telink Semiconductor (Shanghai) Ltd, Co.
Information
For further information on the technology, product, and business term, please contact Telink Semiconductor Company (www.telink-semi.com).
For sales or technical support, please send an email to the address of: telinkcnsales@telink-semi.com
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Revision History

Product Introduction

This is a user manual for Telink Audio EVB TLSR9517CDK56D.
1.1 General description
The Telink dongle TLSR9517CDK56D, which is based on the Telink TLSR9517C chip.
The TLSR9517C supports standards and industrial alliance specifications including Bluetooth 5.2, LE, The TLSR9517C combines the features and features needed for high-quality wireless audio equipment into a single SoC.
1.2 Key features
1.2.1 RF Features

1. Bluetooth
2. Bluetooth Compliant, BLE 1 Mbps and 2 Mbps
3. Tx output power: up to +10 dBm @ BR/BLE mode
4.  RSSI monitoring with +/-1 dB resolution

1.2.2 Power Management Features

1.  Low power controller by near-threshold level power consumption
2.  Standalone Linear Li-Ion battery charger with Thermal Regulation
3. Brownout detection/shutoff and Power-On-Reset
4. Multiple-power-state to optimize power consumption

1.2.3 Audio Mode Features

1. Differential Input DirectDrive Line Drivers/Headphone Amplifiers
2. Support Audio input/output of 8-pin Audio Jack and support input for instrument testing of 8-pin Audio Jack
3.  Two onboard A-MIC, support audio input
4. Mode switch, which can support three different modes

User manual

2.1 Supply power
The TLSR9517CDK56D supports supply power via USB or other 3.3V power.
As shown in figure 2-1, the marker is the USB port. Power can be supplied when a USB is plugged in.

Figure 2-1 USB power supply
As shown in Figures 2-2, the marker is the 3.3V and GND port. 3.3V power can be supplied through the two ports.

Figure 2-2 3.3V power supply
As shown in Figures 2-3, the marker is the battery port. 3.3V-4.2V power can be supplied through the port.

2.2 Download firmware
There are also two ways to download firmware, USB burning or SWS burning. But need another burning tool Telink Burning EVK. Telink Burning EVK has a USB port and 3.3V/SWS/GND port. When using USB download firmware, just plug dongle USB in Burning EVK. When using SWS download firmware, connect 3.3V/SWS/GND of the dongle to 3.3V/SWM/GND of Burning EVK.

2.3 Functions of each module
As shown in Figures 2-4, The functions of each module on the board have been marked.
There are LED, key, ANT, I2S port, and debug port on board. The LED lights can indicate what status the TLSR9517CDK56D is in. The key allows us to control TLSR9517CDK56D. We can use debug port to debug TLSR9517CDK56D. We can input/output I2S data through the I2S part.
The TLSR9517CDK56D supports audio line-in/out and mic-in functions. Realize these functions according to different software configurations.
As shown in Figure 2-5, we can use the Audio Mode switch shown in Figure 1-4 to switch between different audio modes.

Figure 2-4 Function modules on the board

This audio holder is for test use, Not, controlled by a transfer switch, Support test instrument input.
This audio holder supports single-end headphone output, board A-MIC input, and headphone MIC input. Mode switching is shown on the right.

| Mode 1 Only support line-out
---|---
| Mode 3 Support line-in/out
| Mode 2 Support line-in and board MIC input, support line-out

Figure 2-5 Audio mode
FCC Statement：
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment 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. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
– Reorient the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

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