B91 Wearable EVK V5.0 User Guide AN-21011301-E1 Ver.1.0.0 2021/01/13 Keyword Features, Pin layout, Audio, Amoled Brief This is a user guide for B91 wearable EVK V5.0. This document is dedicated for wearable application development based on TLSR9518A SoC.
Wearable EVK User Guide Published by Telink Semiconductor Bldg 3, 1500 Zuchongzhi Rd, Zhangjiang Hi-Tech Park, Shanghai, China © Telink Semiconductor All Right Reserved Legal Disclaimer This document is provided as-is. Telink Semiconductor reserves the right to make improvements without further notice to this document or any products herein. This document may contain technical inaccuracies or typographical errors.
Wearable EVK User Guide Revision History Version 0.2 (2020-09-29) Section Change Description Version 0.1.0 (2020-08-26) This is the Initial release. AN-21011301-E1 2 Ver.1.0.
Wearable EVK User Guide Contents Revision History............................................................................................................................................................................. 2 Contents.........................................................................................................................................................................................3 List of Figures............................................................................
Wearable EVK User Guide 2.3 RF PA..................................................................................................................................................................................30 3. Bluetooth RF path selection.....................................................................................................................................................32 3.1 Chose onboard antenna..........................................................................................
Wearable EVK User Guide List of Figures Figure 1-1 TLSR9518A Block diagram (without internal flash)...........................................................................................9 Figure 1-2 EVK Hardware interface...................................................................................................................................10 Figure 1-3 EVK photo....................................................................................................................................
Wearable EVK User Guide Figure 6-1 Schematic........................................................................................................................................................ 40 AN-21011301-E1 6 Ver.1.0.
Wearable EVK User Guide List of Tables Table 1-1 J58 JTAG pin header...............................................................................................................................................14 Table 1-2 J75 SWS pin header...............................................................................................................................................15 Table 1-3 J22 LCD screen connector.........................................................................................
Wearable EVK User Guide 1. Product Introduction This is a user guide document for Telink B91 wearable EVK5.0. A 454*454 amoled screen is placed on the EVK, which users can use to develop GUI. At the same time, a g-sensor chip is placed to facilitate user development of scenes. In addition, heart rate interface and motor interface are reserved. EVK also supports audio scene development. 1.
Wearable EVK User Guide Figure 1-1 TLSR9518A Block diagram (without internal flash) AN-21011301-E1 9 Ver.1.0.
Wearable EVK User Guide Figure 1-2 EVK Hardware interface 1.2 Key Features 1. 2. TLSR9518A Embedded 32-bit RISC-V micro-controller • Better power-balanced performance than ARM M4 • Instruction and Data cache controller • Maximum running speed up to 96 MHz • Integrated DSP extensions instructions • Integrated “F” standard extensions for single-precision floating-point Bluetooth Compliant • BR, EDR 2 Mbps and 3 Mbps • BLE 1 Mbps and 2 Mbps, Long Range 125 kbps and 500 kbps 3.
Wearable EVK User Guide 6.
Wearable EVK User Guide Figure 1-3 EVK photo AN-21011301-E1 12 Ver.1.0.
Wearable EVK User Guide Figure 1-4 Mechanical dimensions 1.4 Pin layout 1.4.1 Debug interface AN-21011301-E1 13 Ver.1.0.
Wearable EVK User Guide Figure 1-5 Debug pin layout Pin definition is shown as the Table 1-1 and Table 1-2: Table 1-1 J58 JTAG pin header Pin No Pin Name Pin Description 1 NA NC 2 NA NC 3 NA Connect to GND of TLSR9 DEV KEY 4 NA Connect to TMS of TLSR9 DEV KEY 5 NA Connect to GND of TLSR9 DEV KEY 6 NA Connect to TCK of TLSR9 DEV KEY AN-21011301-E1 14 Ver.1.0.
Wearable EVK User Guide 7 NA TLSR9 DEV KEY 3V3 reference voltage input from EVK 8 NA TLSR9 DEV KEY 5V voltage output to EVK 9 NA Connect to GND of TLSR9 DEV KEY 10 NA Connect to GND of TLSR9 DEV KEY 11 NA Connect to TDO of TLSR9 DEV KEY 12 NA Connect to TDI of TLSR9 DEV KEY Table 1-2 J75 SWS pin header Pin No Pin Name Pin Description 1 NA Telink Burning Board 5V voltage output to EVK 2 NA Telink Burning Board 3V3 voltage output to EVK 3 NA Connect to SWM of Telink Burning Boa
Wearable EVK User Guide 1.4.2 Screen Interface Figure 1-6 Screen pin layout Pin definition is shown as the Table1-2 and Table1-3 and Table1-4: Table 1-3 J22 LCD screen connector Pin No Pin Name Pin Description 1 LEDK1 LED negative pole 2 LEDK2 LED negative pole 3 GND Ground 4 GND Ground AN-21011301-E1 16 Ver.1.0.
Wearable EVK User Guide 5 TE NC 6 SDA HSPI_SDO 7 A0 HSPI_SDI 8 SCLK HSPI_SCLK 9 CS HSPI_CS 10 RESET Signal is active low 11 IOVCC18 3.3V supply 12 VCC28 3.3V supply 13 VCC28 3.3V supply 14 LEDA1 3.3V supply 15 LEDA2 3.3V supply Table 1-4 CON1 LCD TP connector Pin No Pin Name Pin Description 1 VDD 3.3V supply 2 TP_SCL I2C_SCL 3 TP_SDA I2C_SDA 4 TP_INT TP module IRQ output 5 TP_RST Signal is active low AN-21011301-E1 17 Ver.1.0.
Wearable EVK User Guide 6 GND Ground 7 GND Ground 8 GND Ground 9 GND Ground 10 GND Ground Table 1-5 J56 Amoled Screen connector Pin No Pin Name Pin Description 1 RESET Device reset signal(0:enable;1:disable) 2 VCI_EN Enable signal for pwr IC control(1:enable) 3 MTP_PWR NC 4 D0 Bit data bus/Input data bus for QSPI 5 TE Output a frame head pulse signal 6 D1 Bit data bus/Input data bus for QSPI 7 CSX Chip select signal input 8 D2 Bit data bus 9 SCL Serial interfac
Wearable EVK User Guide 12 D4 Bit data bus 13 SD1 Serial input signal in serial interface mode 14 D5 Bit data bus 15 SD0 Serial output signal in serial interface mode 16 D6 Bit data bus 17 IM1 Interface type selection 18 D7 Bit data bus 19 IM0 Interface type selection 20 IOVCC Power Supply for I/O system 21 VBAT Driver analog power supply 22 GND Ground 23 VBAT Driver analog power supply 24 GND Ground 1.4.
Wearable EVK User Guide Figure 1-7 Heart rate pin layout Pin definition is shown as the Table1-5 and table1-6: Table 1-6 J4 heart rate connector Pin No Pin Name Pin Description 1 NA Ground 2 NA IRQ output 3 NA NC 4 NA 3.3V supply 5 NA I2C_SDA 6 NA I2C_SCL AN-21011301-E1 20 Ver.1.0.
Wearable EVK User Guide Table 1-7 J7 heart rate connector Pin No Pin Name Pin Description 1 NC Ground 2 NC 3.3V supply 3 NC IRQ output 4 NC I2C_SDA 5 NC I2C_SCL 6 NC Ground AN-21011301-E1 21 Ver.1.0.
Wearable EVK User Guide 1.4.4 Motor Interface Figure 1-8 Motor pin layout Pin definition is shown as the Table1-7: Table 1-8 J3 Motor pin header Pin No Pin Name Pin Description 1 NC Connect to motor 2 NC Connect to motor 1.4.5 Speaker Interface EVK has 2 speaker connectors, one is the 9518A main chip analog output (Speaker1), and the other is the i2s interface through smartPA output (Speaker2) AN-21011301-E1 22 Ver.1.0.
Wearable EVK User Guide Figure 1-9 Speaker pin layout Pin definition is shown as the Table1-8 and Table1-9: Table 1-9 J14 speaker pin header Pin No Pin Name Pin Description 1 NC Left channel negative headphone output 2 NC Left channel positive headphone output Table 1-10 J59 speaker pin header Pin No Pin Name Pin Description 1 NC OUTP of TFA9894 2 NC OUTN of TFA9894 AN-21011301-E1 23 Ver.1.0.
Wearable EVK User Guide 1.4.6 Lion-Battery Interface Figure 1-10 Lion-Battery pin layout Pin definition is shown as the Table1-9: Table 1-11 J9 battery pin header Pin No Pin Name Pin Description 1 NC Lion-Battery positive 2 NC Lion-Battery negative AN-21011301-E1 24 Ver.1.0.
Wearable EVK User Guide 2. Jumper Connection Guide There are 3 parts of EVK that use jumper, namely power supply, LED, RF PA. 2.1 Power Supply There are four methods supported to supply power for the EVK. • Via Telink Burning Board • Via TLSR9 DEV KEY • Via usb • Via li battery 2.1.1 Via Telink Burning Board Power Supply TLSR9518A power supply: 1. 3V3/SWS/GND of J75 corresponds to Burning Board 3V3/SWM/GND; 2. J74 short connection; 3.
Wearable EVK User Guide Figure 2-1 Via Telink Burning Board Power Supply 2.1.2 Via TLSR9 DEV KEY Power Supply TLSR9518A power supply: 1. J58 connects to TLSR9 DEV KEY through proprietary DuPont wires; 2. J65 short connection; 3. Short connect the "TL_VBAT" of J5; 4. Short connect the "BAT_LDO_3V3" of J5; 5. J19 short connection; Simultaneously supply power to peripheral modules (3V3): 6.
Wearable EVK User Guide Figure 2-2 Via TLSR9 DEV KEY Power Supply 2.1.3 Via USB 1. J8 is connected to a power adapter or PC through a USB cable; 2. J65 short connection; 3. Short connect the "TL_VBAT" of J5; 4. J19 short connection; 5. Short connect the "BAT_LDO_3V3" of J5; 6. According to the silk screen on the back of J5, short connect correspondingly to supply power to the peripheral module; AN-21011301-E1 27 Ver.1.0.
Wearable EVK User Guide Figure 2-3 Via USB Power Supply 2.1.4 Via LI Battery 1. Connect J9 to LI battery (note the positive and negative poles); 2. Short connect “TL_VBAT” of J5; 3. J19 short connection; 4. Short connect “BAT_LDO_3V3” of J5; 5. According to the silk screen on the back of J5, short connect correspondingly to supply power to the peripheral module; AN-21011301-E1 28 Ver.1.0.
Wearable EVK User Guide Figure 2-4 Via LI Battery Power Supply . AN-21011301-E1 29 Ver.1.0.
Wearable EVK User Guide 2.2 LED Short J16 to light D14, short J18 to light D16. Figure 2-5 LED Jumper 2.3 RF PA In order to facilitate manual debugging of the PA, EVK reserves TXEN, RXEN, BYPASS up and down jumpers. • Pin1 and pin2 of J70 are short-circuited, PD7 is pulled up to 3V3 (TXEN=1), pin2 and pin3 are short-circuited, and PD7 is pulled down to GND (TXEN=0). • Pin1 and pin2 of J71 are shorted, PD6 is pulled up to 3V3 (RXEN=1), pin2 and pin3 are shorted, PD6 is pulled down to GND (RXEN=0).
Wearable EVK User Guide 1 X X TX Mode 0 1 NC/0 RX Mode 0 1 1 Bypass Mode 0 0 0 Shutdown Note EVK is soldered by KCT8201L by default. If it is another type of chip, the control logic will be different from the above table. AN-21011301-E1 31 Ver.1.0.
Wearable EVK User Guide 3. Bluetooth RF path selection EVK has designed two RF paths, one is from the 9518 ANT pin to the onboard antenna through the LC matching circuit.The other is that the 9518 ANT pin comes out through the RF PA to the SMA connector, and then connects to the 2.4G whip antenna. 3.1 Chose onboard antenna R51 does not place components (NC), R52 and L7 place 0R resistors. Figure 3-1 Chose onboard antenna 3.2 Chose 2.
Wearable EVK User Guide Figure 3-2 Chose 2.4G glue stick antenna AN-21011301-E1 33 Ver.1.0.
Wearable EVK User Guide 4. Download Firmware 4.1 Download Via Telink Burning Board Follow the steps below to download the program to the TLSR9518A chip: 1. Connect to EVK via Telink Burning Board(refer to 2.1.1); 2. From Telink website Download the BDT tool; 3. Download the BIN file according to the introduction of Step2 on the page; Note http://wiki.telink-semi.cn/wiki/IDE-and-Tools/Burning-and-Debugging-Tools-for-all-Series/; 4.
Wearable EVK User Guide 5. Demo Firmware Instruction Currently, two demo firmwares are provided, and users can realize simple functions after burning them to EVK. 5.1 ”_proj_smart_watch_ nosniff.bin” Feature: • Realize the connection with the mobile phone to make calls and play music operations. • Realize the connection with the headset and make a call. 5.1.1 How to connect EVK to phone 1. Download the BIN file to EVK(refer to chapter4); Figure 5-1 Firmware download success 2.
Wearable EVK User Guide Figure 5-2 Find the device 4. Connect the device on the mobile phone; AN-21011301-E1 36 Ver.1.0.
Wearable EVK User Guide Figure 5-3 Connect device success 5. Make calls and play music operations; 5.1.2 How to connect EVK to headset 1. First,re-power on EVK or short press sw1 (reset) ; 2. Leave the headset in pairing state; 3. Double-click sw4, EVK will start scanning and automatically connect the headset; 4. Double click SW5, EVK and headset realize the call, single click SW5 to hang up; Figure 5-4 Audio components Note AN-21011301-E1 37 Ver.1.0.
Wearable EVK User Guide Currently, this program does not support local music playback, and will support it in the future.If users need ,please confirm with Telink FAE. 5.2 ”B91_SPI_Demo.bin” Feature: • Realize amoled screen display. Intructions: 1. Download the BIN file to EVK(refer to chapter4); Figure 5-5 Firmware download success 2. Power on peripheral modules(Refer to 2.1.1); 3. Re-power on EVK or short press sw1 (reset) to let the chip program run; 4.
Wearable EVK User Guide Figure 5-6 Amoled display confidential AN-21011301-E1 39 Ver.1.0.
Wearable EVK User Guide 6. Reference Design 6.1 Schematic Figure 6-1 Schematic confidential AN-21011301-E1 40 Ver.1.0.
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Wearable EVK User Guide 6.2 Bill Of Materials confidential AN-21011301-E1 47 Ver.1.0.
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Wearable EVK User Guide FCC Statement 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.
