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Owner's Manual for Zopu models including: 2AY57-ZP-8251, 2AY57ZP8251, ZP-8251 Bluetooth Module, ZP-8251, Bluetooth Module, Module
Shenzhen Zhuopu Digital Technology Co., Ltd. ZP-8251 Bluetooth Module 2AY57-ZP-8251 2AY57ZP8251 zp 8251
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DocumentDocumentShenzhen Zopu Digital Technology Co., Ltd. ZP-8251 Bluetooth M odule Specification Version: V0.1 Revision Date: 2025-03-19 Copyright © Shenzhen Zopu Digital Technology Co., Ltd Pag e 1 o f 8 Table of Contents 1 Product Int roduct ion............................................................................................................................. 3 2 Product Feat ures.....................................................................................................................................4 3 ........................................................................................................................... 5 4 Pin Definit ion.................................................................................................................................... 6 5 Perform ance and Electrical Param eters............................................................................................. 7 6 Revision Record................................................................................................................................ 8 7 Technical Support and Contact Inform ation.................................................................................. 8 Index of Charts Table 1 Pin Definition Table...........................................................................................................................7 Table 2 Perform ance and Elect rical Param et er Table...........................................................................9 Figure 1 Out line and Dim ension Schem at ic Diagram ..........................................................................3 Figure 2 Module Schem at ic Diagram ........................................................................................................3 Figure 3 Module Pin Layout and Thickness Diagram .............................................................................4 Page 2 of 8 1 Product Introduction The ZP-8251 is a BLE5.1 Bluetooth LE5.0 (Low Energy Bluetooth) m odule developed and m anufactured by Zopu Digital. It is designed based on the TELINK-SEM I Bluetooth LE chip TLSR825F512ET24 and supports BLE5.0. The m odule leads out the original m ain pins of the chip in the form of peripheral stam p holes. The m odule is equipped with an onboard antenna and an antenna IPEX interface, allowing users to freely choose between using the onboard antenna or an external antenna 2 Product Features Power supply: 1.8 - 3.6V, typical Fast and stable Bluetooth - serial port transparent transm ission, with a serial port baud rate of up to 921600 Built - in 32 - bit high - perform ance processor Operating tem perature range: 40 - 85 °C Supports low - power m ode, custom connection and broadcast intervals. The current for sending broadcasts at an 800m s interval is as low as 40 A The m axim um Bluetooth transm ission power can reach 1.44dBm Supports OTA Bluetooth wireless firm ware upgrade for the m odule and wireless The default onboard antenna can im prove the transm ission distance, and an external antenna can also be selected Built - in Watchdog for reliable long - term operation Ultra - sm all size: 22.5m m (length) × 13m m (width) × 0.8m m (height) Page 3 of 8 3 M odule Description 3 M odule Dim ensions Figure 1 Out line and Dim ension Schem at ic Diagram Page 4 of 8 3.2M odule Schem atic Diagram Figure 2 Module Schem at ic Diagram 3.3Pin Description Page 5 of 8 Figure 3 Module Pin Layout and Thickness Diagram 4 Pin Definition Pin Sym bol 1 GND 2 MIC_BIAS 3 PD2 4 NC 5 NC 6 TL_SWS 7 RX 8 TX 9 MCU_IN T 10 NC 11 NC 12 NC 13 PD6 14 VDD 15 GND 16 NC 17 UART_ON 18 BLE_SLEEP 19 UART_TX 20 UART_TX 21 NC 22 NC IO Type Function GND Power ground - Reserved function - Reserved function - Reserved function - Reserved function I Program m ing pin I Module serial port input O Module serial port output O Connected to M CU - Reserved function - Reserved function - Reserved function - Reserved function - Power input DC3.3/2.5V GND Power ground - Reserved function I Serial port switch I M odule sleep function O Debug serial port output I Debug serial port input - Reserved function - Reserved function Table 1 Pin Definition Table Page 6 of 8 5 Perform ance and Electrical Param eters Power Supply Input Requirem ents IO Output DC 1.8 - 3.6V, typical value 3.3V, power supply capacity > 80m A Voltage 2.9 - 3.3V, m axim um output current 8m A Power Supply and Power Consum ption Average Operating Current (Adjustable) The average operating current is jointly determ ined by the set transm ission power, connection interval and broadcast interval, and can be adjusted. The reference value under the default settings is as follows: Transm ission Power: 0dBm , Broadcast Interval: 800m s, Typical Current: 40 A Baud Rate Serial Port Param eters Data Bits 1200,2400,4800,9600,14400,19200,38400, 57600,115200,230400,460800,921600 8 Stop Bits 1 Fr eq u en cy M axim um Transm ission Po w er Receiver Sensitivity 24022480MHz 1.44dBm -97dBm Specification Standards Bluetooth Param eters Bandwidth Bluetooth V5.0 (LE Mode) MSK, FSK, GFSK, O-QPSK CPM 2MHz Antenna Im pedance 50 Connection Interval 7.54000ms Operating M ode Defaults to broadcast m ode upon power - on Op er at in g Environm ent Size and Package M aster - Slave M ode Slave m ode Operating Tem perature -40 ~ 8 5 Outline Dim ensions 22.5m m (length) × 13m m (width) × 0.8m m (height) Table 2 Perform ance and Electrical Param eter Table Page 7 of 8 6 Revision Record Dat e Version Modification Content 2025-03-19 0.1 Initial version 7 Technical Support and Contact Inform ation Shenzhen Zopu Digital Technology Co., Ltd. Address: 301, Xiagu, Meisheng Chuanggu, Xin'an Street, Bao'an District, Shenzhen Tel: 13918596260 Email: moguanxiong@zopudt.com Page 8 of 8 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. NOTE 1: 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 or relocate 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. 1) Must use a ROD antenna with gain not exceeding 2.97dBi. 2) Should be installed so that the end user cannot modify the antenna; 3) Feed line should be designed in 50ohm. Fine tuning of return loss etc. can be performed using a matching network ANT Manufacturer: Dongguan Yihai Communications Technology Limited; Model Name: SY-Q804131BR002C-L01 Frequency (MHz) 2402-2480 Antenna Type ROD Antenna Antenna Gain (dBi) Antenna MAX: 2.97dBi Notice to OEM integrator Must use the device only in host devices that meet the FCC RF exposure category of mobile, The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. The end user manual shall include FCC Part 15 compliance statements related to the transmitter as show in this manual. Host manufacturer is responsible for compliance of the host system with module installed with all other applicable requirements for the system such as Part 15 B. Host manufacturer is strongly recommended to confirm compliance with FCC requirements for the transmitter when the module is installed in the host. Must have on the host device a label showing Contains FCC ID: 2AY57-ZP-8251