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RAFAVI_BLUETOOTH_CHIPS
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detail-heading">

RN4870/71

微芯

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0.00
元
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概述

•GAP, GATT, SM, L2CAP and Integrated Public Profiles
•Customer Can Create up to Five Public and Four Private Services
•Keyboard I/O Authentication
•Software Configurable Role as Peripheral or Central and Client or Server
 
Package：
•Compact Form Factor – The RN4870/71 family comes in four different sizes from 6 mm x 8 mm to 12 mm x 22 mm:
-RN4870: 12 mm x 22 mm
-RN4871: 9 mm x 11.5 mm
-RN4870U: 12 mm x 15 mm
-RN4871U: 6 mm x 8 mm
 
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特性

•Qualified for Bluetooth SIG v5.0 Core Specification
•Certified to FCC, ISED, CE, KCC, NCC and SRRC
•On-Board Bluetooth Low Energy (BLE) Stack
•ASCII Command Interface API over UART
•Scripting Engine for Hostless Operation
•Compact Form Factor – The RN4870/71 family comes in four different sizes from 6 mm x 8 mm to 12 mm x 22 mm:
-RN4870: 12 mm x 22 mm
-RN4871: 9 mm x 11.5 mm
-RN4870U: 12 mm x 15 mm
-RN4871U: 6 mm x 8 mm
•Beacon Private Service for Beacon Services
•UART Transparent Service for Serial Data Applications
•Remote Configuration Over-the-Air
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特性

__
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方框图

__
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应用说明

•Health/Medical Devices •Sports Activity/Fitness Meters •Beacon Applications •Internet of Things (IoT) Sensor Tag •Remote Control •Wearable Smart Devices and Accessories •Smart Energy/Smart Home •Industrial Control
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开发板

__
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内核

-
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CPU时钟频率

__
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CPU构造

__
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CPU特性

__
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蓝牙版本

5
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频率

__
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Flash (kB)

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 265
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缓存

-
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SRAM (kB)

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 273
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EEPROM (kB)

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 277
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调试

__
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升级方式

Supports Over-the-Air upgrade (OTA)
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晶振

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 289
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PLL时钟

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 293
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可选晶振

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 297
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RC时钟

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 301
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外部时钟

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 305
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时钟 [数量, 位]

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 309
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实时时钟

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 313
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看门狗计数器

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 317
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GPIO

RN4870:18/RN4871:9
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针脚

RN4870:33/RN4871:16
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针距

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 329
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通道

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 333
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ADC [数量, 位]

RN4870:8/RN4871:5
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真随机数发生机器

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 341
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模拟组件

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 345
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低功耗组件

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 349
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温度传感器

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 353
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NFC标签

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 358
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SPI

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 362
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DAC [数量, 位]

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 366
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UART

支持
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同步串行接口

__
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PWM [数量, 位]

3(4870)
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I2C

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 382
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TWI

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 386
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QDEC

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 390
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PDM

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 394
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USB

no
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SPI

No
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 402
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Quad SPI

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 406
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I2S

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 410
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调试界面

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 414
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人机界面

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 418
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可编程通道

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 422
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固定通道

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 426
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通道组

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 431
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电压 [最小~最大] (V)

1.9V~ 3.6V
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no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 439
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VBUS

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 443
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可调供电输出

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 447
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电源失效

no
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 452
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加密加速计

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 456
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公钥硬件加速器

__
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加速器

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 464
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安全

128-bit AES
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__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 472
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电流

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 476
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传感器控制器

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 480
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待机

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 484
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兼容标准

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 488
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接收器灵敏度

-90 dBm
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 492
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输出功率

0 dBm
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 496
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射频规范

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 500
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协议

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 504
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蓝牙5性能

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 508
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蓝牙5.1支持

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 512
detail-adm">

尺寸

4870:Shield 12 x 22 mm, Unshield 12x15mm
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 516
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封装型式

Surface mount module
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 520
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DSP RAM

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 524
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DSP时钟速度

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 528
detail-adm">

DSP时钟速度

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/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 532
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音频控制

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/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 536
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概要

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/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 541
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/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 548
detail-facilities info-right">
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mysqli object is already closed (500 Whoops, looks like something went wrong.)

Error

HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php (line 318)
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  9. parent::disconnect();
  10. }
in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php -> close (line 318)
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  9. parent::disconnect();
  10. }
in /var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php -> disconnect (line 496)
  1. *
  2. * @since 2.0.0
  3. */
  4. public function __destruct()
  5. {
  6. $this->disconnect();
  7. }
  9. /**
  10. * Alter database's character set.
  11. *
DatabaseDriver->__destruct()

Stack Trace

Error 
Error:
mysqli object is already closed

  at /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318
  at mysqli->close()
     (/var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318)
  at Joomla\Database\Mysqli\MysqliDriver->disconnect()
     (/var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php:496)
  at Joomla\Database\DatabaseDriver->__destruct()