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RAFAVI_BLUETOOTH_CHIPS
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detail-heading">

KW45

恩智浦

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元
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概述

KW45’s three-core architecture integrates a 96 MHz CM33 application core, dedicated CM3 radio core and an isolated EdgeLock Secure Enclave. The Flash-based radio core with dedicated SRAM delivers a highly configurable and upgradeable software-implemented radio, freeing resources on the main core for customer application space.

The Bluetooth Low Energy 5.3-compliant radio supports up to 24 simultaneous secure connections. The EdgeLock Secure Enclave’s isolated execution environment provides a set of cryptographic accelerators, key store operations and secure lifecycle management that minimizes main core security responsibilities.

The KW45 MCU additionally integrates FlexCAN, helping enable seamless integration into an automobile’s in-vehicle or industrial CAN communication network. The FlexCAN module can support CAN’s flexible data rate (CAN FD) for increased bandwidth and lower latency.

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特性

Application Core
Up to 96 MHz Arm Cortex-M33 core
1 MB Program Flash
128 kB SRAM
Nested Vectored Interrupt Controller (NVIC)

Radio Core
Dedicated CM3 core
Secure 256 kB Flash for authenticated NXP Bluetooth Low Energy controller stack firmware
88 kB dedicated SRAM
2.4 GHz Bluetooth Low Energy Version 5.3 upgradeable radio supporting up to 24 simultaneous hardware connections in any central/peripheral combination
–106 dBm 125 kbps Long Range Receive Sensitivity
–102 dBm 500 kbps Long Range Receive Sensitivity
–97.5 dBm 1 Mbps Receive Sensitivity
–95 dBm 2 Mbps Receiver Sensitivity
Programmable Transmit Output Power up to +10 dBm
Data Rates: 125 kbps, 500 kbps, 1 Mbps and 2 Mbps
Modulation Types: 2 Level FSK, GFSK, MSK, GMSK
On-chip balun with single ended bidirectional RF port
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特性

802.15.4 (Zigbee, Thread)
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方框图

KW45-BD-Architecture.svg
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应用说明

• Automotive

— Secure Car Access

— Keyless Entry

— Passive Entry/Passive Start (PEPS) Systems

— Wireless Battery Management Systems (WBMS)

• Industrial/IoT

— Positioning/Localization

— Building Control and Monitoring

— Process/Factory Automation

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开发板

KW45B41Z Evaluation Kit with Bluetooth® Low Energy

Link

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内核

Arm® Cortex®-M33
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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

5.3
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频率

96 MHz
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Flash (kB)

256
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缓存

-
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SRAM (kB)

__
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EEPROM (kB)

__
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调试

__
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升级方式

Manual
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晶振

no
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PLL时钟

no
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可选晶振

no
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RC时钟

no
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外部时钟

no
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时钟 [数量, 位]

32 MHz supported for Bluetooth LE and Generic FSK modes
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实时时钟

32.768 kHz Crystal Oscillator
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看门狗计数器

no
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GPIO

__
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针脚

__
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针距

__
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通道

__
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ADC [数量, 位]

__
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真随机数发生机器

__
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模拟组件

no
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低功耗组件

no
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温度传感器

no
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NFC标签

__
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SPI

Two LSPI
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DAC [数量, 位]

__
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UART

Two LPUART
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同步串行接口

__
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PWM [数量, 位]

__
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I2C

Two Low Power I2C (LPI2C) modules supporting the System Management Bus (SMBus) Specification, version 2
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TWI

no
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QDEC

-
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PDM

-
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USB

no
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SPI

Two Low Power SPI modules and one MIPI-I3C module
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Quad SPI

-
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I2S

no
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调试界面

-
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人机界面

-
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可编程通道

__
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固定通道

__
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通道组

__
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电压 [最小~最大] (V)

__
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no
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VBUS

no
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可调供电输出

-
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电源失效

no
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加密加速计

__
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公钥硬件加速器

__
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加速器

__
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安全

__
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__
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电流

__
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传感器控制器

__
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待机

__
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兼容标准

__
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接收器灵敏度

–95 dBm 2 Mbps Receiver Sensitivity
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输出功率

+10 dBm
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射频规范

__
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协议

-
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蓝牙5性能

-
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蓝牙5.1支持

-
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尺寸

6 x 6 mm 40HVQFN,7 x 7 mm 48HVQFN
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 516
detail-adm">

封装型式

HVQFN, 48HVQFN
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 520
detail-adm">

DSP RAM

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 524
detail-adm">

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

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 532
detail-adm">

音频控制

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 536
detail-adm">

概要

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 541
detail-links">


Warning: Trying to access array offset on null in /var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 542

Warning: Attempt to read property "label_raw" on null in /var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 542

/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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登陆

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()