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Chip - bluetooth蓝牙技术 http://yikouzu.com/index.php/en/marketing/popular-science Sat, 14 Feb 2026 13:20:16 +0800 Joomla! - Open Source Content Management en-gb sale@bluetooth.com.cn (Bluetooth.com.cn) AC781x Automotive Microcontroller http://yikouzu.com/index.php/en/marketing/popular-science/11-ac781x-automotive-microcontroller http://yikouzu.com/index.php/en/marketing/popular-science/11-ac781x-automotive-microcontroller

Overview：
The AC781x product serials is  MCU of automotive grade, complies with the AEC-Q100 specification, and is suitable for automotive electronics and high reliability industrial applications.Typical applications cover BCM, T-BOX, BLDC motor control, industrial control, AC charging piles, etc.
The AC781x device family is based on ARM Cortex®-M3 core, running up to 100MHz，up to 256KB Flash memory，supply voltage ranges from 2.7 to 5.5V, excellent EMC/ESD capability to be suit for harsher environment.
Features：
- ARM Cortex®-M3 core,100MHz, single cycle 32x32 multiplier
- Support up to 256KB embedded Flash memory
- Support up to 64KB RAM
- Support 2*CAN 2.0B
- Support 1*LIN 2.1, 1*URAT LIN
- Support 2*SPI
- Support up to 6*UART
- Support 2*I2C
- 2.7-5.5V power supply
- Temperature range: -40 to 125 °C
]]> sale@bluetooth.com.cn (Super User) Chips Thu, 13 Aug 2020 23:42:34 +0800 CSR8635/CSR8615 Class2 Stereo ROM Module Electrical characteristic http://yikouzu.com/index.php/en/marketing/popular-science/4-csr8635-csr8615-class2-stereo-rom-module-electrical-characteristic http://yikouzu.com/index.php/en/marketing/popular-science/4-csr8635-csr8615-class2-stereo-rom-module-electrical-characteristic General Electrical Specification

Absolute Maximum Ratings:  

Ratings  Min.  Max. 
Storage Temperature  -40 ℃ +85 ℃
Supply Voltage (VCHG)  -0.4V  5.75V 
Supply Voltage (VREG_ENABLE,VBAT_SENSE)  -0.4V  4.2V 
Supply Voltage (LED[2:0])  -0.4V  4.4V 
Supply Voltage (PIO_POWER)  -0.4V  3.6V 

Recommended Operating Condition:

Operating Temperature range  -20 ℃ +75 ℃
Supply Voltage (VBAT)  2.7V  4.25V 
Supply Voltage (VCHG)  4.75V / 3.10 V  5.25V 
Supply Voltage (VREG_ENABLE,VBAT_SENSE)  0V  4.2V 
Supply Voltage (LED[2:0])  1.10V  4.25V 
Supply Voltage (PIO_POWER)*  1.7V  3.6V

1.8V Switch-mode Regulator :

 

 

 

 

 

 

 

]]> sale@bluetooth.com.cn (Super User) Chips Sat, 29 Aug 2015 09:07:29 +0800 Rafavi Automotive safety MCUs - RA9 series http://yikouzu.com/index.php/en/marketing/popular-science/47-mcu/48-made-in-china/34-rafavi-automotive-safety-mcus-ra9-series http://yikouzu.com/index.php/en/marketing/popular-science/47-mcu/48-made-in-china/34-rafavi-automotive-safety-mcus-ra9-series
The RA9 family includes such sub-products as:

• RA9S series (single core), including: RA9S1, RA9S2 and RA9S3;

• RA9D series (dual core), which includes: RA9D1, RA9D2 and RA9D3;

• RA9T series (three cores), including: RA9T1;

Read More …

]]> sale@bluetooth.com.cn (Super User) Made in China Fri, 11 Mar 2022 12:37:28 +0800 Rafavi Automotive safety MCUs - RA8 series http://yikouzu.com/index.php/en/marketing/popular-science/47-mcu/48-made-in-china/33-rafavi-automotive-safety-mcu http://yikouzu.com/index.php/en/marketing/popular-science/47-mcu/48-made-in-china/33-rafavi-automotive-safety-mcu Read More …

]]> sale@bluetooth.com.cn (Super User) Made in China Fri, 11 Mar 2022 11:40:42 +0800 UWB+GNSS Indoor and outdoor integrated positioning module http://yikouzu.com/index.php/en/marketing/popular-science/50-made-in-china/21013-uwb-gnss-indoor-and-outdoor-integrated-positioning-module http://yikouzu.com/index.php/en/marketing/popular-science/50-made-in-china/21013-uwb-gnss-indoor-and-outdoor-integrated-positioning-module UWB+GNSS Module

CM52 series products are UWB+GNSS indoor and outdoor integrated positioning module solutions independently for indoor and outdoor fusion positioning market, including CM503B base station module and CM522T tag module, which supports the Channel 9 (7987.2MHz) frequency point required by the latest Chinese regulations by default.

Read More …

]]> sale@bluetooth.com.cn (Super User) Made in China Fri, 29 Mar 2024 09:06:04 +0800
Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Warning: http_response_code(): Calling http_response_code() after header('HTTP/...') has no effect in /var/www/html/libraries/vendor/symfony/error-handler/ErrorHandler.php on line 658
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()

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100