WCH CH568L

CH568 is a high- performance 32- bit RISC reduced instruction set microcontroller, built- in 192KB FLASH flash memory, 32KB SRAM and 32KB DataFlash. On- chip integrated high- speed USB2.0 master/slave controller, 4 groups of SD controllers, SATA controllers, encryption algorithm modules, 4 groups of UARTs, 7 groups of PWMs, 3 groups of timers and other rich peripheral resources, which can be widely used for various embedded applications.

• Core:
  • 32- bit RISC reduced instruction set core
  • 120MHz maximum frequency
• Memory:
  • 192KB bytes program memory, support write protection
  • 32KB bytes SRAM
  • 32KB bytes DataFlash
• USB2.0 high- speed receiver- transmitter (built- in PHY):
  • High- speed Host / Device mode
  • Support control/bulk/interrupt/synchronous transmission
  • Support double buffering PINT- PONG
  • Support DMA
• 4 groups of independent SD controllers:
  • Support single- wire, 4- wire, 8- wire communication mode
  • Support SD/TF card, SDIO card and eMMC card, etc.
  • Built- in FIFO
  • Support AES and SM4 Algorithms
  • Provide 8 encryption and decryption modes
  • Support DMA
• SATA controller (built- in PHY):
  • Support 1.5G/3G mode
  • Support power management
  • Support automatic data flow control
  • Support DMA
• Timer:
  • 3 sets of 26- bit timers
  • Support signal width sample/edge capture, PWM adjustable output, count function
  • TMR1 and TMR2 support DMA
• PWMX:
  • Expand 4 sets of PWM output
  • Adjustable duty cycle
• Universal asynchronous receiver/transmitter (UART):
  • 4 groups of independent UARTs, compatible with 16C550
  • The highest baud rate is 6Mbps
  • Built- in FIFO, multiple trigger levels
• SPI:
  • 2 sets of SPIs: One supports Master and Slave mode, the other supports only Master mode
  • Built- in FIFO
  • SPI0 supports DMA
• LED screen interface:
  • Support 1/2/4 channel data line
  • Built- in FIFO, support double buffering
  • Support DMA
• Low power:
  • Sleep mode
  • Support some GPIO, USB or SATA signal wake- up
• General- purpose I/O port:
  • 26 GPIOs
  • 8 pins can be configured level or edge interrupt
  • Some pins have multiplexing and mapping functions
• ID Number of chip:
  • Unique 64bit ID identification number
• Power:
  • 3.0~3.6V(3.3V±10%)
• Package: LQFP48

• Security storage
• Home security
• USB- related applications
• Monitoring
• Alarm systems
• Printers
• Scanners and other application control