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WCH
Power Management (PMIC)
Interface
Other interfaces
I/O expander
PCI/PCIE interface
Analog switch/multiplexer
Ethernet controller
Ethernet transceiver
Bus to UART
USB hub
USB conversion chip
RS232 chip
Microcontrollers (MCU/MPU/SOC)
RF and Wireless
LED Drivers
IoT/Communication Modules
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