ElectronicsThe CH558L with WCH TQFP-48_7x7x05P RoHS is an 8-bit microcontroller manufactured by the Chinese electronics company Qin Heng Electronics. It is small, low power, and is designed for use in consumer and industrial applications. The device has an 8051 compatible core, six 8-bit programmable I/O ports, and is capable of 10 MIPS performance. The package size is 48 pin TQFP and the overall dimensions are 7x7x0.5mm. Moreover, this device is RoHS compliant and is ideal for applications such as electricity metering, lighting control, motor control, timing and auto switch control, and industrial sensor.