The HT66F2372 includes a large LED current drive capability, a function that has four programmable drive current selections and which permits the LEDs to be driven without requiring external current-limiting resistors or transistors.
It also provides flexible I/O programming features, a 16-bit MDU, Time-Base functions. It is suitable for applications of electronic metering, environmental monitoring, handheld instruments, household appliances, electronically controlled tools, motor driving, etc.