Features
 8-bit CMOS Micro-Processor (uP) core
- Instruction set is compatible with standard 8051
- Build-in 6MHz RC Oscillator for USB and MCU
 Memory
- 16K Bytes Flash
- Support USB Self-Sectors-Programming (SSP)
- 256 bytes internal data memory
 Operation voltage 4.4V - 5.25V
 One set of Time Capture Circuit (Rising and Falling edge)
 Build-in 32KHz oscillator for programmable wake up timer
 3.3V regulator output
- Maximum driving current 20mA
 Up to 37 general purpose I/O ports in 48 pin QFN package
 Interrupt
- 11 vectors interrupt structure
- 2 programmable priority levels
 Two 8-Bit auto-reloadable Base Timer
 USB Specification Compliance
- Complies with USB specification 1.1
- Support one Low-Speed USB Device Address with
- 3 endpoints (endpoint 0, 1, and 2)
- Built-in 1.5Kohms USB pull-up resistor
 Built-in Watch Dog Timer (WDT)
 Two blue LED port
 Reset
- Hardware reset
- External reset, Power-on reset, Low-voltage reset
- USB reset
- Watch-Dog reset
- Resume reset
 Two power-reducing modes:
- Idle mode
- Power-Down mode
 Package:
- 52 pad Chip Form
- 48 pin QFN (6 X 6)

General Description
The SH68F83 is designed for high performance, high integrated Low-speed USB devices and capable of USB In-System-Programming. It contains an 8051 micro-controller, Low-Speed USB SIE, Transceiver and data FIFO, build-in 3.3V regulator, on-chip 16K bytes program memory and internal 256 bytes data memory, Two 8-Bit auto-reloadable Base Timer, programmable Watch-dog timer and Wake-up timer, 37 selectable GPIO in 48 pin QFN package, build-in 6MHz oscillator to eliminate external crystal, POR and LVR circuit saving your external components cost. The SH68F83 is a highly integrated MCU designed for cost effective applications. Application can cover such items as Keyboards and others.