Holtek Semiconductor HT82M99E
The USB MCU OTP body is suitable for USB mouse and USB joystick devices. It consists of a Holtek high performance 8-bit MCU core for control unit, built-in USB SIE, 2K´14 EPROM and 96 bytes data RAM.FEATURES
● Flexible total solution for applications that combine● 96 bytes RAM (20H~7FH)
● 6MHz/12MHz internal CPU clock
● 4-level stacks
● Two 7-bit indirect addressing registers
● One 16-bit programmable timer counter with over- PS/2 and low-speed USB interface, such as mice, joysticks, and many others
● USB Specification Compliance - Conforms to USB specification V1.1 - Conforms to USB HID specification V1.1
● Supports 1 Low-speed USB control endpoint and 1 flow interrupt (shared with PA7, vector 0CH)
● One USB interrupt input (vector 04H)
● HALT function and wake-up feature reduce power interrupt endpoint
● Each endpoint has 8´8 bytes FIFO
● Integrated USB transceiver
● 3.3V regulator output
● External 6MHz or 12MHz ceramic resonator or crys- consumption
● PA0~PA7, PB4 and PB7 support wake-up function
● Internal Power-On reset (POR)
● Watchdog Timer (WDT)
● 12 I/O ports
● 18/20-pin DIP, 18/20-pin SOP package tal
● 8-bit RISC microcontroller, with 2K´14 EPROM (000H~7FFH) General De...