HT82M9AA

HT82M9AE/HT82M9AA USB Mouse Encoder 8-Bit MCU Technical Document · Tools Information · FAQs · Application Note www.DataSheet4U.com Features · Flexible total solution for applications that combine · 6MHz/12MHz internal CPU clock · 4-level stacks · Two 8-bit indirect addressing registers · One 16-bit programmable timer counter with PS/2 and low-speed USB interface, such as mice, joysticks, and many others · USB Specification Compliance - Conforms to USB specification V2.0 - Conforms to USB HID specification V2.0 · Supports 1 low-speed USB control endpoint and overflow interrupt (shared with PA7, vector 0CH) · One USB interrupt input (vector 04H) · HALT function and wake-up feature reduce power 2 interrupt endpoint · Each endpoint has 8 bytes FIFO · Integrated USB transceiver · 3.3V regulator output · External 6MHz or 12MHz ceramic resonator or crystal · 8-bit RISC microcontroller, with 4K´15 program consumption · PA0~PA7, PB4 and PB7 support wake-up function · Internal Power-On reset (POR) · Watchdog Timer (WDT) · 16 I/O ports · 20-pin SOP/SSOP package memory (000H~FFFH) · 224 bytes RAM (20H~FFH) 24-pin SSOP package 32-pin QFN package General Description 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, 4K´15 ROM and 224 bytes data RAM. The mask version HT82M9AA is fully pin and functionally compatible with the OTP version HT82M9AE device. Rev. 1.90 1 O...