HT82M9BA中文资料USB Mouse Encoder 8-Bit MCU数据手册Holtek规格书

特性 Features

Flexible total solution for applications that combine 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 3 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 8Kx16 program memory (0000H~1FFFH)
224 bytes RAM (20H~FFH)
6MHz/12MHz internal CPU clock
8-level stacks
Two 8-bit indirect addressing registers
One 8-bit programmable timer counter with overflow interrupt (shared with PA6, vector 08H)
One 16-bit programmable timer counter with overflow interrupt (shared with PA7, vector 0CH)
One USB interrupt input (vector 04H)
HALT function and wake-up feature reduce power consumption
PA0~PA7, PB4 and PB7 support wake-up function
Internal Power-On reset (POR)
Watchdog Timer (WDT)
20 I/O ports
24/28-pin SSOP package 32-pin QFN package