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HT82M9AE/HT82M9AA -- USB Mouse Encoder 8-Bit MCU
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, 4Kx15 ROM and 224 bytes data RAM.
The mask version HT82M9AAis fully pin and functionally compatible with the OTP version HT82M9AE device.
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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
2 interrupt endpoint
- Each endpoint has 8x8 bytes FIFO
- Integrated USB transceiver
- 3.3V regulator output
- External 6MHz or 12MHz ceramic resonator or crystal
- 8-bit RISC microcontroller, with 4Kx15 program
memory (000H~FFFH)
- 224 bytes RAM (20H~FFH)
- 6MHz/12MHz internal CPU clock
- 4-level stacks
- Two 8-bit indirect addressing registers
- 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)
- 16 I/O ports
- 20-pin SOP/SSOP package
24-pin SSOP package
32-pin QFN package
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