HT82D20A Description
USB Encoder Built-in one 27MHz FSK receiver MCU OTP body is suitable for USB interface and 27MHz Wireless system. Flexible total solution for applications that bine PS/2 and low-speed USB interface and 27MHz wireless system, such as mice, joysticks, and many others. It consists of a Holtek high performance 8-bit MCU core for control unit, built-in USB SIE, 27MHz FSK Receiver , 2K´14 bits ROM and 96 bytes data RAM.
HT82D20A Key Features
- USB specification pliance
- Conforms to USB specification V2.0
- Conforms to USB HID specification V1.11
- Supports 1 Low-speed USB control endpoint and
- 8-bit RISC microcontroller, with 2K´14 bits EPROM
- 96 bytes RAM (20H~7FH)
- 6MHz internal MCU clock
- 4-level stack
- Two 7-bit indirect addressing registers
- Each endpoint has 8 byte FIFO