HT82D22R/HT82D22A -- 27MHz Two Channel RX 8-Bit MCU (EOL)

General Description

USB Encoder Built-in two 27MHz FSK Receiver MCU OTP body is suitable for USB interface and 27MHz Wireless system. Flexible total solution for applications that combine 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, 4Kx15 ROM and 160 bytes data RAM.

Features

  • USB specification compliance
    -- Conforms to USB specification V2.0
    -- Conforms to USB HID specification V1.11
  • Supports 1 Low-speed USB control endpoint and
    1 interrupt endpoint
  • Single 8-bit programmable timer counter with
    overflow interrupt
  • Single 16-bit programmable timer counter with
    overflow interrupt
  • PS2 and USB modes supported
  • Built-in two 27MHz FSK Receiver
  • Supply 27MHz FSK Receiver power down function
  • 8-level stacks
  • Each endpoint has 8 bytes FIFO
  • Integrated USB transceiver
  • 3.3V regulator output
  • Integrated 27MHz FSK Receiver
  • 27MHz FSK Receiver power down function
  • FSK Receiver Frequency range 26.945~27.295MHz
  • FSK Receiver High sensitivity: < -90 dBm
  • RF tuner, mixer, transistors, passives, coils, and SAW filter functions integrated in the same device
  • Integrated FSK Receiver Phase Locked Loop
  • Eight user selectable frequencies
  • Integrated FSK Receiver 6Kbps data rate
  • External 12MHz crystal
  • 8-bit RISC microcontroller, with 4Kx15 EPROM (000H~FFFH)
  • 160 bytes RAM (20H~BFH)
  • 6MHz internal MCU clock
  • Two 8-bit indirect addressing registers
  • Single USB interrupt input (vector 04H)
  • HALT function and wake-up feature reduce
    power consumption
  • All I/O ports support wake-up function
  • Internal Power-On reset (POR)
  • Watchdog Timer (WDT)
  • 10 I/O ports
  • 48-pin QFN package

Technical Document

Other Information