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HT82D22R Datasheet, PDF (1/41 Pages) Holtek Semiconductor Inc – 27MHz Two Channel RX 8-Bit MCU
HT82D22R/HT82D22A
27MHz Two Channel RX 8-Bit MCU
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
2 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 26.995~27.295MHz
· 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 4K´15 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
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 ,
4K´15 ROM and 160 bytes data RAM
Rev. 1.00
1
November 6, 2009