HT82A620R - Holtek Semiconductor

HT82A620R (HT82A520R / HT82A620R) Full Speed USB 8bit OTP MCU

The HT82A520R/HT82A620R are 8-bit high performance RISC-like microcontrollers designed for USB keyboard mouse and joystick product applications. The advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, Watchdog timer, SPI interf.

Features

· Operating voltage:
· Max. 4 endpoints supported - endpoint 0 included
· All endpoints support Interrupt, & bulk transfer
· Endpoint 0 supports control, interrupt and bulk fSYS = 6MHz: 2.2V~5.5V fSYS = 12MHz: 4.0V~5.5V
· 4K´15 Program Memory
· 160´8 data memory RAM
· USB 2.0 Full Speed Compatible
· Single external interrupt input shared with I/O line
· Single 16-bit programmable Timer/Event Counters transfer
· All endpoints except endpoint 0 can be configured as 8, 16, 32, 64 FIFO size
· Endpoint 0 has 8 byte FIFO
· Total FIFO size: 64+8 bytes (RAM0: 48 bytes; with overflow interrupt
· Si.