HT82A525R

HT82A525R I/O Type USB 8-Bit OTP MCU with SPI Features · www.DataSheet4U.com Operating voltage: fSYS=6MHz: 3.3V~5.5V fSYS=12MHz: 4.5V~5.5V Two oscillators: External crystal -- HXT (6MHz or 12 MHz) Internal RC -- HIRC (12MHz) Fully integrated internal 12MHz oscillator requires no external components 4K´15 Program Memory 192´8 Data Memory RAM USB 2.0 Full Speed Compatible Single 16-bit programmable Timer/Event Counters with overflow interrupt Single 8-bit programmable Timer/Event Counters with overflow interrupt Two SPI interfaces shared with I/O lines Support SPI serial DMA or 8-bit parallel DMA Software controlled 4-COM lines LCD driver with 1/2 bias Watchdog Timer function Power down and wake-up functions to reduce power consumption 3-channel 12-bit PWM output shared with three I/O lines Up to 42 bidirectional I/O lines Up to 0.33ms instruction cycle with 12MHz system clock at VDD=5V 4 endpoints supported (endpoint 0 included) Support interrupt, control & bulk transfer Total FIFO size is 208 bytes (8,8,64,64´2 for EP0~EP3) 6-level subroutine nesting Bit manipulation instruction Table read instructions 63 powerful instructions All instructions executed in one or two instruction cycles Low voltage reset function (2.2V±0.2V) 28-pin SSOP, 32-pin QFN, 48/64-pin LQFP packages · · · · · · · · · · · · · · · · · · · · · · · · · General Description This HT82A525R is an 8-bit high performance RISC microcontroller designed for USB keyboard mouse and fingerprint product applications...