HT82A525R Datasheet | Holtek Semiconductor

HT82A525R I/O Type USB 8-Bit OTP MCU with SPI Features - .. 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 ponents 4K´15 Program Memory 192´8 Data Memory RAM USB 2.0 Full Speed patible 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- lines LCD driver with 1/2 bias Watchdog Timer function Power down...