USB97C201

USB97C201 Rev 1.6 USB 2.0 ATA/ ATAPI Controller FEATURES 2.5 Volt, Low Power Core Operation 3.3 Volt I/O with 5V input tolerance Complete USB Specification 2.0 Compatibility Includes USB 2.0 Transceiver A Bi-directional Control, a Bi-directional Interrupt, and a Bi-directional Bulk Endpoint are provided. Complete System Solution for interfacing ATA or ATAPI devices to USB 2.0 bus Supports USB Mass Storage Compliant Bootable BIOS Support for ATAPI Devices: CD-ROM CD-R CD-RW DVD DVD/R/W 8051 8 bit microprocessor Provides low speed control functions 30 Mhz execution speed at 4 cycles per instruction average 768 Bytes of internal SRAM for general purpose scratchpad or program execution while re-flashing external ROM Double Buffered Bulk Endpoint Bi-directional 512 Byte Buffer for Bulk Endpoint 64 Byte RX Control Endpoint Buffer 64 Byte TX Control Endpoint Buffer 64 Byte TX Interrupt Endpoint Buffer 64 Byte RX Interrupt Endpoint Buffer External Program Memory Interface 64K Byte Code Space - Flash, SRAM, or EPROM Memory On Board 12Mhz Crystal Driver Circuit Internal PLL for 480Mhz USB2.0 Sampling, 30Mhz MCU clock, and 60Mhz ATA clock Supports firmware upgrade via USB bus if “boot block” Flash program memory is used 8 GPIOs for special function use : LED indicators, button inputs, etc. Inputs capable of generating interrupts with either edge sensitivity One GPIO has automatic ½ sec toggle capability for flashing an LED indicator. 100 Pin TQFP Package (14.0 x 14.0 mm footprint) 2...