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USB97C242 Datasheet(PDF) 1 Page - SMSC Corporation |
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USB97C242 Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 22 page  SMSC USB97C242 Page 1 Revision 1.4 (02-16-06) DATASHEET USB97C242 USB 2.0 Flash Drive Controller Datasheet Product 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 and a Bi-directional Bulk Endpoint are provided. Complete System Solution for interfacing SmartMedia (SM), and NAND flash devices to USB 2.0 bus − Supports USB Bulk Only Mass Storage Compliant Bootable BIOS − Support for the following devices: - SM: 2M –15MB/sec - NAND Flash: 2M – 15MB/sec − Built-in hardware 1-bit ECC support. 8051 8 bit microprocessor − Provides low speed control functions − 30 Mhz execution speed at 4 cycles per instruction average − 12K Bytes of internal SRAM for general purpose scratchpad − 768 Bytes of internal SRAM for general purpose scratchpad or program execution with external flash Double Buffered Bulk Endpoint − Bi-directional 512 Byte Buffer for Bulk Endpoint − 64 Byte RX Control Endpoint Buffer − 64 Byte TX Control Endpoint Buffer Internal or External Program Memory Interface − 48K Byte Internal Code Space or optional 64K Byte External Code Space using Flash, SRAM, or EPROM memory. On Board 12Mhz Crystal Driver Circuit Internal PLL for 480Mhz USB2.0 Sampling, 30Mhz MCU clock Supports firmware upgrade via USB bus if sector- erasable Flash program memory is used 7 GPIOs for special function use: LED indicators, button inputs, power control to memory devices, etc. − Inputs capable of generating interrupts with either edge sensitivity 100 Pin TQFP (12x12x1.4 body) package; green, lead-free package also available ORDERING INFORMATION Order Number(s): USB97C242-MN-xx for 100 pin TQFP package USB97C242-MV-04 for 100 pin TQFP package (green, lead-free) |
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