EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn
器件描述：USB 2.0 Flash Drive Controller
器件厂商：SMSC [SMSC Corporation]
厂商主页：http://www.smsc.com/
文件大小：164.75KB
文件页数：22
PDF阅读：USB97C242-MN-XX.pdf (点击阅读器件资料)
摘要：
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)
相关器件：USB97C242-MN USB97C242-MV-04 USB97C242
|
