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USB97C242-MN-XX Datasheet

  • USB97C242-MN-XX

  • USB 2.0 Flash Drive Controller

  • 158.93KB

  • 22頁

  • SMSC   SMSC

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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
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Includes USB 2.0 Transceiver
A Bi-directional Control and a Bi-directional Bulk
Endpoint are provided.
Double Buffered Bulk Endpoint
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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
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Complete System Solution for interfacing
SmartMedia (SM), and NAND flash devices to
USB 2.0 bus
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Supports USB Bulk Only Mass Storage Compliant
Bootable BIOS
Support for the following devices:
- SM: 2M 鈥?5MB/sec
- NAND Flash: 2M 鈥?15MB/sec
Built-in hardware 1-bit ECC support.
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
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.
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Inputs capable of generating interrupts with either
edge sensitivity
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8051 8 bit microprocessor
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)
SMSC USB97C242
Page 1
Revision 1.4 (02-16-06)
DATASHEET

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