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USB97C211

Features: ` 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 CompactFlashTM (CF) and SmartMediaTM(SM) devices to USB 2.0 bus* - Supports USB Bulk Only Ma...

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SeekIC No. : 004538819 Detail

USB97C211: Features: ` 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 inte...

USB97C211 Data Sheet

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Part Number:
USB97C211
Supply Ability:
5000

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Upload time: 2024/11/22

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Product Details

Description



Features:

`  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 CompactFlashTM (CF) and SmartMediaTM(SM) devices to USB 2.0 bus*
     - Supports USB Bulk Only Mass Storage Compliant Bootable BIOS
     - Support for the following devices:
     - CF: 300K 15MB/sec     
     - SM: 2M 15MB/sec
     - Support for simultaneous operation of both the above devices.
     - Enhanced CF support to allow true sequential read operations to improve throughput
`  16 GPIOs for special function use: LED indicators, button inputs, power control to memory devices, etc.
     - Inputs capable of generating interrupts with either edge sensitivity
     - One GPIO has automatic 1 sec toggle capability for flashing an LED indicator.
`  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 while reflashing 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
`  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
 ` Supports firmware upgrade via USB bus if "boot block" Flash program memory is used
`  2.5 Volt, Low Power Core Operation
`  3.3 Volt I/O with 5V input tolerance
`  128 Pin TQFP (1.0 mm height package) or QFP Package



Pinout

Connection Diagram


Specifications

Operating Temperature Range...................................... 0to +70
Storage Temperature Range ....................................-55o to +150
Lead Temperature Range (soldering, 10 seconds) .............. +325
Positive Voltage on any pin, with respect to Ground ............... 5.5V
Negative Voltage on any pin, with respect to Ground..............-0.3V
Maximum VDD, VDDP ...............................................................+3.0V
Maximum VDDIO, VDDA.............................................................+4.0V

*Stresses above the specified parameters could cause permanent damage to the device. This is a stress rating 
  only and functional operation of the device at any other condition above those indicated in the operation 
  sections of this specification is not implied.

Note: When powering this device from laboratory or system power supplies, it is important that the
          Absolute  Maximum Ratings not be exceeded or device failure can result. Some power supplies exhibit 
          voltage spikes on their outputs when the AC power is switched on or off. In addition, voltage transients
          on the AC power line may appear onthe DC output. When this possibility exists, it is suggested that a
          clamp circuit be used.


Description

The USB97C211 is a USB2.0 Bulk Only Mass Storage Class Peripheral Controller intended for supporting CompactFlash (CF), in True IDE Mode only, and SmartMedia (SM) flash memory devices. It provides a single chip solution for the most popular flash memory cards in the market.*

The USB97C211 consists of a USB 2.0 PHY and SIE, buffers, Fast 8051 microprocessor with expanded scratchpad, and program SRAM, and CF/SM controllers.*

Provisions for external Flash Memory up to 64K bytes for program storage is provided.

12K bytes of scratchpad SRAM and 768Bytes of program SRAM are also provided.

Sixteen GPIO pins of the USB97C211 are for the 128-pin device. Provisions are made to allow hot swap of flash media to be implemented.

The USB97C211 supports the insertion of cards (CF, SM) simultaneously.




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