USB-100 Fujitsu Semiconductor America Inc, USB-100 Datasheet - Page 107

• Manufacturer Part Number: USB-100
• Description: KIT STARTER FOR USB
• Manufacturer: Fujitsu Semiconductor America Inc
• Type: MCUr

Specifications of USB-100

• Contents: Board, Cable
• For Use With/related Products: MB91F662
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 865-1108

applications such as those in the figure below (train and bus passes, electronic money,
membership cards used to record profiles and preferences in addition to member information,
etc.). The following are typical examples.
as used for deleting data
physical analysis)
turned ON/OFF)
The characteristics of the FRAM are the very reason they are ideal for security-dependant
- Unlike FLASH/EEPROM memory, FRAM does not require special command sequences such
- FRAM provides improved tamper-proofing of electronic key data for authentication
(Data can be read and written just like RAM by specifying an address.
- Authentication key data can be updated frequently and randomly.
- Requires less writing time after the FRAM power is switched from ON to OFF.
(Compared to FLASH and EEPROM, data on FRAM is difficult to read even when subject to
(The high-speed writing capability of the FRAM allows writing immediately after the power is
Data can be overwritten in units of bytes.)
Figure 10.1-2. IC card applications such as electronic money
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