RC531

特性:

• Highly integrated analog circuitry to demodulate and decode card response
• Buffered output drivers to connect an antenna with minimum number of external components
• Proximity operating distance (up to 100 mm)
• Supports ISO 14443
• Supports MIFARE® Dual Interface Card ICs and supports MIFARE® Classic protocol
• Supports contactless communication with higher baudrates up to 424kHz
• Programmable I/O pins
• Internal self-test
• Crypto1 and secure non-volatile internal key memory
• Pin-compatible to the MF RC500, MF RC530 and the SL RC400
• Parallel μ-Processor interface with internal address latch and IRQ line
• SPI compatible interface
• Flexible interrupt handling
• Automatic detection of the used μ-Processor interface type
• Comfortable 64 byte send and receive FIFObuffer
• Hard reset with low power function
• Power down mode per software
• Programmable timer
• Unique serial number
• Bit- and byte-oriented framing
• Internal oscillator buffer to connect 13.56 MHz quartz, optimised for low phase jitter
• 3.3 V to 5 V operation for transmitter (antenna driver) in short range and proximity applications
• 3.3 V or 5V operation for the digital part