FEATURES
• 8-bit architecture CPU core
• 16K-bytes ROM
• 4K-bytes FRAM (Ferroelectric RAM)
• 512 bytes RAM
• 16-bit timer with clock software source select option from internal RC and external clock (internal RC target max. 400kHz, external clock RFCLK/4 or CTCLK)
• 6 MHz maximum internal bus frequency
• Operating voltages: 5V ±10%
• Random number generator
• Full hardware triple Data Encryption Standard
(DES) module with:
– 64-bit data registers
– 2 ´ 56-bit key registers
• Multi-bus speeds (÷1, ÷2, ÷4, or ÷16)
• Watchdog system
• Clock-high frequency filter
• Clock-low frequency reset
• Low-voltage reset
• One bidirectional I/O line (1-bit ISO 7816), with internal pull-up and external interrupt capability
• Simple Direct Memory Access (SDMA) for contactless data transfer
• Contactless mode data rate up to 106Kbps
• Input modulation: ASK 10%, NRZ
• Output modulation: R-load modulation, BPSK,
sub-carrier at 847.5kHz
• Contact / contactless auto-detect

kick here: http://www.microtechinno.com/mt/data/DEFAULT/static/Simplified_Chinese/products/index_cs_contactless_sc.html