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ST7LCRDIE6 Datasheet(PDF) 1 Page - STMicroelectronics |
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ST7LCRDIE6 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 29 page  October 2007 Rev 1 1/29 1 ST7LCRE4U1 ST7LCRDIE6 Full-speed USB MCU with smartcard interface Features ■ Clock, reset and supply management – Low voltage reset – Halt power saving mode – PLL for generating 48 MHz USB clock using a 4 MHz crystal ■ USB (Universal Serial Bus) host interface – USB 2.0 compliant – CCID v1.0 – Full speed, hubless – Bus-powered, low consumption ■ ISO7816-3 UART Interface – 4 MHz clock generation – Synchronous/asynchronous protocols (T=0, T=1) – Automatic retry on parity error – Programmable baud rate from 372 to 11.625 clock pulses (D=32/F=372) – Card insertion/removal detection ■ Smartcard power supply – Fixed card VCC: 1.8 V, and 3 V – Internal step-up converter for 5 V supplied smartcards (with current of up to 55 mA) using only two external components – Programmable smartcard internal voltage regulator (1.8 to 3.0V) with current overload protection and 4 kV ESD protection (human body model) for all smartcard Interface I/Os ■ Development tools – Full hardware/software development package. – Fully compatible with Flash ST7FSCR family for development purposes ■ ECOPACK® package Description ST7LCRE4U1 and ST7LCRDIE6 are an 8-bit microcontrollers dedicated to smartcard reading applications. They have been developed to be the core of smartcard readers communicating through USB link. Optimized for mass-market applications, it offers a single integrated circuit solution with very few external components. VFQFPN24(Y1) DIE Table 1. Device summary Features Part numbers ST7LCRE4U1 ST7LCRDIE6 Program memory 16 Kbyte of ROM User RAM + USB data buffer 512 + 256 bytes Peripherals USB full-speed (7 Ep), TBU, watchdog timer, ISO7816-3 interface Operating Supply 4.0 to 5.5 V Package VFQFPN24 Die format (Refer to Die Specifications) CPU Frequency 4 or 8 MHz Operating temperature 0°C to +70 °C www.st.com |
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