ST7FSCR1T1

ST7SCR1E4, ST7SCR1R4 8-bit low-power, full-speed USB MCU with 16-Kbyte Flash, 768-byte RAM, smartcard interface and timer Datasheet − production data Features Memories ■ Up to 16 Kbytes of ROM or High Density Flash (HDFlash) program memory with read/write protection, HDFlash In-Circuit and In-Application Programming. 100 write/erase cycles guaranteed, data retention: 40 years at 55°C ■ Up to 768 bytes of RAM including up to 128 bytes stack and 256 bytes USB buffer Clock, reset and supply management ■ Low voltage reset ■ 2 power saving modes: Halt and Wait modes ■ PLL for generating 48 MHz USB clock using a 4 MHz crystal Interrupt management ■ Nested Interrupt controller USB (Universal Serial Bus) interface ■ 256-byte buffer for full speed bulk, control and interrupt transfer types compliant with USB specification (version 2.0) ■ On-Chip 3.3V USB voltage regulator and transceivers with software power-down ■ 7 USB endpoints: – One 8-byte Bidirectional Control Endpoint – One 64-byte In Endpoint, – One 64-byte Out Endpoint – Four 8-byte In Endpoints 35 or 4 I/O ports ■ Up to 4 LED outputs with software programmable constant current (3 or 7 mA). ■ 2 General purpose I/Os programmable as interrupts ■ Up to 8 line inputs programmable as interrupts ■ Up to 20 outputs ■ 1 line assigned by default as static input after reset LQFP64 14x14 SO24 QFN24 ISO7816-3 UART interface ■ 4 MHz clock generation ■ Synchronous/Asynchronous protocols (T=0, T=1) ■ Automatic retry on parity error ■ ...