Part # ST7SCR1E4 ST7SCR1R4 ST7SCR datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I F, TIMER


Part Details:

ST7SCR 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER Memories ­ Up to 16K of ROM or High Density Flash (HD- Flash) program memory with read/write pro- tection, HDFlash In-Circuit and In-Application Programming. 100 write/erase cycles guaran- teed, data retention: 40 years at 55°C ­ Up to 768 bytes of RAM including up to 128 bytes stack and 256 bytes USB buffer LQFP64 14x14 SO24 QFN24 Clock, Reset and Supply Management ­ Low Voltage Reset­ 2 power saving modes: Halt and Wait modes ISO7816-3 UART Interface ­ PLL for generating 48 MHz USB clock using a ­ 4 Mhz Clock generation 4 MHz crystal ­ Synchronous/Asynchronous protocols (T=0, Interrupt Management T=1) ­ Nested Interrupt Controller ­ Automatic retry on parity error USB (Universal Serial Bus) Interface ­ Programmable Baud rate from 372 clock puls- ­ 256-byte buffer for full speed bulk, control and es up to 11.625 clock pulses (D=32/F=372) interrupt transfer types compliant with USB ­ Card Insertion/Removal Detection specification (version 2.0) Smartcard Power Supply ­ On-Chip 3.3V USB voltage regulator and ­ Selectable card V transceivers with software power-down CC 1.8V, 3V, and 5V ­ Internal Step-up converter for 5V supplied ­ 7 USB Endpoints: Smartcards (with a current of up to 55mA) us- One 8-byte Bidirectional Control Endpoint ing only two external components. One 64-byte In Endpoint, ­ Programmable Smartcard Internal Voltage One 64-byte Out Endpoint Regulator (1.8V to 3.0V) with current overload Four 8-byte In Endpoints protection and 4 KV ESD protection (Human 35 or 4 I/O ports Body Model) for all Smartcard Interface I/Os ­ Up to 4 LED outputs with software program- One 8-bit Timer mable constant current (3 or 7 mA). ­ Time Base Unit (TBU) for generating periodic ­ 2 General purpose I/Os programmable as in-


Please click the following link to download the datasheet:

ST7SCR1E4 ST7SCR1R4 ST7SCR.pdf Datasheet