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1 / 115 page May 2007 1/115 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Rev. 1 ST7LITEU05 ST7LITEU09 8-bit MCU with single voltage Flash memory, ADC, timers PRELIMINARY DATA Features ■ Memories – 2K Bytes single voltage Flash Program mem- ory with read-out protection, In-Circuit and In- Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention: 20 years at 55°C – 128 bytes RAM – 128 bytes data EEPROM. 300K write/erase cycles guaranteed, data retention: 20 years at 55°C ■ Clock, Reset and Supply Management – 3-level low voltage supervisor (LVD) and aux- iliary voltage detector (AVD) for safe power- on/off procedures – Clock sources: internal trimmable 8MHz RC oscillator, internal low power, low frequency RC oscillator or external clock – Five Power Saving Modes: Halt, Auto Wake Up from Halt, Active-Halt, Wait and Slow ■ Interrupt Management – 11 interrupt vectors plus TRAP and RESET – 5 external interrupt lines (on 5 vectors) ■ I/O Ports – 5 multifunctional bidirectional I/O lines – 1 additional Output line – 6 alternate function lines – 5 high sink outputs ■ 2 Timers – One 8-bit Lite Timer (LT) with prescaler in- cluding: watchdog, 1 realtime base and 1 in- put capture – One 12-bit Auto-reload Timer (AT) with output compare function and PWM ■ A/D Converter – 10-bit resolution for 0 to VDD – 5 input channels ■ Instruction Set – 8-bit data manipulation – 63 basic instructions with illegal opcode de- tection – 17 main addressing modes – 8 x 8 unsigned multiply instruction ■ Development Tools – Full hardware/software development package – Debug Module Table 1. Device summary Note 1: For development or tool prototyping purposes only. Not orderable in production quantities. DIP8 SO8 150” DFN8 Features ST7ULTRALITE ST7LITEU05 ST7LITEU09 Program memory - bytes 2K RAM (stack) - bytes 128 (64) EEPROM -bytes - 128 Peripherals LT Timer w/ Wdg, AT Timer w/ 1 PWM ADC 10-bit Operating Supply 2.4V to 3.3V @fCPU=4MHz, 3.3V to 5.5V @fCPU=8MHz CPU Frequency up to 8MHz RC Operating Temperature -40°C to +125°C Packages SO8 150”, DIP8, DFN8, DIP161) 1 |
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