ST7LITEUSx 8-bit MCU with single voltage Flash memory, ADC, timers Features ■ Memories – 1K 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: SO8 20 years at 55°C. DIP8150” – 128 bytes RAM. ■ Clock, Reset and Supply Management – 3-level low voltage supervisor (LVD) and aux- iliary voltage detector (AVD) for safe power- on/off procedures DFN8 – Clock sources: internal trimmable 8MHz RC oscillator, internal low power, low frequency RC oscillator or external clock – Five Power Saving Modes: Halt, Auto Wake ■ A/D Converter Up from Halt, Active-Halt, Wait and Slow – 10-bit resolution for 0 to VDD ■ Interrupt Management – 5 input channels – 11 interrupt vectors plus TRAP and RESET ■ Instruction Set – 5 external interrupt lines (on 5 vectors) – 8-bit data manipulation ■ I/O Ports – 63 basic instructions with illegal opcode de- – 5 multifunctional bidirectional I/O lines tection – 1 additional Output line – 17 main addressing modes – 6 alternate function lines – 8 x 8 unsigned multiply instruction – 5 high sink outputs ■ Development Tools ■ 2 Timers – Full hardware/software development package – One 8-bit Lite Timer (LT) with prescaler in- – Debug Module cluding: watchdog, one realtime base and one 8-bit input capture. – One 12-bit Auto-reload Timer (AT) with output compare function and PWM Table 1. Device summaryST7ULTRALITEFeaturesST7LITEUS2ST7LITEUS5 Program memory - bytes 1K RAM (stack) - bytes 128 (64) 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 +85°C / -40°C to 125°C Packages SO8 150”, DIP8, DFN8, DIP161) Note 1: For development or tool prototyping purposes only. Not orderable in production quantities. Rev. 4 January 2007 1/108 1