St7ultralite - 8-bit Mcu with Single Voltage Flash Memory, Adc, Timers

Rev. 3 ■ Memories – 1K bytes single voltage Flash Program memory with read-out protection, In-Circuit and InApplication Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention: 20 years at 55°C. – 128 bytes RAM. ■ Clock, Reset and Supply Management – 3-level low voltage supervisor (LVD) and auxiliary voltage detector (AVD) for safe poweron/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 including: watchdog, one realtime base and one 8-bit input 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 detection – 17 main addressing modes – 8 x 8 unsigned multiply instruction ■ Development Tools – Full hardware/software development package – Debug Module