8-bit MCU
Description
ST7LITEUSx
8-bit MCU with single voltage Flash memory, ADC, timers
Features
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.
www.
DataSheet4U.
com – 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
■
DIP8
SO8 150”
DFN8
■
■
■
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
Table 1.
Device summary
Features Program memory - bytes RAM (stack) - bytes Peripherals ADC Operating Supply CPU Frequency Operating Temperature Packages ST7ULTRALITE ST7LITEUS2 ST7LITEUS5 1K 128 (64) LT Timer w/ Wdg, AT Timer w/ 1 PWM 10-bit 2.
4V to 3.
3V @fCPU=4MHz, 3.
3V to 5.
5V @fCPU=8MHz up to 8MHz RC -40°C to +85°C / -40°C to 125°C 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
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