8-BIT MCU
Description
ST7LITE1xB
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI
■ Memories
– up to 4 Kbytes single voltage extended Flash (XFlash) Program memory with read-out protection, In-Circuit Programming and In-Application programming (ICP and IAP).
10K write/ erase cycles guaranteed, data retention: 20 years at 55°C.
– 256 bytes RAM
– 128 bytes data EEPROM with read-out protection.
300K write/erase cycles guaranteed, data retention: 20 years at 55°C.
■ Clock, Reset and Supply Management
– Enhanced reset system
– Enhanced low voltage supervisor (LVD) for main supply and an auxiliary voltage detector (AVD) with interrupt capability for implementing safe power-down procedures
– Clock sources: Internal 1% RC oscillator (on ST7FLITE15B and ST7FLITE19B), crystal/ ceramic resonator or external clock
– Internal 32-MHz input clock for Auto-reload timer
– Optional x4 or x8 PLL for 4 or 8 MHz internal clock
– Five Power Saving Modes: Halt, Active-Halt, Auto Wake-up from Halt, Wait and Slow
■ I/O Ports
– Up to 17 multifunctional bidirectional I/O lines
– 7 high sink outputs
■ 5 Timers
– Configurable watchdog timer
– Two 8-bit Lite Timers with prescaler, 1 realtime base and 1 input capture
– Two 12-bit Auto-reload Timers with 4 PWM
Device Summary
DIP20
SO20
QFN20
DIP16
SO16 300”
outputs, 1 input capture, 4 output compare
and one pulse functions
■ Communication Interface
– SPI synchronous serial interface
■ Interrupt Management
– 12 interrupt vectors plus TRAP and RESET
– 15 external interrupt lines (on 4 vectors)
■ Analog Comparator
■ A/D Converter
– 7 input channels
– Fixed gain Op-amp
– 13-bit precision for 0 to 430 mV (@ 5V VDD) – 10-bit precision for 430 mV to 5V (@ 5V VDD)
■ Instruction Set
– 8-bit data manipulation
– 63 basic instructions with illegal opcode detection
– 17 main addressing modes
– 8 x 8 unsigned multiply instructions
■ Development Tools
– Full hardware/software development package
– DM (Debug Module)
Features
ST7LIT...
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