ST7LITE49K2 Datasheet, PDF (1/245 Pages) STMicroelectronics – Communication interfaces

ST7LITE49K2
8-bit MCU with single voltage Flash memory,
data EEPROM, ADC, 8/12/16-bit timers, SPI and I²C interface
Features
■ Memories
– 8 Kbytes single voltage extended Flash
(XFlash) program memory with
Read-out protection
In-circuit programming and in-application
programming (ICP and IAP)
Endurance: 10K write/erase cycles
guaranteed
Data retention: 20 years at 55 °C
– 384 bytes RAM
– 256 bytes data EEPROM with Read-Out
Protection.
300K write/erase cycles guaranteed,
data retention: 20 years at 55 °C.
■ Clock, Reset and Supply Management
– Low voltage supervisor (LVD) for safe
power-on/off
– Clock sources: Internal trimmable 8 MHz
RC oscillator, auto-wakeup internal low
power - low frequency oscillator,
crystal/ceramic resonator or external clock
– Five power saving modes: Halt, Active-halt,
Auto-wakeup from Halt, Wait and Slow
– Internal 32-MHz input clock for Autoreload
timer
■ I/O Ports
– Up to 24 multifunctional bidirectional I/Os
– 8 high sink outputs
■ 6 timers
– Configurable watchdog timer
– Dual 8-bit Lite timers with prescaler,
1 real time base and 1 input capture
– Dual 12-bit Autoreload timers with 4 PWM
outputs, input capture, output compare,
dead-time generation and enhanced one
pulse mode functions
LQFP32
7x7
PDIP32S
■ Communication interfaces:
– I²C multimaster interface
– SPI synchronous serial interface
■ 2 analog comparators
– Internal voltage reference module
■ A/D Converter
– 10 input channels
– Fixed gain Op-amp
■ Interrupt management
– 13 interrupt vectors plus TRAP and RESET
■ 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 HW/SW development package
– DM (Debug module)
February 2009
Rev 4
1/245
www.st.com
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