ST7LITE49M Datasheet, PDF (1/188 Pages) STMicroelectronics – 8-bit MCU with single voltage Flash memory data EEPROM, ADC, 8/12-bit timers, and I²C interface

ST7LITE49M
8-bit MCU with single voltage Flash memory
data EEPROM, ADC, 8/12-bit timers, and I²C interface
Features
■ Memories
– 4 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
– 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
– 3-level low voltage supervisor (LVD) for
main supply and an auxiliary voltage
detector (AVD) for safe power-on/off
– Clock sources: Internal trimmable 8 MHz
RC oscillator, auto wake-up internal low
power - low frequency oscillator,
crystal/ceramic resonator or external clock
– Five power saving modes: Halt, Active-Halt,
Auto Wake-up from Halt, Wait and Slow
■ I/O Ports
– Up to 24 multifunctional bidirectional I/Os
– 8 high sink outputs
Table 1.
Device summary
Features
Program memory - bytes
RAM (stack) - bytes
Data EEPROM - bytes
Operating supply
CPU frequency
Operating temperature
Packages
LQFP32
(7x7mm)
SDIP32
■ 5 timers
– Configurable watchdog timer
– Dual 8-bit Lite timers with prescaler,
1 real time base and 1 input capture
– Dual 12-bit Auto-reload timers with 4 PWM
outputs, input capture, output compare,
dead-time generation and enhanced one
pulse mode functions
■ Communication interface:
– I²C multimaster interface
■ A/D converter: 10 input channels
■ 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)
ST7LITE49M
4K
384 (128)
128
2.4 to 5.5 V
Up to 8 MHz
-40 to +125 °C
LQFP32, SDIP32
July 2007
Rev 2
1/188
www.st.com
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