ST7DALIF2 Datasheet, PDF (1/171 Pages) STMicroelectronics – Configurable watchdog timer

ST7DALIF2
8-bit MCU family with single voltage Flash memory,
data EEPROM, ADC, timers, SPI, DALI
Features
■ Memories
– 8 Kbytes single voltage Flash Program
memory with readout protection, In-Circuit
Programming and In-Application
programming (ICP and IAP). 10K
write/erase cycles guaranteed, data
retention: 20 years at 55°C.
– 384 bytes RAM
– 256 bytes data EEPROM with readout
protection. 300K write/erase cycles
guaranteed, data retention: 20 yrs 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,
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
– 5 power saving modes: Halt, Active-halt,
Wait and Slow, Auto Wake Up From Halt
■ I/O ports
– Up to 15 multifunctional bidirectional I/Os
– 7 high sink outputs
■ 4 timers
– Configurable watchdog timer
– Two 8-bit Lite timers with prescaler,
watchdog, 1 real-time base and 1 input
capture
– 12-bit auto-reload timer with 4 PWM
outputs, input capture and output compare
functions
SO20
300”
■ 2 communication interfaces
– SPI synchronous serial interface
– DALI communication interface
■ Interrupt management
– 10 interrupt vectors plus TRAP and RESET
– 15 external interrupt lines (on 4 vectors)
■ A/D converter
– 7 input channels
– Fixed gain op-amp
– 13-bit resolution for 0 to 430 mV (@ 5 V
V_DD)
– 10-bit resolution for 430 mV to 5 V (@ 5 V
V_DD)
■ 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)
February 2009
Rev 3
1/171
www.st.com
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