8-Bit MCU with Flash or ROM Memory, ADC, Two 16-Bit Timers, I2C, SPI, SCI Interface

• 4 K or 8 Kbytes Program memory: ROM or Single voltage extended Flash (XFlash) with read-out protection write protection and 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

• Enhanced reset system
• Enhanced low voltage supply supervisor (LVD) with 3 programmable levels and auxiliary voltage detector (AVD) with interrupt capability for implementing safe power-down
• procedures
• Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• PLL for 2x frequency multiplication
• Clock-out capability
• 4 Power Saving Modes: Halt, Active Halt,Wait and Slow

• Nested interrupt controller
• 10 interrupt vectors plus TRAP and RESET
• 22 external interrupt lines (on 2 vectors)

• 22 multifunctional bidirectional I/O lines
• 20 alternate function lines
• 8 high sink outputs

• Main Clock Controller with Real time base and Clock-out capabilities
• Configurable watchdog timer
• Two 16-bit timers with: 2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes
  

• SPI synchronous serial interface
• I2C multimaster interface (SMBus V1.1 Compliant)
• SCI asynchronous serial interface

• 10-bit ADC with 6 input channels

• 8-bit data manipulation
• 63 basic instructions with illegal opcode detection
• 17 main addressing modes
• 8 x 8 unsigned multiply instruction
  

• Full hardware/software development package

Data Sheet

ST7226xGx