ST10R172LT1 Datasheet - STMicroelectronics

■ High Performance 16-bit CPU
   ● CPU Frequency: 0 to 50 MHz
   ● 40ns instruction cycle time at 50-MHz CPU clock
   ● 4-stage pipeline
   ● Register-based design with multiple variable register banks
   ● Enhanced boolean bit manipulation facilities
   ● Additional instructions to support HLL and operating systems
   ● Single-cycle context switching support
   ● 1024 bytes on-Chip special function register area
■ Memory Organisation
   ● 1KByte on-chip RAM
   ● Up to 16 MBytes linear address space for code and data (1 MByte with SSP used)
■ External Memory Interface
   ● Programmable external bus characteristics for different address ranges
   ● 8-bit or 16-bit external data bus
   ● Multiplexed or demultiplexed external address/data buses
   ● Five programmable chip-select signals
   ● Hold and hold-acknowledge bus arbitration support
■ One Channel PWM Unit
■ Fail Safe Protection
   ● Programmable watchdog timer
   ● Oscillator Watchdog
■ Interrupt
   ● 8-channel interrupt-driven single-cycle data transfer facilities via peripheral event controller (PEC)
   ● 16-priority-level interrupt system with 17 sources, sample-rate down to 40 ns
■ Timers
   ● Two multi-functional general purpose timer units with 5 timers
   ● Clock Generation via on-chip PLL, or via direct or prescaled clock input
■ Serial Channels
   ● Synchronous/asynchronous
   ● High-speed-synchronous serial port SSP
■ Up to 77 general purpose I/O lines
■ No bootstrap loader
■ Electrical Characteristics
   ● 5V Tolerant I/Os
   ● 5V Fail-Safe Inputs (Port 5)
   ● Power: 3.3 Volt +/-0.3V
   ● Idle and power down modes
■ Support
   ● C-compilers, macro-assembler packages, emulators, evaluation boards, HLL debuggers, simulators, logic analyser disassemblers, programming boards
■ Package
   ● 100-Pin Thin Quad Flat Pack (TQFP)