The architecture of the ST10F276E combines advantages of both RISC and CISC processors and an advanced peripheral subsystem. The block diagram gives an overview of the different on-chip components and the high bandwidth internal bus structure of the ST10F276E.
**Key Features**
Highly performance 16-bit CPU with DSP functions
31.25ns instruction cycle time at 64MHz max CPU clock
Multiply/accumulate unit (MAC) 16 x 16-bit multiplication, 40-bit accumulator
Enhanced boolean bit manipulations
Single-cycle context switching support
On-chip memories
512 Kbyte Flash memory (32-bit fetch)
320 Kbyte extension Flash memory (16-bit fetch)
Single voltage Flash memories with erase/program controller and 100K erasing/programming cycles
Up to 16 Mbyte linear address space for code and data (5 Mbytes with CAN or I2C)
2 Kbyte internal RAM (IRAM)
66 Kbyte extension RAM (XRAM)
External bus
Programmable external bus configuration & characteristics for different address ranges
5 programmable chip-select signals
Hold-acknowledge bus arbitration support
Interrupt
8-channel peripheral event controller for single cycle interrupt driven data transfer
16-priority-level interrupt system with 56 sources, sampling rate down to 15.6ns
Timers
2 multi-functional general purpose timer units with 5 timers
Two 16-channel capture / compare units
4-channel PWM unit + 4-channel XPWM
A/D converter
24-channel 10-bit
3 μs minimum conversion time
Serial channels
2 synch. / asynch. serial channels
2 high-speed synchronous channels
1 I2C standard interface
2 CAN 2.0B interfaces operating on 1 or 2 CAN busses (64 or 2x32 message, C-CAN version)
Fail-safe protection
Programmable watchdog timer
Oscillator watchdog
On-chip bootstrap loader
Clock generation
On-chip PLL with 4 to 12 MHz oscillator
Direct or prescaled clock input
Real-time clock and 32 kHz on-chip oscillator
Up to 111 general purpose I/O lines
Individually programmable as input, output or special function
Programmable threshold (hysteresis)
Idle, power down and stand-by modes
Single voltage supply: 5V ±10% (embedded regulator for 1.8 V core supply)
