The XC835/836 has the following features:
• High-performance XC800 Core
– compatible with standard 8051 processor
– two clocks per machine cycle architecture (for memory access without wait state)
– two data pointers
• On-chip memory
– 8 Kbytes of Boot ROM, Library ROM and User routines
– 256 bytes of RAM
– 256 bytes of XRAM
– 4/8 Kbytes of Flash (includes memory protection strategy)
• I/O port supply at 2.5 V - 5.5 V and core logic supply at 2.5 V (generated by embedded voltage regulator)
• Power saving modes
– idle mode
– power-down mode with wake-up capability via real-time clock event
– clock gating control to each peripheral
• Programmable 16-bit Watchdog Timer (WDT) running on independent oscillator with programmable window feature for refresh operation and warning prior to overflow
• Three general purpose I/O ports
– 4 high current I/O
– 2 high sink I/O
– Up to 25 pins as digital I/O
– Up to 8 pins as digital/analog input
• Up to 8 channels, 10-bit A/D Converter
– support up to 7 differential input channel
– results filtering by data reduction or digital low-pass filter, for up to 13-bit results
• Up to 8 channels, Out of range comparator
• Three 16-bit timers
– Timer 0 and Timer 1 (T0 and T1)
– Timer 2 (T2)
• Real-time clock with 32.768 kHz crystal pad
• 16-bit Vector Computer for Field-Oriented Control (FOC)
– Multiplication/Division Unit (MDU) for arithmetic calculation
– CORDIC Unit for trigonometric calculation
• Capture and Compare unit for PWM signal generation (CCU6)
• A full-duplex or half-duplex serial interface (UART)
• Synchronous serial channel (SSC)
• Inter-IC (IIC) serial interface
• LED and Touch-sense Controller (LEDTSCU)
• Software libraries to support fixed-point control and EEPROM emulation
• On-chip debug support via single pin DAP interface (SPD)
• Packages:
– PG-DSO-24
– PG-TSSOP-28
• Temperature range TA: – SAF (-40 to 85 °C)