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
– 12 Kbytes of Boot ROM
– 256 bytes of RAM
– 1.5 Kbytes of XRAM
– 24/32 Kbytes of Flash; or
24/32 Kbytes of ROM, with additional 4 Kbytes of Flash
(includes memory protection strategy)
• I/O port supply at 3.3 V or 5.0 V and core logic supply at 2.5 V
(generated by embedded voltage regulator)
• Power-on reset generation
• Brownout detection for core logic supply
• On-chip OSC and PLL for clock generation
– PLL loss-of-lock detection
• Power saving modes
– slow-down mode
– idle mode
– power-down mode with wake-up capability via RXD or EXINT0
– clock gating control to each peripheral
• Programmable 16-bit Watchdog Timer (WDT)
• Six ports
– 34/48 pins as digital I/O
– 8 pins as digital/analog input
• 8-channel, 10-bit ADC
• Four 16-bit timers
– Timer 0 and Timer 1 (T0 and T1)
– Timer 2 and Timer 21
• Multiplication/Division Unit for arithmetic operations (MDU)
• CORDIC Coprocessor for computation of trigonometric, hyperbolic
and linear functions
• MultiCAN with 2 nodes, 32 message objects (MCAN)
• Capture/compare unit for PWM signal generation (CCU6)
• Two full-duplex serial interfaces (UART and UART1)
• Synchronous serial channel (SSC)
• On-chip debug support
– 1 Kbyte of monitor ROM (part of the 12-Kbyte Boot ROM)
– 64 bytes of monitor RAM
• Packages:
– PG-TQFP-48
– PG-TQFP-64
• Temperature range TA:
– SAF (-40 to 85 °C)
– SAK (-40 to 125 °C)
