Features
HCS12 Core
– 16-bit HCS12 CPU
i. Upward compatible with M68HC11 instruction set
ii. Interrupt stacking and programmer’s model identical to M68HC11
iii. Instruction queue
iv. Enhanced indexed addressing
System Integration Module (SIM)
– MEBI (Multiplexed External Bus Interface)
– MMC (Memory Map and Interface)
– INT (Interrupt Controller)
– DBG (Debugger)
– BDM (Background Debug Mode)
Oscillator
– 4Mhz to 16Mhz frequency range
– Pierce with amplitude loop control
– Clock monitor
Clock and Reset Generator (CRG)
– Phase-locked loop clock frequency multiplier
– Self Clock mode in absence of external clock
– COP watchdog
– Real Time interrupt (RTI)
Memory
– 128K Byte Flash EEPROM
i. Internal program/erase voltage generation
ii. Security and Block Protect bits
iii. Hamming Error Correction Coding (ECC)
– 2K Byte EEPROM
– 8K Byte static RAM
Single-cycle misaligned word accesses without wait states
Analog-to-Digital Converter (ADC)
– 16-channel module with 10-bit resolution
– External conversion trigger capability
8-channel Timer (TIM)
– Programmable input capture or output compare channels
– Simple PWM mode
– Counter Modulo Reset
– External Event Counting
– Gated Time Accumulation
8-channel Pulse Width Modulator (PWM)
– Programmable period and duty cycle per channel
– 8-bit 8-channel or 16-bit 4-channel
– Edge and and center aligned PWM signals
– Emergency shutdown input
Two 1M bit per second, CAN 2.0 A, B software compatible modules
– Five receive and three transmit buffers
– Flexible identifier filter programmable as 2 x 32 bit, 4 x 16 bit or 8 x 8 bit
– Four separate interrupt channels for Rx, Tx, error and wake-up
– Low-pass filter wake-up function
– Loop-back for self test operation
Serial interfaces
– Two asynchronous serial communication interface (SCI)
Infrared capability
– Three synchronous serial peripheral interface (SPI)
– Inter-IC Bus (IIC)
Internal 2.5V Regulator
– Input voltage range from 3.15V to 5.5V
– Low power mode capability
– Low Voltage Reset (LVR) and Low Voltage Interrupt (LVI)
20 key wake up inputs
– Rising or falling edge triggered interrupt capability
– Digital filter to prevent short pulses from triggering interrupts
– Programmable pull ups and pull downs
Operating frequency for ambient temperatures (TA -40°C to 125°C)
– 50MHz equivalent to 25MHz Bus Speed
112-Pin LQFP or 80-Pin QFP package
– I/O lines with 3.3V/5V input and drive capability
– 3.3V/5V A/D converter inputs