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Features

? 8-Bit HCS08 Central Processor Unit (CPU)

– Up to 20 MHz CPU at 3.6 V to 1.8 V across temperature range of –40 °C to 85 °C

– HC08 instruction set with added BGND instruction

– Support for up to 32 interrupt/reset sources

? On-Chip Memory

– Up to 8 KB flash memory read/program/erase over full operating voltage and temperature

– Up to 512 bytes random-access memory (RAM)

– Security circuitry to prevent unauthorized access to RAM and flash contents

? Power-Saving Modes

– Two very low power stop modes

– Peripheral clock enable register can disable clocks to unused modules, thereby reducing currents

– Low power run

– Low power wait

– 6 μs typical wakeup time from stop3 mode

– Typical stop current of 250 nA at 3 V, 25 °C

? Clock Source Options

– Oscillator (XOSC) — Very low-power, loop-control Pierce oscillator; crystal or ceramic resonator range of 31.25 kHz to 38.4 kHz or 1 MHz to 16 MHz

– Internal Clock Source (ICS) — Internal clock source module containing a frequency-locked-loop (FLL) controlled by internal reference; precision trimming of internal reference allows 0.2 resolution and 2 deviation over temperature and voltage; supports bus frequencies from 1 MHz to 10 MHz

? System Protection

– Watchdog computer operating properly (COP) reset with option to run from dedicated 1 kHz internal clock source or bus clock

– Low-voltage detection with reset or interrupt; selectable trip points

– Illegal opcode detection with reset

– Illegal address detection with reset

– Flash block protection

? Development Support

– Single-wire background debug interface

– Breakpoint capability to allow single breakpoint setting during in-circuit debugging

? Peripherals

– ADC — 8-channel, 12-bit resolution; 2.5 μs conversion time; automatic compare function; 1.7 mV/°C temperature sensor; internal bandgap reference channel; operation in stop3; fully functional from 3.6 V to 1.8 V.

– ACMP — Analog comparator with selectable interrupt on rising, falling, or either edge of comparator output; compare option to fixed internal bandgap reference voltage; output can be tied internally to TPM input capture; operation in stop3

– TPM — One 1-channel timer/pulse-width modulator (TPM) module; selectable input capture, output compare, or buffered edge- or center-aligned PWM on each channel; ACMP output can be tied internally to input capture

– MTIM — 8-bit modulo timer module with optional prescaler

– RTC — (Real-time counter) 8-bit modulo counter with binary or decimal based prescaler; external clock source for precise time base, time-of-day, calendar or task scheduling functions; free running on-chip low power oscillator (1 kHz) for cyclic wakeup without external components; runs in all MCU modes

– SCI — Full duplex non-return to zero (NRZ); LIN master extended break generation; LIN slave extended break detection; wakeup on active edge

– KBI — 8-pin keyboard interrupt with selectable edge

and level detection modes

? Input/Output

– 22 GPIOs and one input-only and one output-only pin.

– Hysteresis and configurable pullup device on all input pins; configurable slew rate and drive strength on all output pins except PTA5.

? Package Options

– 28-pin SOIC, 24-pin QFN, 16-pin TSSOP