MC908QB4CDTE

MC908QB4CDTE Description

The MC908QB4CDTE  is a low-cost, high-performance MCU using the enhanced M68HC08 central processor unit (CPU08) and is available with a variety of modules, memory sizes and types, and package types.

MC908QB4CDTE Features

• High-performance M68HC08 CPU core

• Fully upward-compatible object code with M68HC05 Family

• 5-V and 3-V operating voltages (V_DD)

• 8-MHz internal bus operation at 5 V, 4-MHz at 3 V

• Trimmable internal oscillator

• Software selectable crystal oscillator range, 32–100 kHz, 1–8 MHz, and 8–32 MHz

• Software configurable input clock from either internal or external source

• Auto wakeup from STOP capability using a dedicated internal 32-kHz RC or bus clock source

• On-chip in-application programmable FLASH memory

• On-chip random-access memory (RAM)

• Enhanced serial communications interface (ESCI) Module

• Serial peripheral interface (SPI) module

• 4-channel, 16-bit timer interface (TIM) module

• 10-channel, 10-bit analogue-to-digital converter (ADC) with internal bandgap reference channel (ADC10)

• Up to 13 bidirectional input/output (I/O) lines and one input only

• 6-bit keyboard interrupt with wakeup feature (KBI)

• External asynchronous interrupt pin with internal pullup (IRQ) shared with the general-purpose input pin

• Master asynchronous reset pin with internal pullup (RST) shared with general-purpose input/output (I/O) pin

• Memory-mapped I/O registers

• Power saving stop and wait modes

MC908QB4CDTE Applications

• General Uses