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 (VDD)
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
