Description

Electronic Component Model: MCHC908QY1MDWE is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs). It is a Complex Instruction Set Computer (CISC) with a Von Neumann architecture. The MCUs in this family use the enhanced M68HC08 central processor unit (CPU08) and are available with a variety of modules, memory sizes and types, and package types.

Specifications and features

Features of MCHC908QY1MDWE include:

• 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
• Auto wakeup from STOP capability
• Configuration (CONFIG) register for MCU configuration options
• In-system FLASH programming
• FLASH security
• On-chip in-application programmable FLASH memory
• 128 bytes of on-chip random-access memory (RAM)
• 2-channel, 16-bit timer interface module (TIM)
• 4-channel, 8-bit analog-to-digital converter (ADC)
• 5 or 13 bidirectional input/output (I/O) lines and one input only
• 6-bit keyboard interrupt with wakeup feature (KBI)
• Low-voltage inhibit (LVI) module
• System protection features
• External asynchronous interrupt pin with internal pullup (IRQ)
• Master asynchronous reset pin (RST) shared with general-purpose input/output (I/O) pin
• Power-on reset
• Internal pullups on IRQ and RST to reduce external components
• Memory mapped I/O registers
• Power saving stop and wait modes
• Available in different packages

Application Scenarios

The MCHC908QY1MDWE microcontroller can be used in various electronic applications that require low-cost and high-performance microcontrollers. It is suitable for applications such as embedded systems, home automation, industrial control systems, and electronic devices.

Comparison

• Low-cost
• High-performance
• Flexible package options
• Upward-compatible with M68HC05 Family
• Trimmable internal oscillator for accurate timing
• On-chip FLASH memory for in-application programming
• Multiple I/O lines for interfacing with other devices
• Integrated analog-to-digital converter

• Limited memory size compared to other microcontrollers
• May require learning curve for programming and configuring
• Does not support higher voltages