Description

The MC908EY8ACFJE is an electronic component model belonging to the Microcontrollers product category. It is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs). The MC908EY8ACFJE utilizes the enhanced M68HC08 central processor unit (CPU08) and is available with a variety of modules, memory sizes and types, and package types.

Specifications and features

For convenience, features have been organized to reflect the standard features of the MC68HC908EY16A and features of the CPU08.

Application Scenarios

The MC908EY8ACFJE is suitable for various applications including but not limited to controller applications, local interconnect network (LIN) connectivity, and in-circuit debugging.

Comparison

• High-performance M68HC08 architecture optimized for C-compilers
• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
• 8-MHz internal bus frequency at 5V
• Internal oscillator requiring no external components
• 15,872 bytes of on-chip FLASH memory with in-circuit programming
• 512 bytes of on-chip random-access memory (RAM)
• Low voltage inhibit (LVI) module
• Internal clock generator module (ICG)
• Two 16-bit, 2-channel timer (TIMA and TIMB) interface modules
• 8-channel, 10-bit successive approximation analog-to-digital converter (ADC)
• Enhanced serial communications interface module (ESCI) for LIN connectivity
• Serial peripheral interface (SPI)
• Timebase Module (TBM)
• 5-bit keyboard wakeup port
• 24 general-purpose input/output (I/O) pins
• External asynchronous interrupt pin with internal pullup (IRQ)
• System protection features
• 32-pin quad flat pack (QFP) package
• Low-power design with stop and wait modes
• Internal pullups on IRQ and RST to reduce customer system cost
• Standard low-power modes of operation
• Master reset pin (RST) and power-on reset (POR)
• BREAK module (BRK) for in-circuit debugging
• Higher current source capability on nine port lines for LED drive

• No specific disadvantages found