MC908QY4ACDWE

The MC908QY4ACDWE is a 8-bit EEPROM Emulation Microcontroller based on high-performance M68HC08 CPU with CISC architecture operates at a maximum internal bus frequency of 8MHz. The device incorporates 4096byte internal flash, on-chip random-access memory (RAM), 6-channel 10-bit A/D converter and 14 general-purpose I/O pins. This device also features peripherals like 2-channel 16-bit timer interface (TIM) module. This device is fully upward-compatible object code with M68HC05 family.

• Enhanced HC05 programming model
• Extensive loop control functions
• 16 Addressing modes (eight more than the HC05)
• 16-bit Index register and stack pointer
• Memory-to-memory data transfers
• Fast 8 x 8 Multiply instruction
• Fast 16/8 divide instruction
• Binary-coded decimal (BCD) instructions
• Efficient C language support
• Software selectable crystal oscillator range, 32-100kHz, 1-8MHz and 8-32MHz
• Software configurable input clock from either internal or external source
• Auto wakeup from STOP capability using dedicated internal 32-kHz RC or bus clock source
• 6-bit Keyboard interrupt with wakeup feature (KBI)
• Low-voltage inhibit (LVI) module features - software selectable trip point
• Computer operating properly (COP) watchdog
• Low-voltage detection with reset
• Illegal opcode detection with reset
• Illegal address detection with reset
• External asynchronous interrupt pin with internal pull-up (IRQ)
• Master asynchronous reset pin with internal pull-up (RST)
• Memory mapped I/O registers
• Power saving stop and wait modes