Features
Features of the MC68HC08AS32A — include:
• High-performance M68HC08 architecture
• Fully upward-compatible object code with M6805, M146805, and M68HC05
Families
• 8.4-MHz internal bus frequency
• 32,256 bytes of read-only memory (ROM)
• ROM data security
• 512 bytes of on-chip electrically erasable programmable read-only memory
(EEPROM)
• 1024 bytes of on-chip random-access memory (RAM)
• Serial peripheral interface module (SPI)
• Serial communications interface module (SCI)
• 16-bit, 6-channel timer interface module (TIM)
• Clock generator module (CGM)
• 8-bit, 15-channel analog-to-digital converter module (ADC)
• SAE J1850 byte data link controller digital module (BDLC-D)
• System protection features:
– Computer operating properly (COP) with optional reset
– Low-voltage detection with optional reset
– Illegal opcode detection with optional reset
– Illegal address detection with optional reset
• Low-power design (fully static with stop and wait modes)
• Master reset pin and power-on reset
Features of the CPU08 include:
• 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 × 8 multiply instruction
• Fast 16/8 divide instruction
• Binary-coded decimal (BCD) instructions
• Optimization for controller applications
• C language support