MC68HC908LB8_05 Datasheet, PDF (19/234 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

• Selectable pullups on ports A and C
– Selection on an individual port bit basis
– During output mode, pullups are disengaged
• High current 8-mA sink / 10-mA source capability on all port pins
1.2.2 Features of the CPU08
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
• Efficient C language support
1.3 MCU Block Diagram
Figure 1-1 shows the structure of the MC68HC908LB8.
MCU Block Diagram
MC68HC908LB8 Data Sheet, Rev. 1
Freescale Semiconductor
19