MC908GR8CDWE Datasheet, PDF (28/408 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Freescale Semiconductor, Inc.
General Description
• 4-bit keyboard wakeup port
• 32-pin quad flat pack (QFP) or 28-pin plastic dual-in-line package
(DIP) or 28-pin small outline integrated circuit (SOIC)
• Specific features of the MC68HC908GR8 in 28-pin DIP and 28-pin
SOIC are:
– Port B is only 4 bits: PTB0–PTB3; 4-channel ADC module
– No Port C bits
1.3.2 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
1.4 MCU Block Diagram
Figure 1-1 shows the structure of the MC68HC908GR8.
Technical Data
28
MC68HC908GR8 — Rev 4.0
General Description
For More Information On This Product,
Go to: www.freescale.com
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