MC908JB16DWE Datasheet, PDF (31/332 Pages) Freescale Semiconductor, Inc – Microcontrollers

General Description
• Serial communications interface module (SCI)
• Dual clock generator modules (CGM) (32-pin package)
• In-circuit programming capability using USB communication or
standard serial link on PTA0 pin
• System protection features:
– Optional computer operating properly (COP) reset
– Optional Low-voltage detection with reset
– Illegal opcode detection with reset
– Illegal address detection with reset
• Master reset pin with internal pull-up and power-on reset
• IRQ interrupt pin with internal pull-up and schmitt-trigger input
• 32-pin low-profile quad flat pack (LQFP) and 28-pin small outline
integrated circuit package (SOIC)
Features of the CPU08 include the following:
• 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
• Third party C language support
1.4 MCU Block Diagram
Figure 1-1 shows the structure of the MC68HC908JB16.
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor
General Description
Technical Data
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