■DESCRIPTION

The MB91319 series is the microcontrollers which use a high-performance 32-bit RISC-CPU and contains various types of I/O resources for the embedded control that requires high-performance and high-speed CPU processing. It is suitable for the embedded control in TV or PDP, requiring high-performance CPU processing power. This product is one of the FR60 familybased on the FR30/40 family CPU with enhanced bus access. It is applicable to faster-speed application.

■FEATURE

•FR CPU
• 32-bit RISC, load/store architecture with a five-stage pipeline
• Operating frequency : 40 MHz (Use of PLL : Oscillation 10 MHz)
• 16-bit fixed length instructions (basic instructions) , 1 instruction per cycle
• Memory-to-memory transfer, bit manipulation, instruction for barrel shift etc. : Instruction set optimized for embedded applications
• Function entry/exit instructions, multiple-register load/store instructions : Instructions adapted for high-level languages
• Register interlock functions: Facilitating coding in assemblers
• Built-in multiplier with instruction-level support
32-bit multiplication with sign : 5 cycles
16-bit multiplication with sign : 3 cycles
• Interrupt (PC, PS save) : 6 cycles, 16 priority levels
• Harvard architecture allowing program accessand data access to be executed simultaneously
• Instruction prefetch function implemented by a four-word queue in the CPU
• Instruction compatible with FR family