UPD70741 - NEC

UPD70741 V821TM 32-/16-BIT MICROPROCESSOR

DATA SHEET MOS INTEGRATED CIRCUIT µPD70741 V821TM 32-/16-BIT MICROPROCESSOR The µPD70741 (V821) is a 32/16-bit RISC microprocessor that uses, as its processor core, the highperformance 32-bit microprocessor µPD70732 (V810TM) designed for built-in control applications. It incorporates peripheral functions such as a DRAM/ROM controller, 2-channel DMA contr.

Features

The V810 32-bit microprocessor is used as the CPU core
• Separate address/data bus Address bus : 24 bits Data bus : 16 bits
• Built-in 1-Kbyte instruction cache memory
• Pipeline structure of 1-clock pitch
• Internal 4-Gbyte linear address space
• 32-bit general-purpose registers: 32 Instructions ideal for various application fields
• Floating-point operation instructions and bit string instructions Interrupts controller
• Nonmaskable : 1 external input
• Maskable : 8 external inputs and 11 types of internal sources
• Priorities can be specified in units of four groups. Wait control unit
• Cap.