Features: · Static CMOS Design with Low-Power Standby Mode Option· 32-Bit Internal Data Paths and ALU· Operating Frequency - DC-to-18 MHz at 5V - DC-to-10 MHz at 3.3V· Enhanced Instruction Set that Maintains Object-Code Compatibility with Z80® and Z180™ Microprocessors· 16-Bit (64K) or 3...
Z380™: Features: · Static CMOS Design with Low-Power Standby Mode Option· 32-Bit Internal Data Paths and ALU· Operating Frequency - DC-to-18 MHz at 5V - DC-to-10 MHz at 3.3V· Enhanced Instruction Set that ...
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The Z380™ Microprocessor is an integrated highperformance microprocessor with fast and efficient throughput and increased memory addressing capabilities. The Z380™ offers a continuing growth path for present Z80-or Z180-based designs, while maintaining Z80® CPU and Z180® MPU object-code compatibility. The Z380™ MPU enhancements include an improved 280 CPU, expanded 4-Gbyte space and flexible bus interface timing.
An enhanced version of the Z80 CPU is key to the Z380 MPU. The basic addressing modes of the Z80 microprocessor
have been augmented as follows: Stack Pointer Relative loads and stores, 16-bit and 24-bit indexed offsets, and more flexible Indirect Register addressing, with all of the addressing modes allowing access to the entire 32-bit address space. Additions made to the instruction set, include a full complement of 16-bit arithmetic and logical operations, 16-bit I/O operations, multiply and divide, plus a complete set of register-to-register loads and exchanges.
The expanded basic register file of the Z80 MPU microprocessor includes alternate register versions of the IX and IY registers. There are four sets of this basic Z80 microprocessor register file present in the Z380 MPU, along with the necessary resources to manage switching between the different register sets. All of the register-pairs and index registers in the basic Z80 microprocessor register file are expanded to 32 bits.