Z380

Microprocessor Solutions for Datacommunications and Computer Peripheral Applications User's Manual Z380™ Microprocessor Unit Userls Manual Q3/94 DC 8297-03 PREFACE Thank you for your interest in the Z380™ CPU (Central Processing Unit) and its associated family of products. This Technical Manual describes programming and operation of the Z380™ Superintegration™ Core CPU, which is found in the Z380 MPU (Microprocessor Processing Unit), and future products built around Z380™ CPU core. For the external interface and detailed descriptions of the on-chip peripherals for each Superintegration device, please refer to individual product specifications. This Technical manual consists of the following Sections: 1. Z380™ Architectural Overview Chapter 1 is an introductory section covering the key features and giving an overview of the architecture of the device. 2. Address Spaces Chapter 2 explains the address spaces the Z380 CPU can handle. Also, this chapter includes a brief description of the on-chip registers. 3. Native/Extended Mode, Word/Long Word Mode of Operation, and Decoder Directives This chapter provides a detailed explanation on the Z380's unique features, operation modes, and the Decoder Directives. 4. Addressing Modes and Data Types Chapter 4 describes the Addressing mode and data types which the Z380 can handle. 5. Instruction Set Chapter 5 contains an overview of the instruction set; as well as a detailed instruction-by-instruction description in alphabetical order....