Zilog Z8F0880 Manual de usuario descargar pdf (Pagina 6)

Z8 Encore! XP

Dual F1680 Series Development Kit

User Manual

UM021204-0508 Introduction

For more information on the Z8 Encore! XP F1680 Series, refer to Z8

Encore! XP

F1680 Series Product Specification (PS0250), available for

download at www.zilog.com.

Hardware-Supported Software Features

Zilog’s eZ8 MCU, latest 8-bit MCU meets the continuing demand for

faster and more code-efficient microcontrollers. It executes a superset of

the original Z8

instruction set. The eZ8 MCU features include:

•

Direct register-to-register architecture allows each register to function

as an accumulator, improving execution time and decreasing the

required Program Memory.

•

Software stack allows greater depth in sub-routine calls and interrupts

more than hardware stacks.

•

Compatible with existing Z8 code.

•

Expanded internal Register File allows access up to 4 KB.

•

New instructions improve execution efficiency for code developed

using higher-level programming languages including C.

•

Pipelined instruction fetch and execution.

•

New instructions for improved performance including BIT, BSWAP,

BTJ, CPC, LDC, LDCI, LEA, MULT, and SRL.

•

New instructions support 12-bit linear addressing of the register file.

•

Up to 10 MIPS operation.

•

C-Compiler friendly.

•

2 to 9 clock cycles per instruction.

For more details on eZ8 MCU, refer to eZ8

CPU User Manual

(UM0128), available for download at www.zilog.com.

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