Freescale Semiconductor MCF5329 Reference Manual page 7

Paragraph
Number
3.1 Introduction .................................................................................................................................... 3-1
3.1.1 Overview.......................................................................................................................... 3-1
3.2 Memory Map/Register Description................................................................................................ 3-4
3.2.1 Data Registers (D0-D7)................................................................................................... 3-6
3.2.2 Address Registers (A0-A6) ............................................................................................. 3-6
3.2.3 Supervisor/User Stack Pointers (A7 and OTHER_A7) ................................................... 3-6
3.2.4 Condition Code Register (CCR) ...................................................................................... 3-7
3.2.5 Program Counter (PC) ..................................................................................................... 3-8
3.2.6 Cache Control Register (CACR) ..................................................................................... 3-8
3.2.7 Access Control Registers (ACR
3.2.8 Vector Base Register (VBR)............................................................................................ 3-9
3.2.9 Status Register (SR)......................................................................................................... 3-9
3.2.10 Memory Base Address Register (RAMBAR) ............................................................... 3-10
3.3 Functional Description ................................................................................................................. 3-10
3.3.1 Version 3 ColdFire Microarchitecture ........................................................................... 3-10
3.3.2 Instruction Set Architecture (ISA_A+).......................................................................... 3-11
3.3.3 Exception Processing Overview .................................................................................... 3-12
3.3.4 Processor Exceptions ..................................................................................................... 3-15
3.3.5 Instruction Execution Timing ........................................................................................ 3-23
4.1 Introduction .................................................................................................................................... 4-1
4.1.1 Overview.......................................................................................................................... 4-1
4.2 Memory Map/Register Definition.................................................................................................. 4-3
4.2.1 MAC Status Register (MACSR)...................................................................................... 4-3
4.2.2 Mask Register (MASK) ................................................................................................... 4-5
4.2.3 Accumulator Registers (ACC0-3)................................................................................... 4-6
4.2.4 Accumulator Extension Registers (ACCext01, ACCext23)............................................ 4-7
4.3 Functional Description ................................................................................................................... 4-8
4.3.1 Fractional Operation Mode ............................................................................................ 4-10
4.3.2 EMAC Instruction Set Summary ................................................................................... 4-12
4.3.3 EMAC Instruction Execution Times ............................................................................. 4-13
4.3.4 Data Representation ....................................................................................................... 4-14
4.3.5 MAC Opcodes ............................................................................................................... 4-14
Freescale Semiconductor
Contents
Chapter 3
ColdFire Core
n
Chapter 4
Enhanced Multiply-Accumulate Unit (EMAC)
MCF5329 Reference Manual, Rev 3
Title
) ................................................................................... 3-9
Page
Number
vii