Motorola DSP56301 user manual Chapter Memory Configuration, Chapter Core Configuration

Models: DSP56301

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2.8

Enhanced Synchronous Serial Interface 0

2-22

2.9

Enhanced Synchronous Serial Interface 1

2-25

2.10

Serial Communications Interface (SCI)

2-27

2.11

Timers

2-27

2.12

JTAG and OnCE Interface

2-29

Chapter 3

Memory Configuration

3.1

Program Memory Space

3-1

3.1.1

Internal Program Memory

3-2

3.1.2

Memory Switch Modes—Program Memory

3-2

3.1.3

Instruction Cache

3-2

3.1.4

Program Bootstrap ROM

3-3

3.2

X Data Memory Space

3-3

3.2.1

Internal X Data Memory

3-3

3.2.2

Memory Switch Modes—X Data Memory

3-3

3.2.3

Internal I/O Space—X Data Memory

3-4

3.3

Y Data Memory Space

3-4

3.3.1

Internal Y Data Memory

3-4

3.3.2

Memory Switch Modes—Y Data Memory

3-4

3.3.3

External I/O Space—Y Data Memory

3-5

3.4

Dynamic Memory Configuration Switching

3-5

3.5

Sixteen-Bit Compatibility Mode Configuration

3-6

3.6

Internal Memory Configuration Summary

3-6

3.7

Memory Maps

3-7

Chapter 4

Core Configuration

4.1

Operating Modes

4-2

4.2

Bootstrap Program

4-5

4.3

Central Processor Unit (CPU) Registers

4-6

4.3.1

Status Register (SR)

4-6

4.3.2

Operating Mode Register (OMR)

4-12

4.4

Configuring Interrupts

4-15

4.4.1

Interrupt Priority Registers (IPRC and IPRP)

4-16

4.4.2

Interrupt Table Memory Map

4-17

4.4.3

Processing Interrupt Source Priorities Within an IPL

4-19

4.5

PLL Control Register (PCTL)

4-21

4.6

Bus Interface Unit (BIU) Registers

4-22

4.6.1

Bus Control Register

4-22

4.6.2

DRAM Control Register (DCR)

4-24

4.6.3

Address Attribute Registers (AAR[0–3])

4-27

4.7

DMA Control Registers 5–0(DCR[5–0])

4-29

4.8

Device Identification Register (IDR)

4-34

vi

DSP56303 DSP56301 User’s Manual

Page 6
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Motorola DSP56301 user manual Chapter Memory Configuration, Chapter Core Configuration