1.2. Microprocessor block diagram

The ARM946E-S block diagram is shown in Figure 1.1.

Figure 1.1. ARM946E-S block diagram

The blocks shown in Figure 1.1are described in the locations listed in Table 1.1.

Table 1.1. Location of block descriptions

Block

Location of description

ARM9E-S

ARM9E-S Technical Reference Manual

AHB bus interface unit and write buffer

Chapter 6 Bus Interface Unit and Write Buffer

Instruction SRAM

Chapter 5 Tightly-coupled SRAM

Data SRAM

Chapter 5 Tightly-coupled SRAM

System control coprocessor (CP15)

Chapter 2 Programmer’s Model

External coprocessor interface

Chapter 7 Coprocessor Interface

ETM interface

Chapter 9 ETM Interface

System controller

Chapter 2 Programmer’s Model

Memory protection unit

Chapter 4 Protection Unit

Instruction cache

Chapter 3 Caches

Data cache

Chapter 3 Caches

Instruction cache control

Chapter 2 Programmer’s Model and Chapter 3 Caches

Data cache control

Chapter 2 Programmer’s Model and Chapter 3 Caches

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