Functional Description

Figure 2-1shows the functional blocks contained in the SA-1100 integrated processor. Figure 2-2is a functional diagram of the SA-1100.

Figure 2-1. SA-1100 Block Diagram

3.686 MHz

32.768 KHz

 

 

 

 

 

 

Instruction

 

 

Intel®

 

 

 

 

 

 

 

 

StrongARM® *

 

 

 

 

 

 

 

 

 

 

SA-1100

OSC

PLL

 

IMMU

 

 

Icache

PC

 

 

JTAG

 

 

(16 Kbytes)

 

 

 

 

 

 

 

 

ARM™*

and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SA-1

Misc

OSC

 

 

 

 

 

Dcache

Addr

Test

 

 

DMMU

 

 

Core

 

 

 

 

(8 Kbytes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minicache

 

 

 

 

 

RTC

Processing

 

Load/Store Data

 

 

 

 

 

 

 

OS Timer

Core

 

 

 

 

 

 

 

 

General-

 

 

 

 

 

 

 

 

 

Purpose I/O

 

 

 

 

Write

 

Read

 

 

Interrupt

 

 

 

 

Buffer

Buffer

 

Controller

 

 

 

 

 

 

 

 

Memory

 

Power

 

 

 

 

 

 

 

 

and

 

System

 

 

 

 

 

 

PCMCIA

Management

System Bus

 

 

 

 

Reset

Control

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

Module

 

Module

 

 

 

 

 

 

Controller

 

 

 

 

 

 

(MPCM)

 

 

 

(SCM)

 

 

 

DMA

LCD

 

 

 

 

 

Bridge

 

 

 

 

 

 

 

Controller

Controller

 

 

 

 

 

 

 

 

Peripheral Control

 

 

 

 

 

 

 

Module (PCM)

 

 

 

 

 

 

 

Peripheral Bus

 

 

 

 

 

 

 

Serial

 

 

Serial

 

Serial

Serial

Serial

 

Channel 0

Channel 1

Channel 2

Channel 3

Channel 4

 

UjSB

 

 

SDLC

 

IrDA

UART

CODEC

* ARM is a trademark and StrongARM is a registered trademark of ARM Limited.

A6832-01

2-2

SA-1100 Developer’s Manual

Page 30
Image 30
Intel manual SA-1100 Block Diagram