ACE9050 datasheet(49/52 Pages) MITEL

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ACE9050

INDEX

FUNCTIONAL OVERVIEW

PIN DESCRIPTIONS

ELECTRICAL CHARACTERISTICS

DC Characteristics

AC Characteristics

TIMING DIAGRAMS

Normal Mode Processor Interface

Read Cycle

Write Cycle

Emulation Mode Processor Interface

Read and Write Cycles

Serial Interface Block

ACEBus Read and Write Timings

SynthBus Timing

INTERNAL REGISTERS AND RESET STATUS

ACE9050 Registers

6303 Registers

MODES OF OPERATION

1.Normal Mode

2.Emulation Mode

3.Service Mode

4.Test Mode

5.Power down Modes

FUNCTIONAL DESCRIPTIONS

1. ACE9050 6303

General Description

Pin Description

Clock

I/O Port 1

I/O Port 2

Programmable Timer

Serial Communication Interface SCI (UART)

RAM Control Register

Operating Modes

Low Power Consumption Modes

Address Data & Memory Control

Interrupt Processing

Error Processing

2. INTERNAL ROM BOOT BLOCK

Normal Mode

Service Mode

Steps 1 and 2

Step 3 Normal Mode

Step 3 Service Mode

Steps 4,5 and 6

Motorola S Format

Binary Dump

Step 7 Interrupt Vector table

RAM Area Reserved for IROM Operation

3. DECODER

4. BUS INTERFACE AND MEMORY BANKING

Memory Map and Banked Addressing

Non-Banked Area (Root)

Banked Area

Banked Address System Memory Map

5. INTERRUPTS

Masking Interrupts

Internal Interrupt Control Port

External Interrupt Control Port

6. EXTERNAL PORTS & MULTIPLEXER

7. CLOCK GENERATOR

8. BAUD RATE GENERATOR

9. EXTERNAL RESET

10. I2C INTERFACE

General

SEL_I2C Register

I2C_CNTR Register

I2C_STAT Register

I2C_CCR Register

I2C_ADDR Register

I2C_DATA Register

Clock Synchronisation

Bus Arbitration

Bus and Internal Clock Speeds

Modes Of Operation

Master Transmit

1. Transmit Start Condition

2. Transmit Slave Address and Write

3. Transmit Data

4. Transmit Stop

Master Receive

1. Transmit Start Condition

2. Transmit Slave Address and Read

3. Receive Data

4. Transmit Stop

Slave Transmit

1. Entering Slave Transmit Mode

2. Sending Data

3. Completing transfer

Slave Receive

1. Entering Slave Receive Mode

2. Receiving Data

3. Completing transfer

RADIO FUNCTIONS

1. INTERNAL CONFIGURATION REGISTERS

2. AMPS TACS MODEM AND SAT CONTROLLER

General Description

Interrupts

Modem Block Descriptions

Controller

Discriminator

Data Decoder

Word Sync Detector

Modes of Operation

Control Channel

Voice Channel

Data Transmitter

Data Transmission Sequence

SAT Management

SAT Detector

SAT Transmitter

Page

10,11

17,18

Page

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