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ECT 358ECT 358

Lecture 34Lecture 34

Other PlatformsOther Platforms

Z8F640x Product Z8F640x Product FeaturesFeatures

• Enhanced 20MHz Z8 Encore!TM Processor Core

• The CPU core runs at the crystal frequency

• 64KB FLASH Program Memory

• 4KB of Register Ram

• Four 16-bit Timers with Capture and PWM’s

• Two Full-Duplex, 9-Bit UARTs w/IrDA Support

• SPI and I2C Ports

• Up to 12-Channel, 10-Bit, A/D Conversion

• Up to 60 Available I/O Pins

• Built-in Debugger

• In-Circuit FLASH Programming (ICFP)

• Watch Dog Timer

• Up to 24-Vectored, Priority Based Interrupts

• Available in 40, 44, 64, 68 and 80-pin packages

WatchdogTimer

OscillatorCrystal, RC

ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2

Port A Port B Port C Port D Port E Port F Port G Port H

16-bit Counter/Timer/ Cap/ PWM




Interrupt

Controller

New Z8 Encore!New Z8 Encore!TMTM Soft CoreSoft Core

Soft Core Features

• 76 instructions (runs existing Z8TM instructions)

• Linear Address Instructions to operate on the 4K Register Space

• Adds LDX for data movement between register pages

• Adds on-chip debug instructions: BRK, TRAP

• Adds instructions for improved performance and code efficiency

• Improved performance over the Z8TM

– 20MHz operating speed

– 2-9 cycles per instruction

– Instruction fetch unit

– up to 10-MIPS Operation

WatchdogTimer


ResetControl

eZ820MHz

CPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

FLASH Program FLASH Program Memory Memory

Flash Features

• Up to 64KB of Flash

• Page erase capability: 512 bytes/page

• Endurance: 20,000 Cycles (min)

• Up to 100 years of Data Retention

• Byte Program Time: 20uS (min)

• Page Erase Time: 10-12ms (min)

• Mass Erase Time: 200-220ms (min)

• Write Protective mechanism to prevent accidental programming or erasure

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

Interrupt Interrupt ControllerController

Interrupt Controller Features

• 24 Interrupt Vectors

• 12 external GPIO interrupt sources

- 4 dual-edge interrupts

- 8 selectable rising or falling edge interrupts

• 12 Internal sources

• Three levels of priority

• Interrupt latency is max 16 system clock

- 2 cycles for Interrupt priority

- max of 9 cycles to complete current instruction and acknowledge the pending interrupt request

- 3 cycles for stacking (PC and Flags)

- 2 cycles for Vector fetching

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

General-Purpose General-Purpose I/O (GPIO)I/O (GPIO)

• Up to 60 available GPIO pins:

- seven 8-bit ports

- one 4-bit port

• Bit programmable

- Open-Drain

- High Drive Enable

- Stop Mode Recovery Source Enable

- Data Direction

- Alternate function

• Each pin can sink or source either 2mA or 20mA.

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

UARTSUARTSUART Features

• Full Duplex

• 8 and 9-bit Asynchronous Data transfers

• Even/Odd parity Generation and detection

• 1–2 STOP bit selection

• Separate Transmit and Receive Interrupts

• Framing, Parity, Overrun, and Break Detect

• 16-bit Reload Baud Rate Generator

• Separate transmit and receive enables

• Receive & transmit data buffer

• Selectable Multi-processor Mode (9-bit UART)

• Built-in IrDA Encoder-Decoder

• Max data rate SysClk/8

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

Serial Peripheral Serial Peripheral Interface (SPI)Interface (SPI)

SPI Features

• Full-Duplex, Synchronous, Channel

• Data Transfer in Master and Slave modes

• Maximum data rate of SysClk/4

• Error Detection Logic

• Write and Mode Collision Detection

• Four Wire Interface:

- Clock,

- Transmit,

- Receive,

- Slave Select

• Dedicated BRG

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

Inter-IC (IInter-IC (I22C)C)I2C Features

• Up 100Kbps in Standard Mode and 400Kbpps in Fast Mode

• 7 or 10-bit addressing for slaves

• Unrestricted amount of data transfer

• Only Master Mode is supported

• Automatic configuration for open drain

• Support for slave clock stretching

• Dedicated BRG

• Two bi-directional bus lines:

- serial data (SDA) line

- serial clock (SCL) line

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

TimersTimersTimer Features

• Four 16-bit Reload/Up-counting Timers

• Vectored Timer Interrupt

• 7-bit Pre-Scale

• Timer Output Pin

• Timer input for Gated and Capture Modes

• Timer Operating Modes:

- One-Shot

- Continuous

- Counter

- PWM

- Capture

- Compare

- Gated

- Capture/Compare

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

Direct Memory Direct Memory Access (DMA)Access (DMA)

DMA Features

• There are three DMA Channels

- Two DMA channels are used for transfer between register RAM and peripherals.

- The third DMA is used for continuous ADC updates.

• Vectored DMA Interrupts

• DMAx Transfers either a single byte or two-byte word

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

Analog-to-Digital Analog-to-Digital Converter (ADC)Converter (ADC)

ADC Features

• 10-bit resolution

• 12 Channels of Single-Ended ADC

• Sigma-Delta converter for better accuracy

• Input Signals Multiplexed with Standard I/O pads to reduce pin count

• Capable of sampling up to 40KHz in continuous mode and 4KHz in single-step mode

• Vectored ADC Interrupts on conversion completion

• 2.1V Internal Reference Voltage

• 0-VDD External Reference Voltage

• Analog input range: 0 - Vref

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

On-Chip On-Chip Debugger (OCD)Debugger (OCD)

OCD Features

• Single-pin Bi-Directional Open-drain Interface

•Data sent on single-pin using asynchronous data standard as defined in RS-232

• Max speed of transfer SysClk/8

OCD Advantages

• Keeps pin count low with single pin interface

• OCD helps read/write to registers, programming Flash, setting breakpoints and executing code

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

Reset ControlReset ControlReset Features

• The Z8 Encore!TM can be reset with any of the following events:

• Reset Pin Assertion

• Power-on Reset

• Watchdog Timer Time-out (When configured to initiate a reset)

• Voltage Brown-out

• Stop Mode Recovery (SMR)

Watchdog Timer Time-out

GPIO port Input Pin Transition

WatchdogTimer


ResetControl

Z8 Encore!TM

20MHzCPU

Register File4K x 8

DMA

Controller

FLASHProgramMemory

64K x 8

On ChipDebugger

UART 1

UART 0

SPI

12-Channel10-bitA/D

Converter

I2C2






Interrupt

Controller

The Eval Board consists of The Eval Board consists of fivefive

major blocks:major blocks:

1. MCU (Z8 Encore!1. MCU (Z8 Encore!TMTM))

2. Serial communication 2. Serial communication devices (SPI and Idevices (SPI and I22C)C)

3. Power and 3. Power and communication interfacescommunication interfaces

4. LED Array4. LED Array

5. Expansion Module 5. Expansion Module HeadersHeaders

6. IrDA Port6. IrDA Port

7. Target Module Interface7. Target Module Interface

Major Z8F64 Eval Major Z8F64 Eval Board BlocksBoard Blocks

1. Connect Serial port 1. Connect Serial port of the PC to the Z8 of the PC to the Z8 Encore!™ Evaluation Encore!™ Evaluation Board (P1).Board (P1).

2. Connect the Z8 2. Connect the Z8 Encore!™ Target Encore!™ Target Module Interface Module Interface Board to the Z8Board to the Z8TMTM (P4).(P4).

3. Apply power to the 3. Apply power to the Z8 Encore!™ Z8 Encore!™ Evaluation Board Evaluation Board (P3).(P3).

Setting Up The Setting Up The Evaluation BoardEvaluation Board

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Documents

chip debugger uart

uarts uart

c ports

cpu register file

interrupt vectors

rc reset control z8

ad converter

interrupt priority max