Atmel AT91SAM7S-EK Скачать руководство пользователя страница 11

Board Description

AT91SAM7S-EK Evaluation Board User Guide

3-3

6112C–ATARM–01-Feb-07

3.2

AT91SAM7S256 
Block Diagram

Figure 3-1.  AT91SAM7S256 Block Diagram

3.3

Memory

!

256 Kbytes of internal high-speed Flash

!

64 Kbytes of internal high-speed SRAM

3.4

Clock Circuitry

!

 18.432 MHz standard crystal for the embedded oscillator

TDI

TDO
TMS

TCK

NRST

FIQ

IRQ0-IRQ1

PCK0-PCK2

PMC

Peripheral Bridge

Peripheral Data

Controller

AIC

PLL

RCOSC

SRAM

64 Kbytes

ARM7TDMI 

Processor

ICE

JTAG

SCAN

JTAGSEL

PIOA

USART0

SSC

Timer Counter

RXD0

TXD0

SCK0

RTS0
CTS0

NPCS0
NPCS1
NPCS2
NPCS3

MISO
MOSI

SPCK

Flash

256 Kbytes

Reset

Controller

DRXD
DTXD

TF
TK
TD
RD
RK
RF
TCLK0
TCLK1
TCLK2
TIOA0
TIOB0
TIOA1
TIOB1

TIOA2
TIOB2

Memory Controller

Abort

Status

Address

Decoder

Misalignment

Detection

PIO

PIO

APB

POR

Embedded

Flash

Controller

AD0
AD1
AD2
AD3

ADTRG

PLLRC

11 Channels

PDC

PDC

USART1

RXD1

TXD1

SCK1

RTS1
CTS1

DCD1

DSR1

DTR1

RI1

PDC

PDC

PDC

PDC

SPI

PDC

ADC

VDDANA

PDC

PDC

TC0

TC1

TC2

TWD
TWCK

TWI

OSC

XIN

XOUT

VDDIN

PWMC

PWM0
PWM1
PWM2
PWM3

1.8 V

Voltage

Regulator

USB Device

FIFO

DDM
DDP

T

ransceiv

er

GND

VDDOUT

BOD

VDDCORE

VDDCORE

AD4
AD5
AD6
AD7

VDDFLASH

Fast Flash 

Programming 

Interface

ERASE

PIO

PGMD0-PGMD15
PGMNCMD
PGMEN0-PGMEN1

PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMCM0-PGMCM3

VDDIO

TST

DBGU

PDC

PDC

PIO

PIT

WDT

RTT

System Controller

VDDCORE

Содержание AT91SAM7S-EK

Страница 1: ...AT91SAM7S EK Evaluation Board User Guide...

Страница 2: ......

Страница 3: ...7S EK Block Diagram 2 2 Section 3 Board Description 3 1 3 1 AT91SAM7S256 Microcontroller 3 1 3 2 AT91SAM7S256 Block Diagram 3 3 3 3 Memory 3 3 3 4 Clock Circuitry 3 3 3 5 Reset Circuitry 3 4 3 6 Power...

Страница 4: ...Table of Contents ii AT91SAM7S EK Evaluation Board User Guide 6112C ATARM 01 Feb 07...

Страница 5: ...oard One A B type USB cable One DVD ROM containing summary and full datasheets datasheets with electrical and mechanical characteristics application notes and getting started documents for all develop...

Страница 6: ...ARM 01 Feb 07 Note The user can also evaluate the AT91SAM7S32 with this board A 48 pin TQFP footprint has been provided for this purpose To do so the user must unsolder the AT91SAM7S256 microcontrolle...

Страница 7: ...le of supplying 7V to 12V at 0 5 A Note The AT91SAM7S EK is not delivered with the JTAG ICE interface required to start evaluating the device 2 3 Powering Up the Board AT91SAM7S EK is self powered by...

Страница 8: ...91SAM7S EK Block Diagram Figure 2 1 Block Diagram for AT91SAM7S EK Board 4 Analog Inputs RS232 Driver Power Supply USB Device ICE Debug Port Oscillator PLL Extension Connector User Grid RS232 Driver P...

Страница 9: ...es of Internal High speed SRAM Single cycle Access at Maximum Speed Memory Controller MC Embedded Flash Controller Abort Status and Misalignment Detection Reset Controller RSTC Based on Power on Reset...

Страница 10: ...ansmitters USART Individual Baud Rate Generator IrDA Infrared Modulation Demodulation Support for ISO7816 T0 T1 Smart Card Hardware Handshaking RS485 Support Manchester Encoder Decoder Full Modem Line...

Страница 11: ...S3 MISO MOSI SPCK Flash 256 Kbytes Reset Controller DRXD DTXD TF TK TD RD RK RF TCLK0 TCLK1 TCLK2 TIOA0 TIOB0 TIOA1 TIOB1 TIOA2 TIOB2 Memory Controller Abort Status Address Decoder Misalignment Detect...

Страница 12: ...h other by the diodes CR1 and CR2 On chip embedded VDDCORE 1 8V regulator 3 7 Remote Communication Two serial interface via RS 232 DB9 male sockets DBGU COM Port UART COM Port with RTS CTS handshake c...

Страница 13: ...e ICE JTAG socket J4 pin 15 JP5 Opened Do not use Factory test mode JP6 Closed Enables the use of the CTS signal UART JP7 Closed Enables the use of the TXD signal UART JP8 Closed Enables the use of th...

Страница 14: ...tting it before soldering a jumper and inserting an anmeter JP22 1 Closed VDDIN Jumper JP23 1 Closed VDDCORE Jumper JP24 Closed Enables the use of the EXT_AD0 Analog Input 0 JP25 Closed Enables the us...

Страница 15: ...Section 5 Schematics 5 1 Schematics This section contains the following schematics Board Layout And Silkscreen Printing Top View 64 pin SAM7 Microcontroller dual footprint 48 pin SAM7 Microcontroller...

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Страница 24: ...Schematics 5 2 AT91SAM7S EK Evaluation Board User Guide 6112C ATARM 01 Feb 07...

Страница 25: ...tion 6 Revision History 6 1 Revision History Table 6 1 Document Comments Change Request Ref 6112A First issue 6112B New schematics 1457 6112C Corrected features for JP26 and JP27 in Table 4 1 Configur...

Страница 26: ...Revision History 6 2 AT91SAM7S EK Evaluation Board User Guide 6112C ATARM 01 Feb 07...

Страница 27: ...ons 2325 Orchard Parkway San Jose CA 95131 USA Tel 1 408 441 0311 Fax 1 408 487 2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH 1705 Fribourg Switzerland Tel 41 2...

Страница 28: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Atmel AT91SAM7S EK...

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