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System Architecture

2-2

Blackfin Landscape LCD EZ-Extender Manual

System Architecture

A block diagram of the Blackfin Landscape LCD EZ-Extender is shown in

Figure 2-1. Block Diagram

SPI

UNREG

POWER

FLAGs

(2)

HSYNC
VSYNC

PPI

16 bit PPI

(5-6-5)

FS1,FS2

DATA

BACKLIGHT

PWR

LOGIC

PWR

AD7879

TOUCH

BACK

LIGHT

VDD

VDDIO

PENIRQ

5 MHz

Oscillator

CLK

Blackfin Landscape

LCD EZ-Extender

CS0,SCK,MISO,MOSI

DEN

TWI

AD7147-1

Scroll

Wheel

(Cap Touch

Sensors)

VDDIO

SPI

M24C02

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Содержание Blackfin Landscape LCD EZ-Extender ADZS-BFLLCD-EZEXT

Страница 1: ...a Blackfin Landscape LCD EZ Extender Manual Revision 1 1 July 2012 Part Number 82 000216 01 Analog Devices Inc One Technology Way Norwood Mass 02062 9106...

Страница 2: ...and reliable However no responsibility is assumed by Analog Devices for its use nor for any infringement of patents or other rights of third parties which may result from its use No license is grante...

Страница 3: ...Blackfin Landscape LCD EZ Extender is currently being processed for certification that it complies with the essential requirements of the European EMC directive 89 336 EEC amended by 93 68 EEC and the...

Страница 4: ......

Страница 5: ...tents xii What s New in This Manual xiii Technical Support xiii Supported Products xiv Product Information xiv Analog Devices Web Site xiv EngineerZone xv Related Documents xvi LANDSCAPE LCD EZ EXTEND...

Страница 6: ...SPI Chip Select Jumper JP3 2 5 LCD Reset Jumper JP5 2 5 PPICLK Disable Jumper JP6 2 6 AD7147 ADDR1 Jumper JP7 2 7 Serial ROM Addr Jumper JP8 2 7 Serial ROM Write Protect Jumper JP9 2 8 AD7879 PENIRQ J...

Страница 7: ...Blackfin Landscape LCD EZ Extender Manual vii Contents LANDSCAPE LCD EZ EXTENDER BILL OF MATERIALS LANDSCAPE LCD EZ EXTENDER SCHEMATIC INDEX...

Страница 8: ...Contents viii Blackfin Landscape LCD EZ Extender Manual...

Страница 9: ...ering signal processing performance in a microprocessor like environment EZ KIT Lites and Landscape LCD EZ Extenders are designed to be used in conjunction with the CrossCore Embedded Studio CCES and...

Страница 10: ...formation includ ing CCES support The board extends the capabilities of the evaluation system by providing a connection between the PPI of the Blackfin processor and the on board 3 5 in LCD display Th...

Страница 11: ...e 1 2 Example programs are available to demonstrate capabilities of the Blackfin Landscape LCD EZ Extender board Purpose of This Manual The Blackfin Landscape LCD EZ Extender Manual describes operatio...

Страница 12: ...Contents The manual consists of Chapter 1 Landscape LCD EZ Extender Interfaces on page 1 1 provides basic board information Chapter 2 Landscape LCD EZ Extender Hardware Reference on page 2 1 provides...

Страница 13: ...t in the following ways Post your questions in the processors and DSP support community at EngineerZone http ez analog com community dsp Submit your questions to technical support directly at http www...

Страница 14: ...he Blackfin Landscape LCD EZ Extender is a daughter board for the ADSP BF526 ADSP BF537 ADSP BF538 and ADSP BF548 processor evaluation systems Product Information Product information can be obtained f...

Страница 15: ...s to the Web pages that meet your interests including documentation errata against all manuals MyAnalog provides access to books application notes data sheets code examples and more Visit MyAnalog to...

Страница 16: ...F538 ADSP BF538F Blackfin Embedded Processor Data Sheet ADSP BF542 ADSP BF544 ADSP BF547 ADSP BF548 ADSP BF549 Blackfin Embedded Processor Data Sheet General functional description pinout and timing o...

Страница 17: ...KIT Lite EZ Board ADSP BF526 ADSP BF537 ADSP BF538 or ADSP BF548 and describes all inter faces the extender supports The information is presented in the following order Landscape LCD EZ Extender Setu...

Страница 18: ...the extender board Use the block diagram in Figure 2 1 on page 2 2 in conjunction with Jumper Settings on page 2 3 4 Set the switches and jumpers on the EZ KIT Lite EZ Board If not already familiariz...

Страница 19: ...t benefit for power sensitive applications The PPI clock of a Blackfin processor and the clock required by the LCD display are driven by the on board 5 MHz oscillator By default the oscil lator is ena...

Страница 20: ...es the SPI select 1 and GPIO1 pins Jumper Settings on page 2 3 describe how the GPIO and SPI selects can be varied for differ ent EZ KIT Lites and EZ Boards For more information about the AD7879 touch...

Страница 21: ...mple program demonstrating capabilities of the touch controller is available in the Examples folder of the installation directory Serial ROM The Blackfin Landscape LCD EZ Extender is equipped with a 2...

Страница 22: ...demonstrate various capabilities of the product The pro grams are included in the product installation kit and can be found in the Examples folder of the installation Refer to a readme file provided w...

Страница 23: ...dscape LCD EZ Extender The following topics are covered System Architecture on page 2 2 Describes the board configuration and explains how the board components interface with the processor and EZ KIT...

Страница 24: ...Z Extender is shown in Figure 2 1 Figure 2 1 Block Diagram SPI UNREG POWER FLAGs 2 HSYNC VSYNC PPI 16 bit PPI 5 6 5 FS1 FS2 DATA BACKLIGHT PWR LOGIC PWR AD7879 TOUCH BACK LIGHT VDD VDDIO PENIRQ 5 MHz...

Страница 25: ...EZ Extender follow the setup procedure in Landscape LCD EZ Extender Setup on page 1 2 Figure 2 2 shows the locations of all jumper headers A two pin jumper can be placed on the respective jumper heade...

Страница 26: ...lect pins of the Blackfin processor JP2 allows you to choose any one of the available SPI select pins SPISEL1 3 of the processor see Table 2 2 By default JP2 is populated so that the SPISEL1 pin of th...

Страница 27: ...e II or the PPI stamp connector can be used When the PPI stamp connector is used to attach the extender SPISEL3 is unavailable and only SPISEL1 and SPISEL2 are available for JP3 LCD Reset Jumper JP5 T...

Страница 28: ...need to communicate to the AD7147 controller The GPIO4 pin is unavailable on the PPI stamp connector as a result when using a PPI connector you can not use GPIO4 to control the LCD display reset PPIC...

Страница 29: ...i cant address bits ADDR0 3 used to interface to the serial ROM device via the TWI interface of the Blackfin processor By default JP8 requires no jumpers When no jumpers are installed all three addres...

Страница 30: ...tings Serial ROM TWI Address JP8 5 and JP8 6 ADDR2 Settings JP8 3 and JP8 4 ADDR1 Settings JP8 1 and JP8 2 ADDR0 Settings 1010 000 No jumper default No jumper default No jumper default 1010 001 No jum...

Страница 31: ...interrupt pin of the Analog Devices AD7147 capacitive touch controller U3 to one of three GPIO pins of the Blackfin processor JP11 adds flexibility to the extender you can choose any one of the availa...

Страница 32: ...a jumper between JP12 1 and JP12 2 see Table 2 11 LCD Backlight Enable Jumper JP13 The LCD backlight enable jumper controls the power circuitry for the LCD backlight The disabled LCD backlight option...

Страница 33: ...ntrol the LCD backlight The benefit of using the AD7879 device over the GPIO3 flag pin for LCD con trol is that the flag pin remains free and can be used for other applications see Table 2 12 Table 2...

Страница 34: ...pe LCD EZ Extender Manual Connectors Figure 2 3 shows the locations of all connectors on the Blackfin Land scape EZ Extender The following sections describe the connectors and associated functionality...

Страница 35: ...ector J2 The expansion II LSIO connector J2 connects the Landscape LCD EZ Extender to the SPI TWI and GPIO pins of the Blackfin processor Use J2 to connect the extender to the ADSP BF526 EZ Board EZ K...

Страница 36: ...LCD connector P1 is used to attach the LCD display to the Land scape LCD EZ Extender The two backlight power pins four resistive touch pins LCD SPI interface and well as the data sync and clock pins...

Страница 37: ...2 EPSON SG 8002CA MP 3 1 MIC94040 MLF4 U6 MICREL MIC94040YFL 4 1 M24C02 TSSOP8DW U5 ST MICRO M24C02 RDW6TP 5 1 ADP1611 MSOP8 VR1 ANALOG DEVICES ADP1611ARMZ R7 6 1 AD7879 LFCSP_VQ16 U1 ANALOG DEVICES A...

Страница 38: ...14 2 ND 18 4 0 1UF 10V 10 0402 C31 32 C34 35 AVX 0402ZD104KAT2A 19 2 0 01UF 16V 10 0402 C18 19 AVX 0402YC103KAT2A 20 15 10K 1 16W 5 0402 R1 4 R7 8 R17 19 R21 24 R26 27 VISHAY CRCW040210K0FKED 21 10 2...

Страница 39: ...1 ND 29 1 15uH 20 IND015 L1 COILCRAFT MSS4020 153ML 30 3 5A B0540W SOD 123 D1 3 DIODES INC B0540W 7 F 31 1 5A BZT52C33S SOD 323 D4 DIODES INC BZT52C33S 7 F 32 5 2 2UF 25V 10 0805 C4 5 C25 26 C28 DIGI...

Страница 40: ...A 4 Blackfin Landscape LCD EZ Extender Manual...

Страница 41: ...otton Road Nashua NH 03063 A B C D 4 3 2 1 PH 1 800 ANALOGD C Title Size Board No Date Sheet of DEVICES ANALOG Rev BLACKFIN LANDSCAPE LCD EZ EXTENDER A0216 2008 1 1 BLACKFIN LANDSCAPE LCD EZ EXTENDER...

Страница 42: ...8 50 49 22 24 13 17 15 25 27 29 31 33 35 37 39 41 43 45 47 J2 IDC25X2_SMT_F 70 65 61 64 67 68 66 69 11 35 36 1 3 5 7 4 6 18 16 17 28 27 30 29 32 31 34 33 20 19 22 21 24 23 26 25 13 14 15 42 54 58 60 5...

Страница 43: ...R I2C EEPROM AD7147_INT AD7879_PENIRQ GPIO3 GPIO3 1 2 3 JP13 IDC3X1_SMT 2 4 5 6 3 1 JP11 IDC3X2_SMT LCDBACKLIGHT_EN SPISEL3 SPISEL2 SPISEL1 AD7879_PENIRQ 1 3 6 5 4 2 IDC3X2_SMT JP10 AD7147_INT GPIO2 G...

Страница 44: ...13 2 10 bill of materials A 1 block diagram 2 2 board schematic Landscape LCD EZ Extender B 1 C configuration of Landscape LCD EZ Extender 1 2 connectors diagram of locations 2 12 J1 expansion II PPI...

Страница 45: ...sabling oscillator jumper JP12 2 10 reset jumper JP5 2 5 reset pin P1 28 2 6 SPI chip select jumper JP2 2 4 low speed IO connector J2 2 13 O oscillator U2 disable jumper JP12 2 10 PPICLK disable jumpe...

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