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Analog Devices MICROCONVERTER ADUC812, Справочное руководство

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ADuC812 Evaluation Board Reference Guide 

 

 ADuC812 Evaluation Board Parts List 

Version 1.0 

 

Analog Devices Inc., MicroConverter

 

www.analog.com/microconverter 

 

(6)  AD

U

C812 E

VALUATION 

B

OARD 

P

ARTS 

L

IST

 

 

Component 

Qty 

Part 

Description 

Order No 

Order From 

 

 

 

 

 

 

EVAL- ADuC812QS QuickStart PCB 

1 

PCB-1 

2 sided surface mount PCB 

 

 

 

 

 

 

 

 

PCB Stand-off 

4 

Stand-off 

Stick on mounting feet 

148-922 

Farnell 

 

 

 

 

 

 

U1 1 

ADuC812 

MicroConverter 

(52PQFP) 

 

ADI 

U2,U3 

2 

OP491G 

Quad OP-Amp, 14 pin SOIC 

 

ADI 

U4,U10 

2 

OP284ES 

Dual Op-Amp, 8 pin SOIC 

 

ADI 

U5 

1 

MM74HC14M 

Hex Schmitt-Trigger Inv, 14 pin SOIC 

379-268 

Farnell 

U6 

1 

NC7S08M5 

Single And Gate 

685-925 

Farnell 

U7 

1 

HY62256B LLT1-70 

32Kx8 CMOS SRAM, 28Pin TSOP 

352-8509

 

Farnell 

U8 

1 

ADM908RART 

Power on Reset Supervisory Chip 

 

ADI 

U9 

1 

MC7805CT 

Fixed 5V Linear Voltage Regulator 

701-853 

Farnell 

U11 

1 

AD820AR 

Single OP-Amp, 8 pin SOIC 

 

ADI 

U13 

1 

NE555D 

Timer, 8 pin SOIC 

409-352 

Farnell 

U14,U15 

2 

MM74HC573WM 

Octal D-Type Transparent Latch, SOIC 

379-580 

Farnell 

 

 

 

 

 

 

SW1,SW2 

2 

Push Button Switch 

PCB Mounted Push Button Switch 

176-432 

Farnell 

 

 

 

 

 

 

D1 

1 

Red Led 

1.8mm miniture red led 

657-025 

Farnell 

D2 

1 

Green Led 

1.8mm miniture green led 

657-037 

Farnell 

D3,D4 2 

1N4001 

Diode 

365-117 

Farnell 

D5 

1 

Yellow Led 

1.8mm miniture red led 

657-049 

Farnell 

Q1 

1 

BC856 

PNP General Purpose Transistor 

506-266 

Farnell 

L1,L2 

2 

Ferrite Bead 

Surface Mount Inductor, 1206 Case 

557-330 

Farnell 

LK1-7,LK9-10, 

9 

SPST Switch Header 

2x1 SPST Switch Header 

986-501 

Farnell 

LK12 

1 

SP Changeover Header 

SP3T Changeover Header 

JsC4-16-GO 

Futora Electronics 

LK11 

1 

2x1(with Friction Lock) 

Square Pin Header with friction lock 

143-139 

Farnell 

R1-R8 

8 

51R 

Surface Mount Resistor, 0805 Case 

771-181 

Farnell 

Содержание MICROCONVERTER ADUC812

Страница 1: ...ADUC812 EVALUATION BOARD REFERENCE GUIDE MICROCONVERTER ADUC812 QUICKSTART DEVELOPMENT SYSTEM...

Страница 2: ...ttery regulated to 5V on board see section 2 4 Pin Header Interface to RS232 dongle cable Access to all ADC inputs from external header DAC output channel buffered to external header see section 2 and...

Страница 3: ...oupling between the analog and digital sections of the board To this end the ground plane is split with the analog section on the right hand side and a digital plane on the left hand side of the board...

Страница 4: ...rpose prototype area General Purpose prototype areas are provided at the top and the bottom or the evaluation board for adding external components as required in the users application As can be seen f...

Страница 5: ...an external program memory Note If using an external program meory at U12 make sure that LK4 is switched to the off position as described above Crystal Circuit The board is fitted with a 11 0592MHz c...

Страница 6: ...low the user perform external interrupts easily The 17 signal is Schmitt triggered U5 to prevent noise on the rising edge of 17 to cause multiple interrupts as it passes the trip point This Schmitt tr...

Страница 7: ...ction Allows the External Data Memory to be used as both an External Program Memory and an External Data Memory Use Slide LK4 into the ON position to connect the PSEN output from the ADuC812 for use w...

Страница 8: ...LK8 2x1 Connect Waveform Generator Circuit Function This 3 way link is used to route a specific waveform sine square triangular onto ADC channel 0 as detailed below The frequency of the generated wave...

Страница 9: ...A to make U14 transparent Hence the external data memory U7 sees address lines A0 A14 Hence the bottom 32K Bytes of the address range are mapped into the external data memory space Note In this mode...

Страница 10: ...D 4 AGND 15 ADC7 5 ADC2 16 AGND 6 IN OP AMP spare 17 DAC0 7 ADC3 18 Out OP AMP 8 IN OP AMP spare 19 DAC1 9 ADC4 20 AGND 10 DAC ADJUST 21 VREF 11 ADC5 22 AGND Table 1 Pin functions for Analog I O conne...

Страница 11: ...J5 is situated to the left side of the board and gives access to both the SPI and I2 C interfaces The pinout is as in fig 3 with the orientation vertical Look for the pin1 marker on the evaluation boa...

Страница 12: ...chematic an example LDR circuit is connected shown in Figure 2 below ADC DAC VDD VDD Application Code LK1 LK2 Circuit diagram of the LDR Circuit Using the sample code in code adc adcldr asm the variat...

Страница 13: ...U9 1 MC7805CT Fixed 5V Linear Voltage Regulator 701 853 Farnell U11 1 AD820AR Single OP Amp 8 pin SOIC ADI U13 1 NE555D Timer 8 pin SOIC 409 352 Farnell U14 U15 2 MM74HC573WM Octal D Type Transparent...

Страница 14: ...ase 772 239 Farnell C1 C8 C10 C18 C17 C16 12 0 01uF SM Cap Surface Mount Ceramic Cap 0805 Case 499 225 Farnell C11 1 0 33uF SM Cap Surface Mount Tantalum Cap Taj A Case 498 919 Farnell C15 C24 C26 C28...

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