I H C BCH KHOA H N I

VI N T VI N THNG

* * *

BO CO T NG K T PROJECT II

ti: THI T K M CH

KIT PHT TRI N AVR DE1

ng d n: Th y NSC T.S Nguy n Quang Minh

Sinh vin th c hi n: c M nh 20091725 K54

H N i 2012

2 VI N T VI I H C BCH KHOA H N I

M C L C

Trang

L U ....................................................................................................... 3

CH TI ...................................................................................................... 4

PH N I: M PH NG & L P TRNH AVR ...................................................... 5

1. Cng c ph n m m ...................................................................................... 5

2. M ph ng ...................................................................................................... 6

PH N II: CAPTURE ............................................................................................ 18

1. Gi i thi u ORCAD ....................................................................................... 18

2. Capture ......................................................................................................... 18

PH N III: LAYOUT ............................................................................................. 32

1. Gi i thi n v Footprint trong Layout ........................................... 32

2. Cch t o file layout t Schematics .............................................................. 41

PH N IV: TNH TON V TRI N KHAI MODULE ...................................... 50

1. Module B ng LED ....................................................................................... 50

2. Module M ch Cng Su t ............................................................................. 50

3. Module M ch Kit ......................................................................................... 51

4. Module M ch N p ........................................................................................ 51

PH N V: CODE .................................................................................................... 52

PH L C HNH NH .......................................................................................... 57

3 VI N T VI I H C BCH KHOA H N I

L U

n thi t k ng d y nh m gip sinh vin c

th p d ng cc ki n th c v phn tch v thi t k h th ng ph n c ng v cc

ki n th hon thnh m t project hon thi ng th i thng qua

qu trnh lm project, sinh vin s c lm quen v th c c n thi

hon thnh m t project.

Hi n nay, nhu c u s d u khi n trong h c t p, nghin c

ng d ng trn th c t l khng nh . Trong s u khi n th

ng hi

v s h c t p v nghin c u. V ph c v cho mn h c

o ti pht tri n cho cc mn h c ti t tay vo lm

m t b Kit pht tri u khi kit ny l m t

ng d ng nh u khi n LED.

M c nghim tc v k ng trong su t qu trnh th c hi n,

song ch c ch n ny c a em v n cn r t nhi u thi u st. Em r t mong nh c

s pha th i v vi c h c t p mn h c ny c a

t k t qu t t.

Em xin chn thnh c

H N

Sinh vin th c hi n

4 VI N T VI I H C BCH KHOA H N I

CH TI

Ti: THI T K M CH KIT PHT TRI N AVR DE1

2. M c Tiu:

Hi n nay, cng ngh u khi n, vi x l, FPGA pht tri

c a chng trong cu c s ng cng ngy cng quan tr ng.

Cc ng d ng c u khi n tr i trn r t nhi c, t n ph c

t p.

th c hi c cc ng d n c cng c h c t p v

nghin c u.

thi t k v ch t o m ch kit pht tri n cho AVR v i ci tn

AVR DE1.

3. Yu c u:

Yu c u ch

+ M ch ho ng nh

+ ng d ng vi t ch c

Yu c u phi ch

+ Chi ph v a ph i

+ Tnh th m m cao

4. K t Qu Th c Hi Ti:

- c m t m ch Kit Avr

- t

- hon thnh m

5 VI N T VI I H C BCH KHOA H N I

PH N I: M PH NG & L P TRNH

AVR

1. Cng c ph n m m:

a) Proteus

Proteus bao g m 2 thnh ph n:

ISIS: Ph n m m v m ch nguyn l + m ph ng c

cao kh ng, h ng v i th c t v tnh tr c quan cao, song tnh

th m m c a m ch nguyn l v b ng ISIS khng cao b ng OrCAD Capture.

ARES: Ph n m m v m ch in c a Proteus. Trn th c t i ta t dng ARES

v m n chn c a n t v tnh th m m khng cao.

Trong khun kh bi bo co, chng ta s s d m ph ng m t ng

d ng trn kit AVR DE1: qut LED.

b) AVR Studio v WinAVR

AvrStudio: l trnh bin d ch ASM chnh th c cung c p b

bin d ch hon ton mi n ph v t t nhin l t t nh t cho l p trnh AVR b ng ASM.

Phin b n m i nh n th m lm bo co l 4.18.

WinAVR hay avr-gcc: l b trnh d c pht tri n b i GNU, ngn ng s

d ng l C v c th c dng tchh p v i AvrStudio (dng Avrstudio lm trnh bin

t p c bi t b bin d ch ngu n (source) code C

c vi t b ng b ny, v v y n r ng cho chng ta khi vi t cc ng d ng

chuyn nghi p.

AVR Simulator l trnh m ph c tch h p s n trong Avrstudio,

AVR Simulator cho php chng ta quan st tr ng thi cc thanh ghi bn trong AVR

nn r t ph h chng ta

6 VI N T VI I H C BCH KHOA H N I

2. M ph ng:

a) V m ch nguyn l trn Proteus

Ch n vo button "Components" r i "Pick Devices" ch n

linh ki n.

Ch n linh ki n: trong dialog Pick Devices, "Keywords" nh p mega8, chng ta

s th y 1 linh ki n c tn "ATMEGA8" bn c a s "Results", double click vo linh

ki mang n ra c a s "Object selector".

7 VI N T VI I H C BCH KHOA H N I

n tr , chng ta "res", ch n "Resistors" trong "category"

v Double click vo link ki n "RES" trong "Results".