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Brainboard Schematics

The ATMega8L Brainboard

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

Reset

IR Left (RxD /PD0)

IR Right (TxD / PD1)

LED1 / Pin7Exp1 (PD2)

LED2 / Pin8Exp1 (PD3)

LED3 / Pin9Exp1 (PD4)

VCC

GND

Xtal 1 (PB6)

Xtal 2 (PB7)

LED4 / Pin10Exp1 (PD5)

LED5 / Pin11Exp1 (PD6)

Spare (PD7)

Spare (PB0)

Left motor Enable (PB1)

Right motor Enable (PB2)

ISP Header (MOSI / PB3)

Left motor Direction / ISP-Pin9 (MISO / PB4)

Right motor Direction / ISP-Pin7 (SCK / PB5)

AVCC

AREF

GND

Edge Left / Pin1Exp2  (PC0)

Edge Center Left / Pin2Exp2  (PC1)

Edge Center  / Pin3Exp2 (PC2)

Edge Center Right  / Pin4Exp2  (PC3)

Edge Right / Pin5Exp2 (I2C SDA/PC4)

I2C (SCL / PC5)

Brainboard Schematic

(drawn with approximate component placement)

ATMega8L Microcontroller

Pin Usage

+

+

Plug 2

Plug 4

Plug 1

9

10

11

12

15

14

13

16

1

2

3

4

5

6

7

8

21

22

23

24

M

O

S

I

M

IS

O

S

C

K

R

S

T

G

N

D

+

+

R2-240

R3-240

+

L1

L2

L3

L4

L5

R

6

-1

k

R

7

-1

k

R

8

-1

k

R

9

-1

k

R10-100k

+

R12-47k

R13-10k

R14-10k

R15-10k

R17-10k

R1-240

Q1

+

SP12 Programmer

+

R4-10k

R5-1k

R11-47k

R16-10k

1

2

3

4

5

6

7

8

9

1

0

1

1

1

2

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

2

1

2

2

2

3

2

4

2

5

2

6

2

7

2

8

STK500

+

Plug 3

17

18

20

+

+

Raw

6v

Raw

6v

Reset

RX   TX

Serial  TTL

Optional

Resonator

Programming

LED

Directly

To ATMega8L Pins

4    5    6   11   12

I2C Port

+

19

20

GND

nc

SCL (Pin 28 - PC5)

SD

A (Pin 27 - PC4)

Vcc

MOSI (Pin 17 - PB3)

nc

RESET  (Pin 1 - PC6)

SCK    (P19 - PB5)

MISO  (Pin 18 -PB4)

Vcc

GND

GND

GND

GND

1

2

10

+6V (unreg.)

Gnd

nc

SCL

SD

A

Vcc (+5V reg.)

LED1 (Pin 4 - PD2)

LED2 (Pin 5 - PD3)

LED3 (Pin 6 - PD4)

LED4 (Pin 11 - PD5)

LED4 (Pin 12 - PD6)

Plug4-21 / Pin 23 (P

ull-up) - PC0

Plug4-20 / Pin 24 (P

ull-up) - PC1

Plug4-19 / Pin 25 (P

ull-up) - PC2

Plug4-18 / Pin 26 (P

ull-up) - PC3

Plug4-17 / Pin 27 (P

ull-up) - PC4

GND

RESET (Pin 1)

SCK

MOSI (Pin17 - PB3)

MISO (Pin18 - PB4)

P1

P2

P4

Expansion 1

Expansion 2

P3

SP-12

10 Pin
ISP

I C Port

2

Brainboard I/O

Vcc (1)MOSI (17)

GND (6)

MISO (18)

SCK (19)

RST (1)

RST (1)

GND (6)GND (6)GND (6)

Vcc (1)

MOSI (17)

GND (6)

SCK (19)

MISO (18)

n/c

Old V1 Programming
Header Layout

New V2 Programming
header Layout

Содержание K SV-ATMEL

Страница 1: ...very popular microcontroller supported by many programming languages some free Program it with a home made parallel port cable or use the popular Atmel STK 500 development system The new version 2 bra...

Страница 2: ...s Ltd is not responsible for any special incidental or consequential damages resulting from any breach of warranty or under any legal theory including lost profits downtime good will damage to or repl...

Страница 3: ...on 1 QRD1114 edge sensor for Sumovore s middle sensor 1 5 Socket programming header 1 Polarized 5 Pin I2C interface header 1 10 Pin 2 rows of 5 pins STK 500 programming header 1 5 Pin Header for build...

Страница 4: ...ssembler Pascal Forth it goes on and on This is not a kit for a microcontroller beginner Anybody using this brainboard should have the appropriate skills or be ready to learn the techniques that make...

Страница 5: ...r Install at R4 Remember when you re building this kit you must bend the resistors down right near the resistor body This PCB is designed on the tight side so being compact counts Steps 1 2 Complete S...

Страница 6: ...d R12 These are the pull down resistors for the motor enable lines which keeps the motors off by default The 47k resistors are Step 4 100k resistor Install at R10 Step5 47k resistors x2 Install at R11...

Страница 7: ...the side that goes nearest to the bar symbol on the PCB Put the red ones in positions LED 1 through LED 5 Step 8 Tiny Green Programming LED This LED is on when connected to the programmer and flicker...

Страница 8: ...g the curve shown on the PCB Step 11 0 1 F Capacitor This capacitor is installed at position C1 It doesn t matter which way around it goes Sometimes you have to reach out and make that Step 9 Reset Bu...

Страница 9: ...grammer you ll need to install the 5 socket header at location SP 12 Step 15 10 Pin ISP Header The 10 pin ISP In Circuit Programming header interfaces with most popular Atmel programming tools Install...

Страница 10: ...Pin Headers on underside Step 17 4 Pin Headers on underside Another Important Note Yes ANOTHER one As these pins will mate with the sockets on the main robot body you should try to get them installed...

Страница 11: ...sensitive part so if you frequently zap people you ll have to be careful Do this near a sink and touch the metal faucet just before doing this as it will remove any static charge Insert the Atmel micr...

Страница 12: ...Add the 5th line sensor Optional external resonator or add l I O PB6 PB7 Unreg d 6V TTL Serial Port Spare PD7 PB0 pins The Brainboard has some pretty cool additional features which you may never need...

Страница 13: ...g C so we suggest using the GNU C Compiler aka GCC with WinAVR from tm http winavr sourceforge net on the Windows XP platform Install the package and make sure you run the giveio bat program which ena...

Страница 14: ...the following settings are in place Under the Program tab Device ATmega8 Programming Mode ISP w checks in both boxes to the right Flash click the button and load the Sumovore_2 hex file EEPROM not bei...

Страница 15: ...9 1k R10 100k R12 47k R13 10k R14 10k R15 10k R17 10k R1 240 Q1 SP12 Programmer R4 10k R5 1k R11 47k R16 10k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 STK500 Plug 3 17...

Страница 16: ...his kit please contact us Solarbotics Ltd 201 35th Avenue N E Calgary Alberta Canada T2E 2K5 Toll Free 866 276 2687 403 232 6268 Fax 403 226 3741 Website http www solarbotics com Email Sales solarboti...

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