ATmega8最小系统

1

2

3

4

A

A

VCC

VCC
PIR102
CR1OR1
PIR101 10K

CCOONC2ON2

1 2

PIC302
CCO3C3
PIC301
1uF

PIC402
CCO4C4
PIC401 100nF
VCC

RESETPIU2101 RESET RNLXRX PIU2202 RXD

CUO2U2
ADC5/SCL PIU282028 ADC4/SDA PIU272027

USB
PICON201 PICON20
CC6OC6
PIC601 PIC602

B

PIC201 CCO2C2 PIC202 1uF

GND

CUO1U1

PIC901 CCO9C9

TNLXTX PIU2303 TXD PIU2404 INT0

ADC3 PIU262026 ADC2 PIU252025

VCC

220uF

B

CCOONC1ON1

9 PICON109

8 PICON108

7 PICON107

6 5

PICON106
PICON105GND

4 3 2

PICON104
PICON103R2IN PICON102T2OUT

1 PICON101

GND

PIC101 CCO1C1 PIC102 1uF

NCL1C+10 NVLVSS+0 NCLC11-0

PIU1101
PIU1202 PIU1303

NNNNNRTCCVLLLLLC2222VCSR2TSIO+-2-20N020IUONP P P PPTUIII I IT UUU U U111 1 145678000 0 0784 5 6

C1+ VS+ C1C2+ C2VST2OUT R2IN

PIC902 VCC
GND T1OUT
R1IN R1OUT
T1IN T2IN R2OUT

PPIIUU11561100NNVG11LLCN56GVCDNCDC PIU141014 PIU131013 PIU121012 PIU111011
PIU101010 PI9U109

GND TX RX

1uF

PIC102
CC1O0C10
PIC101 1uF

MAX232

CCO7C7
PIC701 PIC702
22pF
CCO8C8

2

1

PIC501 CCO5C5 PIC502 100nF
PIY10
CYO1Y1
PIY102 XTAL 8M

PIU2505 INT1 PIU2606 XCK/T0 VCC PIU2707 VCC GND PIU2808 GND XNLTXATLA1LP1IU2909 XTAL1/TOSC1 XNLTXATLA2LP2IU210010 XTAL2/TOSC2 PIU210111 T1 PIU210212 AIN0

ADC1 PIU242024 ADC0 PIU232023 GND PIU222022 AREF PIU212021 AVCC PIU202020
SCK PIU192019SCK MISO PIU182018MISO MOSI/OC2 PIU172017MOSI

GND

CCOONC3 ON3

NMLOMOSSII NXLTXATLAL

PICON301 PICON303

NNNMSRLLCLEISMRKSSCIEOEKSSTOETPPPIIICCCOOONNN333000579

1 3 5 7 9

2 PICON302 4 PICON304
6 PICON306 8 PICON308 10 PICON3010

VCC

C

GND

GND

PIC801 PIC802
22pF

PIU210313 AIN1

OC1B PIU162016

C

PIU210414 ICP1

OC1A PIU152015

GND

ATmega8

D

Title

D

Size

Number

Revision

A4

Date:

2010-3-24

File:

E:\

\..\max232_20100324.SchDoc

Sheet of Drawn By:

1

2

3

4

Comment 1uF
100nF 100nF 220uF 22pF
USB
10K MAX232 ATmega8 XTAL 8M

Description

Designator

Footprint

Polarized Capacitor (Radial) Polarized Capacitor (Radial)
Capacitor

BCC1 C1, C10

RB7.6-15

BCC2 C2, C3, C9

RB7.6-15

B C4 CC4 RAD-0.3

Polarized Capacitor (Radial) Polarized Capacitor (Radial)
Capacitor

BCC5 C5

RB7.6-15

BCC6 C6

RB7.6-15

BCC7 C7, C8

RAD-0.3

Header, 9-Pin

BCOCN1 CON1 HDR1X9

BCCON2 Header, 2-Pin, Right CON2
Angle

HDR1X2H

BCCON3 Header, 5-Pin, Dual
row

CON3

HDR2X5

Resistor

BCR1 R1

AXIAL-0.4

B U1 CU1

B U2 CU2

BCY1 Crystal Oscillator Y1

R38

LibRef

Cap Pol1

2

Cap Pol1

3

Cap

1

Cap Pol1

1

Cap Pol1

1

Cap

2

Header 9

1

Header 2H

1

Header 5X2

1

Res2

1

max232_20100324 1

U3

1

XTAL

1

Quantity


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