Embedded Webserver Atmega32 Schematic
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VCC
1 3 5 7 9
PA0 PA2 PA4 PA6
2 4 6 8 10
PROG
SV2 GND
13
GND C2
22p
C3 100n
32
FERITE
(TOSC2)PC7 (TOSC1)PC6 (TDI)PC5 (TDO)PC4 (TMS)PC3 (TCK)PC2 (SDA)PC1 (SCL)PC0
AREF
GND
(OC2)PD7 (ICP)PD6 (OC1A)PD5 (OC1B)PD4 (INT1)PD3 (INT0)PD2 (TXD)PD1 (RXD)PD0
AGND
GND
29 28 27 26 25 24 23 22
PC7 PC6 PC5 PC4 PC3 PC2 SDA SCL
21 20 19 18 17 16 15 14
PD7 PD6 PD5 PD4 PD3 PD2 TXD RXD
IC5
10n
INT C24 100n MISO MOSI SCK ETH
4 5 10 6 7 8 9 3 1 14
C21
INT WOL RESET
TR
SO SI SCK CS CLKOUT VCAP RBIAS
R8 2k
TPOUT+ TPOUTTPIN+ TPINLEDA LEDB
17 16
6 5
13 12 27 26
R7 180
R6 180
4
9
3
10
23 24
2
Q2 ENC28J60-DIL 25Mhz
1
OSC1 OSC2
2
11
C20 1n
C19 1n
GND 1-8 1-7 1-6 1-5 1-4 1-3 1-2 1-1
J1
12
LED3 LED2 R9 50
1
10µ C18 22p
7 8
C17 22p
R10 50
C22 10n
GND GND
GND
GND GND
GND
GND
11
31
MEGA32-P
SCK MISO MOSI PB4 ETH INT PB1 PB0
R11 50
GND
(SCK)PB7 (MISO)PB6 (MOSI)PB5 (SS)PB4 (AIN1/OC0)PB3 (AIN0/INT2)PB2 (T1)PB1 (T0/XCK)PB0
XTAL1
8 7 6 5 4 3 2 1
C23 R12 50
Ethernet Interface
R5 33k
GND
Q1 16Mhz
GND
IN
C11
100n 220µF GND
GND GND
VCC
IC2
C13
5
100n 220µF TXD GND
GND GND
+3V3
VCC
VCC
VCC
RXD
11 10 12 9
V+ C1V-
2 C8
VCC
470n 6 C9
+3V3
GND OUT
IC3
R3 270 C14
R2 470
GND
C27
C26
C25
C10
100n
100n
100n
100n
IC4P 15
ADJ
C12
100n 220µF
GND GND
GND
GND
GND
GND
JP2
GND
1 2 3
C2+ C2T1IN T1OUT T2IN T2OUT R1OUT R1IN R2OUT R2IN
14 7 13 8
5 4 3 2 1
JP1
MAX232
D2 1N4004 IN
4
VCC
470n
C1+
9 8 7 6
JP3 1 2 3
X2 1 3
12V6 R4 1,5k
C15
16
GND
C16
VCC
D4
470n C7
OUT GND
GND
LED1
+
F1
3 2
IC4 1 3
+
X1 1
470n C6
VCC
2 4
KK1 D1 1N4004
D3 1N4004
PD7 PD6 PD5 PD4 PD3 PD2
+3V3
GND
XTAL2
+3V3
LPF
12
2 4 6 8 10 12 14 16
SV1
19 20 15 25 28
30
22p
PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0
VDDRX VDDPLL VDDTX VDDOSC VDD
C1
33 34 35 36 37 38 39 40
VSSRX VSSPLL VSSTX VSSOSC VSS
GND
GND
(ADC7)PA7 (ADC6)PA6 (ADC5)PA5 (ADC4)PA4 (ADC3)PA3 (ADC2)PA2 (ADC1)PA1 (ADC0)PA0
11 21 18 22 2
RESET
1 3 5 7 9 11 13 15
GND
+
9
AVCC
10
/RES IC1 C4 100n
C5 100n
GND
1 2
SCL SDA PC2 PC3 PC4 PC5 PC6 PC7
+3V3
L1 10µH
VCC
3 4
VCC
GND
LPF
10k
S1
PA1 PA3 PA5 PA7
VCC
/RES SCK MISO
2 4 6 8 10
R1
+
29.11.2007 20:59:37 f=0.72 C:\Dokumente und Einstellungen\root\Desktop\ETH_M32_EX\ETH_BOARD_NEW\ETH_EX_M32
VCC 1 3 5 7 9
MOSI
GND GND
1 3 5 7 9
PA0 PA2 PA4 PA6
2 4 6 8 10
PROG
SV2 GND
13
GND C2
22p
C3 100n
32
FERITE
(TOSC2)PC7 (TOSC1)PC6 (TDI)PC5 (TDO)PC4 (TMS)PC3 (TCK)PC2 (SDA)PC1 (SCL)PC0
AREF
GND
(OC2)PD7 (ICP)PD6 (OC1A)PD5 (OC1B)PD4 (INT1)PD3 (INT0)PD2 (TXD)PD1 (RXD)PD0
AGND
GND
29 28 27 26 25 24 23 22
PC7 PC6 PC5 PC4 PC3 PC2 SDA SCL
21 20 19 18 17 16 15 14
PD7 PD6 PD5 PD4 PD3 PD2 TXD RXD
IC5
10n
INT C24 100n MISO MOSI SCK ETH
4 5 10 6 7 8 9 3 1 14
C21
INT WOL RESET
TR
SO SI SCK CS CLKOUT VCAP RBIAS
R8 2k
TPOUT+ TPOUTTPIN+ TPINLEDA LEDB
17 16
6 5
13 12 27 26
R7 180
R6 180
4
9
3
10
23 24
2
Q2 ENC28J60-DIL 25Mhz
1
OSC1 OSC2
2
11
C20 1n
C19 1n
GND 1-8 1-7 1-6 1-5 1-4 1-3 1-2 1-1
J1
12
LED3 LED2 R9 50
1
10µ C18 22p
7 8
C17 22p
R10 50
C22 10n
GND GND
GND
GND GND
GND
GND
11
31
MEGA32-P
SCK MISO MOSI PB4 ETH INT PB1 PB0
R11 50
GND
(SCK)PB7 (MISO)PB6 (MOSI)PB5 (SS)PB4 (AIN1/OC0)PB3 (AIN0/INT2)PB2 (T1)PB1 (T0/XCK)PB0
XTAL1
8 7 6 5 4 3 2 1
C23 R12 50
Ethernet Interface
R5 33k
GND
Q1 16Mhz
GND
IN
C11
100n 220µF GND
GND GND
VCC
IC2
C13
5
100n 220µF TXD GND
GND GND
+3V3
VCC
VCC
VCC
RXD
11 10 12 9
V+ C1V-
2 C8
VCC
470n 6 C9
+3V3
GND OUT
IC3
R3 270 C14
R2 470
GND
C27
C26
C25
C10
100n
100n
100n
100n
IC4P 15
ADJ
C12
100n 220µF
GND GND
GND
GND
GND
GND
JP2
GND
1 2 3
C2+ C2T1IN T1OUT T2IN T2OUT R1OUT R1IN R2OUT R2IN
14 7 13 8
5 4 3 2 1
JP1
MAX232
D2 1N4004 IN
4
VCC
470n
C1+
9 8 7 6
JP3 1 2 3
X2 1 3
12V6 R4 1,5k
C15
16
GND
C16
VCC
D4
470n C7
OUT GND
GND
LED1
+
F1
3 2
IC4 1 3
+
X1 1
470n C6
VCC
2 4
KK1 D1 1N4004
D3 1N4004
PD7 PD6 PD5 PD4 PD3 PD2
+3V3
GND
XTAL2
+3V3
LPF
12
2 4 6 8 10 12 14 16
SV1
19 20 15 25 28
30
22p
PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0
VDDRX VDDPLL VDDTX VDDOSC VDD
C1
33 34 35 36 37 38 39 40
VSSRX VSSPLL VSSTX VSSOSC VSS
GND
GND
(ADC7)PA7 (ADC6)PA6 (ADC5)PA5 (ADC4)PA4 (ADC3)PA3 (ADC2)PA2 (ADC1)PA1 (ADC0)PA0
11 21 18 22 2
RESET
1 3 5 7 9 11 13 15
GND
+
9
AVCC
10
/RES IC1 C4 100n
C5 100n
GND
1 2
SCL SDA PC2 PC3 PC4 PC5 PC6 PC7
+3V3
L1 10µH
VCC
3 4
VCC
GND
LPF
10k
S1
PA1 PA3 PA5 PA7
VCC
/RES SCK MISO
2 4 6 8 10
R1
+
29.11.2007 20:59:37 f=0.72 C:\Dokumente und Einstellungen\root\Desktop\ETH_M32_EX\ETH_BOARD_NEW\ETH_EX_M32
VCC 1 3 5 7 9
MOSI
GND GND
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