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SVG Picture created as 8-bit-spect-1284.svg date 2022/07/27 12:34:18
8-bit Spectrograph ATmega1284
8-bit spectrograph with ATmega1284 and ADC0820
GNDREF
C8
1uF
D2
1N4005
C12
10nF
R5
110
SW1
SW_Push
1
2
J4
Conn_01x02_Male
GNDREF
MOSI
1
VCC
2
GND
4
~RST
5
SCK
7
MISO
9
J2
AVR-ISP
PB0
1
VCC
10
GND
11
XTAL2
12
XTAL1
13
PD0
14
PD1
15
PD2
16
PD3
17
PD4
18
PD5
19
PB1
2
PD6
20
PD7
21
PC0
22
PC1
23
PC2
24
PC3
25
PC4
26
PC5
27
PC6
28
PC7
29
PB2
3
AVCC
30
AREF
32
PA7
33
PA6
34
PA5
35
PA4
36
PA3
37
PA2
38
PA1
39
PB3
4
PA0
40
PB4
5
PB5
6
PB6
7
PB7
8
~RESET
9
U1
ATmega1284-PU
1
2
3
RV1
2k
1
2
3
RV2
20k
GNDREF
1
2
JP1
Jumper
C2
100nF
+5V
R2
2.21k
R1
10k
GNDREF
GNDREF
1
2
3
4
5
6
J1
Program Load
C1
100nF
C7
100nF
C3
100nF
C4
22pF
D1
1N4005
C11
220uF/35V
C9
220uF/35V
IN
1
GND
2
OUT
3
U4
L7805
C10
100nF
C5
22pF
Y1
16MHz
1
2
J3
Screw_Terminal_01x02
R4
240
R3
240
1
2
3
Q1
2N3906
GNDREF
VCC
1
VDD
2
OS
21
SS
22
ICG
3
MCLK
4
SH
5
U2
TCD1304
C6
100nF
GNDREF
+5V
GNDREF
+5V
VIN
1
GND
10
VREF(-)
11
VREF(+)
12
~CS
13
DB4
14
DB5
15
DB6
16
DB7
17
~OFL
18
NC
19
DB0
2
VCC
20
DB1
3
DB2
4
DB3
5
~WR/RDY
6
MODE
7
~RD
8
~INT
9
U3
ADC0820CCWM
SH
D7
D6
DTR
TX>>RX
RX<<TX
D5
RD
WR
ICG
M
D4
D3
D2
D1
D0
RAW
HV
VREF (-)
VREF (+)
GND TEST POINT