User manual

56Hardware
© 2013 Conrad Electronic
2.1.7.3
Schaltplan
C10 100nF C11 100nF
- +
C12 100uF
- +
C13 10uF C14 100nF C15 100nF
C32 100nF
C6 100nF
C7 10nF
C9 100nF
D1 1N4007 D2 1N4007
D3 1N4007 D4 1N4007
10mm
Project: MEGA128app_V2
Sheet 1 of 4
PCB-Design: MEGA Appl.-Board
schäffel electronic gmbh
IC3
7805
78xx
I O
G
JP4
L1
BLM21A
LD1 LD2 LD3
MOD1
MOD2
MOD3
MOD4
PAD1
TP
PAD2
TP
PAD3
TP
PAD_GND
TP
R1 390R R2 390R R3 390R
R4
47k
R5
47k
SW3
SW4
X11
X2
X3
X3A
X3B
X4
X5 X5A
X6 X6A
X7
X8
X8A
XP
AREF
AREF
AREF
AVCC
AVCC
CANH
CANL
EXT-A1
EXT-A1
EXT-A2
EXT-A2
EXT-DATA
EXT-RXD0
EXT-RXD1
EXT-SCK
EXT-SCL
EXT-SDA
EXT-T1
EXT-T2
EXT-TXD0
EXT-TXD1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
KEY-E
LCD-E
LED1
LED1
LED2
LED2
MISO
MISO
MOSI
MOSI
PA0
PA0
PA1
PA1
PA2
PA2
PA3
PA3
PA4
PA4
PA5
PA5
PA6
PA6
PA7
PA7
PB0
PB0
PB1
PB1
PB2
PB2
PB3
PB3
PB4
PB4
PB5
PB5
PB6
PB6
PB7
PB7
PC0
PC0
PC1
PC1
PC2
PC2
PC3
PC3
PC4
PC4
PC5
PC5
PC6
PC6
PC7
PC7
PD0
PD0
PD1
PD1
PD2
PD2
PD3
PD3
PD4
PD4
PD5
PD5
PD6
PD6
PD7
PD7
PE0
PE0
PE1
PE1
PE2
PE2
PE3
PE3
PE4
PE4
PE5
PE5
PE6
PE6
PE7
PE7
PF0
PF0
PF1
PF1
PF2
PF2
PF3
PF3
PF4
PF4
PF5
PF5
PF6
PF6
PF7
PF7
PG0
PG0
PG1
PG1
PG2
PG2
PG3
PG3
PG4
PG4
RESET
RESET
RESET-
RX-BUSY
SCK
SCK
SS-
TX-REQ
VCC
VCC
VCC
VCC
VCC
VCC
VIN
VREF
VREG
VUSB
2
1 3
1
2
3
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
1
15
14
13
12
11
10
9
2
3
6
5
4
8
7
16
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
1
9
10
12
13
14
15
16
2
3
4
5
6
7
8
11
1 2
1 2
123
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
1 2
3 4
5 6
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C28 100nF C29 100nF C30 100nF C31 100nF
10mm
Project: MEGA128app_V2
Sheet 2 of 4
PCB-Design: MEGA Appl.-Board
schäffel electronic gmbh
Vcc
Vss
A0
A1
A2 SDA
24Cxx
IC2
(WP)
SCL
$val
C1/
R
SRG8
& 1D
IC7
74HC164
3D
2D
2D
SRG8
G1[SHIFT]
C2[LOAD]
1
1
1C3/
IC8
74HC165
3D
2D
2D
SRG8
G1[SHIFT]
C2[LOAD]
1
1
1C3/
IC9
74HC165
JP1JP2
JP5
JP6
PT1
10k
R20
1k
R21
1k
R22
1k
R23 1k
R24 10R
R25 4k7
R28 4k7 R29 4k7
R30
4k7
R31
4k7
R32
4k7
R33
4k7
R34
4k7
R35
4k7
R36
4k7
R37
4k7
R38
4k7
R39
4k7
R40
4k7
R41
4k7
R49 4k7 R50 4k7 R51 4k7 R52 4k7
SW1
SW2
T1
BC846C
X14
X15
EXT-DATA
EXT-SCK
EXT-SCL
EXT-SDA
EXT-T1
EXT-T2
GND
GND
GND
GND
GND GND
GND
GND
GND
GND
GND
GND
KEY-E
LCD-D4
LCD-D4
LCD-D5
LCD-D5
LCD-D6
LCD-D6
LCD-D7
LCD-D7
LCD-E
LCD-RS
LCD-RS
LCD-RW
LCD-RW
RXD0
TXD0
VCC
VCC
VCC
VCC
VCC
VCCVCC
VCC
VCC
KEY3
KEY6
KEY9
KEY12
KEY2
KEY5
KEY8
KEY10
KEY1
KEY4
KEY7
KEY11
KEY12
KEY5
KEY1
KEY7
KEY11
KEY4
KEY10
KEY8
KEY2
KEY9
KEY6
KEY3
KEY2
KEY9
KEY6
KEY3
KEY12
KEY5
KEY1
KEY7
KEY11
KEY4
KEY10
KEY8
1
2
3
4
5
6
7
8
9
1
2
8
3
4
5
6
10
11
12
13
7
11
12
13
2
15
14
3
4
5
69
10
1
7
11
12
13
2
15
14
3
4
5
69
10
1
1 2 3
1 2 3
1
2
3
4
5
6
7
8
9
1
2
2 1
1 2
2
3 1
1
10
11
12
13
14
15
16
2
3 4
5 6
7 8
9
1
10
11
12
13
2
3
4
5
6
7
8
9
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