Circuit Diagrams

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
CPU
ISP Programming
RESET & WatchdogUSB Power switch
USB Interface
DC/DC 5 V 500 mA
EMV Filter
LDO 3.3 V 150 mA
ISP
Status LEDPIPSEREXT Reset
SD Card Reader EEPROM
( NOT AUS )
OPTIONALE
BESTÜCKUNG
OPTIONALE
BESTÜCKUNG
OPTIONALE
BESTÜCKUNG
POWER, CPU, SD und USB Teil
1
I851 CTC V2.1
F20131013-01 RFO
A3
16Wednesday, January 22, 2014
Projekt
Größe Schaltplan Rev
Datum: Blatt
von
Conrad Electronic SE
Klaus Conrad Strasse 1
92240 Hirschau
PB6
PF6
PL7
PB1
PH1
PH4
PJ4
PA7
PE0
PG5
PK0
PL6
PF0
PB2
PD7
PH6
PJ5
PE3
PC2
PC4
PF4
PD2
PC7
PJ6
PE5
PC3
PK3
PJ7
PK6
PA2
PF1
PB7
PJ3
PC0
PB3
PK4
PA3
PD1
PD3PH3
PK2
PB4
PC1
PG2
PK7
PF5
PA4
PD0
PK1
PL0
PB5
PG0
PK5
PC5
PJ0
PA0
PL1
PH7
PA5
PG1
PF2
PL4
PH0
AVCC
PA1
PC6
PL2
PF3
PL5
PB0
PA6
PH5
PJ2
PE1
PF7
PL3
VIN
PE6
PE7
PD4
PD6
PG3
PG4
PJ1
PH2
PE4
DAT1
P3V3
PE2
DAT3
MISO
CLK
DAT2
VSS
VSS
PD5
CMD
VSS VSS
VSS
P5V
VSS
P5V
VSS
P5V
VSS VSS
P5V
VSS VSS
P5V
VSS
VSS
VSS
P5V
P3V3
VSS
P5V
P5V
VSS
VSS
VSSVSS
VSS
VSS
VSS
VSS
VSS VSS
VSS VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSVSS
VSS
VSS
VSS
P5V
VSS
VSSVSS
VSS
P3V3
VM1
GND
P5V
VSS
R2
237k
R5
10k
R8
10k
H4 LED 0805
C19
1n
C28
100n
R4
237k
X3
2 x RM2.54
1
2
H2 LED 0805
C22
15n
H1 LED 0805
L3
10uH Wü 74477410
C6
1n
H3 LED 0805
U3
AT24C256C-SSHL-B
1
2
3
4
8
7
6
5
A0
A1
A2
VSS
VCC
WP
SCL
SDA
U1
AT MEGA2560 TQFP
10 31 61 80 100
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
VCC VCC VCC VCC
AVCC
PG5 (OC0B)
(RXD0/PCINT8) PE0
(TXD0) PE1
(XCK0/AIN0) PE2
(OC3A/AIN1) PE3
(OC3B/INT4) PE4
(OC3C/INT5) PE5
(T3/INT6) PE6
(CLKO/ICP3/INT7) PE7
GND
PH0 (RXD2)
PH1 (TXD2)
PH2 (XCK2)
PH3 (OC4A)
PH4 (OC4B)
PH5 (OC4C)
PH6 (OC2B)
(SS/PCINT0) PB0
(SCLK/PCINT1) PB1
(MOSI/PCINT2) PB2
(MISO/PCINT3) PB3
(OC2A/PCINT4) PB4
(OC1A/PCINT5) PB5
(OC1B/PCINT6) PB6
(OC1C/PCINT7) PB7
PH7 (T4)
PG3 (TOSC2)
PG4 (TOSC1)
RESET
GND
XTAL2 (OUT)
XTAL1 (INP)
PL0 (ICP4)
PL1 (ICP5)
PL2 (T5)
PL3 (OC5A)
PL4 (OC5B)
PL5 (OC5C)
PL6
PL7
(SCL/INT0) PD0
(SDA/INT1) PD1
(RXD1/INT2) PD2
(TXD1/INT3) PD3
(ICP1) PD4
(XCK1) PD5
(T1) PD6
(T0) PD7
PG0 (WR)
PG1 (RD)
(A8) PC0
(A9) PC1
(A10) PC2
(A11) PC3
(A12) PC4
(A13) PC5
(A14) PC6
(A15) PC7
GND
PJ0 (RXD3/PCINT9)
PJ1 (TXD3/PCINT10)
PJ2 (XCK3/PCINT11)
PJ3 (PCINT12)
PJ4 (PCINT13)
PJ5 (PCINT14)
PJ6 (PCINT15)
PG2 (ALE)
(AD7) PA7
(AD6) PA6
(AD5) PA5
(AD4) PA4
(AD3) PA3
(AD2) PA2
(AD1) PA1
(AD0) PA0
PJ7
GND
PK7 (ADC15/PCINT23)
PK6 (ADC14/PCINT22)
PK5 (ADC13/PCINT21)
PK4 (ADC12/PCINT20)
PK3 (ADC11/PCINT19)
PK2 (ADC10/PCINT18)
PK1 (ADC9/PCINT17)
PK0 (ADC8/PCINT16)
(ADC7/TDI) PF7
(ADC6/TDO) PF6
(ADC5/TMS) PF5
(ADC4/TCK) PF4
(ADC3) PF3
(ADC2) PF2
(ADC1) PF1
(ADC0) PF0
AREF
GND
R21 3.3k
R9
3.3k
QZ1
16MHz F1841946
1 2
R7 10k
N3
LP2985-33DBVT
1
2
3
4
5
VIN
GND
ON / OFF
BYPASS
VOUT
C21
47p
C32
100n
V3
SMCJ43CABTR-ND
C40 100n
V1
MRA4003T3
A K
U4
FT232RL SSOP F1146032
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
TXD
DTR
RTS
VCCIO
RXD
RI
GND
NC DSR
DCD
CTS
CBUS4
CBUS2
CBUS3
USBDP
USBDM
3V3OUT
GND
RESET
VCC
GND
CBUS1
CBUS0
NC
AGND TEST
OSCI
OSCO
N2
TPS3820-50DBVT
5
1
23
4
VDD
RES
GNDMR
WDI
C23
100n
R3
36.5k
SD1
SD CARD F2081359
9
1
2
3
4
5
6
7
8
DAT2
CD/DAT3
CMD
VSS
VDD
CLK
VSS
DAT0
DAT1
C4
100n
R13
3.3k
R19
3.3k
R26 1.8k
C20
1.8n
C8
10n
C17
10n
C16
1n
X2
3 x 2 RM2.54
1
2
4
3
5
6
C11
4.7uF/50V 1206 587-2994-1-ND
C1 100n
R1
52,3k
BZ1
KXG0905c F1502728
R11 0R
R22 1.8k
C14
100n
R24 3.3k
C31
18p
C41
100n
C36
1u
R12
56k
C9
1n
C29
18p
C12
10u 0805 587-2396-1-ND
N1 TPS54060DGQ
1
2
3
4
5
6
7
8
9
10
TT
BOOT
VIN
EN
SS/TR
RT/CLK
PWRGD
VSENSE
COMP
GND
PH
POWERPAD
C7
100n
C33
100n
X1
C#743302
1
2
L2 10uH Wü 74476410
R27 1.8k
C25 100n
R18
3.3k
C37
10n
U2
LM358 F1467656
12
3
4
5
6
7
8
OUT1IN1-
IN1+
VSS
IN2+
IN2-
OUT2
VDD
C18
100n
R95
33k
W1
1 2
R17 1.8k
C13
10u 0805 587-2396-1-ND
Q1
NDT2955 F9846271
1
2 3 4
C3
100n
C38
47p
Q2
BC847
C5
100n
C27
100n
C26
100n
L4 0805 Wü326 185 220
C15
10n
C10
4.7uF/50V 1206 587-2994-1-ND
R15 1.8k
C39
47p
R92
3.3k
R25 1.8k
K2
JUMPER 2.54
R96
10k
R20
3.3k
R14
3.3k
C35
10n
C34
100n
BU1
USB Connector
M2
M1
1
2
3
4
SCH
SCH
+5V
USBDM
USBDP
GND
V2
ZLLS350
D1
BZV55-C4V7 SOD80C
C24
10n
C2
10n
R16 1.8k
R6
56k
C30
100n
L1 56uH_744777156
K1
JUMPER 2.54
PG1
6 x RM 1.27
1
2
4
3
5
6
R10
3.3k
R93
3.3k
R23 3.3k
nRES
SS
RXD2
nRES
TXD0
MISO
SCK
MOSI
MOSI
MISO
SCK
SDATXD2
RXD0
SCLnMRES
PC0
nRES
nMRES
LED_RX
LED_TXUSB3V
USB3V
USB5V
USB5V
INTCLK
VINP
VINP
MISO
nRES
SCK
MOSI
RXD0
TXD0
LED13
LED_RX
LED_TX
LED13
VINPH
BUZ1
STP_DRV5
OUT3
DIR_DRV5
DIR_DRV2
ENA_DRV5
OUT2
ENA_DRV4
DIR_DRV3
HZ2
STP_DRV3
STP_DRV1
DIR_DRV4
TH3
STP_DRV4
TAST3
BUZ1
HZ1
HZ3
STP_DRV2
D_E
D_LED
TH1
ENA_DRV3
D_RS
ES1
D_D4
ES2
TH2
DIR_DRV1
ENA_DRV2
ENA_DRV1
TAST1
D_D7
D_D6
D_D5
nRE
TAST2
OUT1
TAST4
TAST5
nRES
MISO
SS
MOSI
SCK SDA
SCL
TAST_E1
TAST_E2
TAST_E3
TAST_E4
TAST_E5
TAST_E6
FAULTn
SCS_5
STALLn_5
RESET_DRV
SCS_4
SCS_3
SCS_2
SCS_1
STALLn_4
STALLn_3
STALLn_2
STALLn_1
SDATO
SCLK
SDATI
ES3
PJ0
PJ1
PD2
PD3
PB6
PC0
PC2
PC4
PC5
PE2
PF3
PF4VIN
PC0