Atmel AT89STK-06 CAN, Hardware User'S Manual

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Appendix C: Board Schematics
AT89STK-06 Demo Board User Guide 4-17
4339B–CAN–11/04
Figure 4-5. AT89STK-06 Board Schematics (3 of 4)
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
TxDC RxDC
CANH CANL GND
CTS
DSR RTS DTR DCD Rx_PC
Rx_MCU
Tx_PC
VCC
VCC
AGND
VCC
Vcc
VCC
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
VCC
Vcc
P4.1 P4.0
ADC_Temp
ADC_Pot
P3.5 P4.2 P4.3 P4.4
ISP_mode TX_UART /RST_UART RX_UART
VAREF
Title Size
Document Number
Rev
Date:
Sheet
of
<Doc>
1.0.0
CC0x_demob/Interfaces
A4
34
Thursday, January 08, 2004
Title Size
Document Number
Rev
Date:
Sheet
of
<Doc>
1.0.0
CC0x_demob/Interfaces
A4
34
Thursday, January 08, 2004
Title Size
Document Number
Rev
Date:
Sheet
of
<Doc>
1.0.0
CC0x_demob/Interfaces
A4
34
Thursday, January 08, 2004
ADC
CAN I/O
SPI Interface
SS
MISO SCK MOSI GND
VCC
ADC
RS232 I/O
AT6660
MAX202ECSE
MAX202ECSE
74HC125/SO
DECOUPLING CAPACITOR CLOSE TO THE DEVICE
Negative Temperature Coefficient Resistor
Not Mounted
C26
100 nF
C26
100 nF
5
6
4
U6B 74HC125/SO U6B 74HC125/SO
1
TP2
VPot
TP2
VPot
1
TP3 VTemp TP3 VTemp
R15 1.2 K R15 1.2 K D6 LED PWR RED RS-Rx D6 LED PWR RED RS-Rx
C11
10 nF
C11
10 nF
D5
LED PWR GREEN
RS-Tx
D5
LED PWR GREEN
RS-Tx
C17 0.1 µF C17 0.1 µF
C24
100 nF
C24
100 nF
1
2
JP4 RTS JP4 RTS
1
TP1
VRef
TP1
VRef
R14
1.2 K
R14
1.2 K
RXD
4
TXD
1
CANH
7
CANL
6
Vcc
3
Vref
5
Gnd
2
Rs
8
U4
AT6660
U4
AT6660
C27
100 nF
C27
100 nF
C1+
1
C1-
3
C2+
4
C2-
5
VCC
16
GN D
15
V+
2
V-
6
R1OUT
12
R2OUT
9
T1IN
11
T2IN
10
R1IN
13
R2IN
8
T1OUT
14
T2OUT
7
U5 MAX202ECSE U5 MAX202ECSE
R10
120
R10
120
5 9 4 8 3 7 2 6 1
P2 SUB-D9 FEMALE RS232 P2 SUB-D9 FEMALE RS232
C13 0.1 µF C13 0.1 µF
C19 0.1 µF C19 0.1 µF
1
2
JP5 DTR JP5 DTR
Vin
1
Vout
5
GN D
2
U3
MAX6129BEUK33T
U3
MAX6129BEUK33T
C9 100 nF C9 100 nF
C12 100 nF C12 100 nF
C21 0.1 µF C21 0.1 µF
C15 0.1 µF C15 0.1 µF
R13
NCP18WF104J03RB
R13
NCP18WF104J03RB
5 9 4 8 3 7 2 6 1
P1
SUB-D9 FEMALE
CAN P1
SUB-D9 FEMALE
CAN
R9 1.2 K R9 1.2 K
C22 0.1 µF C22 0.1 µF
2
3
1
U6A 74HC125/SO U6A 74HC125/SO
C14
0.1 µF
C14
0.1 µF
D3 LED PWR RED CAN-Rx D3 LED PWR RED CAN-Rx
C10 100 nF C10 100 nF
C20 0.1 µF C20 0.1 µF
D4
LED PWR GREEN
CAN-Tx
D4
LED PWR GREEN
CAN-Tx
R8 1.2 K R8 1.2 K
R11 100 K R11 100 K
R12
10k pot
R12
10k pot
C23 0.1 µF C23 0.1 µF
9
8
10
U6C 74HC125/SO U6C 74HC125/SO
1 2 3 4 5 6
J3
SPI Male
J3
SPI Male
1 2
JP3
CAN Res
JP3
CAN Res
C16 0.1 µF C16 0.1 µF
C1+
1
C1-
3
C2+
4
C2-
5
VCC
16
GN D
15
V+
2
V-
6
R1OUT
12
R2OUT
9
T1IN
11
T2IN
10
R1IN
13
R2IN
8
T1OUT
14
T2OUT
7
U7
MAX202ECSE
U7
MAX202ECSE
C25
100 nF
C25
100 nF
C18 0.1 µF C18 0.1 µF
12
11
13
U6D 74HC125/SO U6D 74HC125/SO