Atmel AT89STK-06 User Manual
Page 18
Appendix C: Board Schematics
AT89STK-06 Demo Board Software Demo Guide
4-17
4339C–CAN–07/05
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