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Appendix C: Board Schematics
4-18 AT89STK-06 Demo Board User Guide
4339B–CAN–11/04
Figure 4-6. AT89STK-06 Board Schematics (4 of 4)
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Batt- Batt+
VCC
AGND
Vcc
VCC
VPOWER
/RST
RST
/RST_UART
XTAL2_44
XTAL2_52
XTAL2
Title
Size Document Number Rev
Date: Sheet
of
<Doc> 1.0.0
CC0x_demob/POWER
A4
44Monday, May 24, 2004
Title
Size Document Number Rev
Date: Sheet of
<Doc> 1.0.0
CC0x_demob/POWER
A4
44Monday, May 24, 2004
Title
Size Document Number Rev
Date: Sheet of
<Doc> 1.0.0
CC0x_demob/POWER
A4
44Monday, May 24, 2004
CD74HC14D
"Solder Strap"
Reset Circuit
Clock Circuit
"Solder Strap"
ON/OFF
+
-
Charge
X2_44 X2_52
1 2
SW1
SWITCH SSL
SW1
SWITCH SSL
D8
LED PWR RED
PWR
D8
LED PWR RED
PWR
SP2SP2
C29
100 nF
C29
100 nF
R17
1.2 K
R17
1.2 K
C28
4.7 µF
C28
4.7 µF
3
2
1
J4
CONNECTOR JACK PWR
Power
J4
CONNECTOR JACK PWR
Power
SW5
RESET
PUSHBUTTON
SW5
RESET
PUSHBUTTON
R16
100
R16
100
C32
100 nF
C32
100 nF
C31
1 µF
C31
1 µF
3 4
U10B
74HC14D
U10B
74HC14D
R18
10 k
R18
10 k
1
TP5
GND
TP5
GND
1 2
D7
MRA4007
D7
MRA4007
VIN
1
GND
3
VOUT
2
U9
MC78M05CDT
U9
MC78M05CDT
R19
1 K
R19
1 K
R20
0
R20
0
1 2
U10A
74HC14D
U10A
74HC14D
1 2
J5
Battery
J5
Battery
1 2
JP6
Batt
JP6
Batt
C30
4.7 µF
C30
4.7 µF
1
3
2
4
-+
U8
DF005S
-+
U8
DF005S
SP3SP3
1
TP4
VCC
TP4
VCC