Complete Schematics
6-2
STK502 User Guide
2528A–AVR–11/02
Figure 6-1. Schematics, 1 of 3
1
2
3
4
5
6
78
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
A9903.3.1020.B
MCU.Sch
13
27-Aug-2002
16:12:06
STK502
add-on
card
for
ATmega169,
SOCKETS
ATMEL
Norway
Vestre
Rosten
78,
7075
TILLER
NORWAY
PAGE:
of
TITLE:
Document
number:
Revision:
B
Date:
PAT
[7
..0
]
PC
T
[7..0]
PAT[7..0]
PCT[7..0]
PFT[7..0]
PFT
[7
..0
]
PGT[5..0]
PGT
[5
..0
]
AREFT
XTAL1
XTAL2
PDT[7..0]
PBT[7..0]
PB
T
[7..0]
PDT
[7
..0
]
PET0
PET1
PET2
PET3
PET4
PET5
PET6
PET7
PET[7..0]
PET[
7.
.0
]
PB
T
0
PB
T
1
PB
T
2
PB
T
3
PB
T
4
PB
T
5
PB
T
6
PB
T
7
VTG
GND
PAT0
PAT1
PAT2
PAT
3
PAT
4
PAT
5
PAT
6
PAT
7
PC
T
0
PC
T
1
PC
T
2
PC
T
3
PC
T
4
PC
T
5
PC
T
6
PC
T
7
VTG
GND
PGT
0
PGT
1
PGT
2
PDT0
PDT1
PDT2
PDT3
PDT4
PDT5
PDT6
PDT7
ADC0
ADC1
PFT2
PFT3
PFT4
PFT5
PFT6
PFT7
GND
AVTG
PAT
[7
..0
]
PC
T
[7..0]
PAT[7..0]
PCT[7..0]
PFT[7..0]
PFT[
7.
.0
]
PGT[5..0]
PG
T
[5..0]
AREFT
XTAL1
XTAL2
PDT[7..0]
PBT[7..0]
PB
T
[7..0]
PD
T
[7..0]
PET0
PET1
PET2
PET3
PET4
PET5
PET6
PET7
PET[7..0]
PET[
7.
.0
]
PB
T
0
PB
T
1
PB
T
2
PB
T
3
PB
T
4
PB
T
5
PB
T
6
PB
T
7
VTG
GND
PAT0
PAT1
PAT2
PAT
3
PAT
4
PAT
5
PAT
6
PAT
7
PC
T
0
PC
T
1
PC
T
2
PC
T
3
PC
T
4
PC
T
5
PC
T
6
PC
T
7
VTG
GND
PGT
0
PGT
1
PGT
2
PDT0
PDT1
PDT2
PDT3
PDT4
PDT5
PDT6
PDT7
ADC0
ADC1
PFT2
PFT3
PFT4
PFT5
PFT6
PFT7
GND
AVTG
Z
IF
So
ck
et
T
Q
FP
Fo
ot
pr
in
t
VTG
AVTG
1
2
C102
100N_16V
_X7R
1
2
C103
100N_16V
_X7R
1
2
C107
100N_16V
_X7R
1
2
C106
100N_16V
_X7R
2
1
L100
BLM
-21A
102S
GND
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
29
30
31
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
61
62
63
64
ST
100
T
Q
FP64 ZIF SOCKET
1
2
C104
100N_16V
_X7R
1
2
C105
100N_16V
_X7R
1
2
C100
100N_16V
_X7R
1
2
C101 100N_16V
_X7R
AR
E
FT
AR
E
FT
GND
GND
PD7(SEG15)
32
PD6(SEG16)
31
PD5(SEG17)
30
PD4(SEG18)
29
PD3(SEG19)
28
PD2(SEG20)
27
PD1(INT0/SEG21)
26
PD0(ICP/SEG22)
25
LCDCAP
1
PE0(RXD)
2
PE1(TXD)
3
PE2(AIN0/XCK)
4
PE3(AIN1)
5
PE4(SCL/USCK)
6
PE5(SDA/DI)
7
PE6(DO)
8
XTAL1(TOSC1)
24
XTAL2(TOSC2)
23
GND
22
VCC
21
PG5(RESET)
20
PG4(T0/SEG23)
19
PG3(T1/SEG24)
18
PB7(OC2)
17
PB6(OC1B)
16
PB5(OC1A)
15
PB4(OC0)
14
PB3(MISO)
13
PB2(MOSI)
12
PB1(SCK)
11
PB0(SS)
10
PE7
9
(SEG14)PG0
33
(SEG3)PA7
44
(SEG4)PG2
43
(SEG5)PC7
42
(SEG6)PC6
41
(SEG7)PC5
40
(SEG8)PC4
39
(SEG9)PC3
38
(SEG10)PC2
37
(SEG11)PC1
36
(SEG12)PC0
35
(SEG13)PG1
34
(SEG2)PA6
45
(SEG1)PA5
46
(SEG0)PA4
47
(COM3)PA3
48
AVCC
64
AGND
63
AREF
62
(ADC0)PF0
61
(ADC1)PF1
60
(ADC2)PF2
59
(ADC3)PF3
58
(TCK/ADC4)PF4
57
(TMS/ADC5)PF5
56
(TDO/ADC6)PF6
55
(TDI/ADC7)PF7
54
GND
53
VCC
52
(COM0)PA0
51
(COM1)PA1
50
(COM2)PA2
49
U100
ATMEGA169L-4AC
Not m
ounted
PGT3
PGT4
GND
L
C
DC
AP
GND
L
C
DC
AP
PGT3
PGT4
ADC0
ADC0
ADC1
ADC1
PGT5
PGT5
1
2
C108
1U_16V
_X7R
Not m
ounted
1
2
C109
1U_16V
_X7R