Atmel AT89STK-06 - Manual (Page 17)

Appendix C: Board Schematics
4-16 AT89STK-06 Demo Board Software Demo Guide
4339C–CAN–07/05
Figure 4-4. AT89STK-06 Board Schematics (2 of 4)
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
P3.2 P3.3 P3.1 P1.6 P1.4 P3.6 P3.0 P1.3 P1.0 P1.2 P3.5 P1.7 P1.1 P1.5 P3.4 P3.7
P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P4.1 P4.0 P2.1 P2.2 P2.7 P2.0 P2.6 P2.4 P2.3 P2.5 P4.2 P4.3 P4.4
VCC
VCC
/BUZZER
TWI_scl TWI_sda
P1.[0..7] P3.[0..7]
/EA XTAL2 /RST_IO A16 CS_RAM
/PSEN
ALE
P0.[0..7] P2.[0..7] P4.0
VPOWER
CS_FLASH
P4.1 P4.2 P4.3 P4.4
ISP_FLASH
/INT0 /INT1
Title Size
Document Number
Rev
Date:
Sheet
of
<Doc>
1.0.0
CC0x_demob/Generic_board
A4
24
Thursday, January 08, 2004
Title Size
Document Number
Rev
Date:
Sheet
of
<Doc>
1.0.0
CC0x_demob/Generic_board
A4
24
Thursday, January 08, 2004
Title Size
Document Number
Rev
Date:
Sheet
of
<Doc>
1.0.0
CC0x_demob/Generic_board
A4
24
Thursday, January 08, 2004
RAM
External RAM Mapping
FLASH
/ISP_F /CS_RAM
1 1
1
0
0
X
R3 4.7 K R3 4.7 K
D2 LED PWR ORANGE P1.5 D2 LED PWR ORANGE P1.5
Vss
2
Vss
4
Keyb.7
6
Keyb.6
8
Keyb.5
10
Keyb.4
12
Keyb.3
14
Keyb.2
16
Keyb.1
18
Keyb.0
20
ALE
22
Vss
24
/PSEN
26
Spare8
28
Spare9
30
Spare10
32
Spare11
34
Spare12
36
/ISP_F
38
CS_FLASH
40
Vss_out
42
Vss
44
4.35_12V
46
4.35_12V
48
P4.7
1
P4.6
3
P4.5
5
P4.4
7
P4.3
9
P4.2
11
P4.1
13
P4.0
15
P2.7
17
P2.6
19
P2.5
21
P2.4
23
P2.3
25
P2.2
27
P2.1
29
P2.0
31
P0.7
33
P0.6
35
P0.5
37
P0.4
39
P0.3
41
P0.2
43
P0.1
45
P0.0
47
J2
Connector Generic Board Right
J2
Connector Generic Board Right
SW2 INT0 SW2 INT0
R4 4.7 K R4 4.7 K
P5.7
2
P5.6
4
P5.5
6
P5.4
8
P5.3
10
P5.2
12
P5.1
14
P5.0
16
/RD
18
/WD
20
P3.5
22
P3.4
24
P3.3
26
P3.2
28
P3.1
30
P3.0
32
P1.7
34
P1.6
36
P1.5
38
P1.4
40
P1.3
42
P1.2
44
P1.1
46
P1.0
48
Vss
1
Vss
3
/Buzzer
5
Spare7
7
Spare6
9
Spare5
11
Spare4
13
Spare3
15
Spare2
17
Spare1
19
Spare0
21
Vss
23
Xtal2
25
Vss
27
CS_RAM
29
A16
31
/BP1
33
/EA
35
/RST
37
/TWI_IT
39
TWI_scl
41
TWI_sda
43
Vss
45
Vcc_CPU
47
J1
Connector Generic Board Left
J1
Connector Generic Board Left
R7 1.2 K R7 1.2 K
R6 10 K R6 10 K SW3 INT1 SW3 INT1
1
2
JP2
MUTE
JP2
MUTE
R5 10 K R5 10 K