AS5311 Demoboard OPERATIONAL MANUAL
Revision 1.0, 03 April 2009 www.austriamicrosystems.com
Page 4 of 9
4
AS5311 Demoboard bloc diagram, schematics, layout
Bat
tery
SPI
Figure 9: AS5311 bloc diagram
GN
D
1
Vout
2
Vin
3
U4
AS1360-30
D2
BAT54
C19
1u
1
2
J5
Header 2
VBUS
1
D-
2
D+
3
GND
4
SHLD
5
J3
440478-1
1
2
3
4
J2
Header 4
CS1n
1
RESn
2
A0
3
R/W
4
E
5
D0
6
D1
7
D2
8
D3
9
D4
10
D5
11
D6
12
D7
13
VDD
14
VSS
15
Vout
16
Cap3-
17
Cap1+
18
Cap1-
19
Cap2-
20
Cap2+
21
V1
22
V2
23
V3
24
V4
25
V5
26
VDD
27
C86
28
S
h
ield
0
J1
DisplayTech32128a
GND
GND
C23
10u
Vbat
5V
3V
GND
GND
GND
3.3V
3.3V
GND
C2
10u
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
LCD_A0
LCD_RW
Int_CLK
Analog_in
CSn
Ext_CLK
DO
LCD_E
LCD_E
LCD_RW
LCD_A0
A
B
Index
3.3V
GND
MagINCn
MagDECn
A_out
B_out
Prog
Int_DO
Int_CLK
PWM
Int_CSn
GND
DS3
LED_R
DS4
LED_R
DS5
LED_Y
DS6
LED_G
DS7
LED_G
R8
1k
R9
1k
R10
1k
R11
1k
R12
1k
1
2
3
4
J7
Header 4
GND
GND
R5
4.7k
R4
22k
C18
1u
GND
GND
Analog_in
DS1
LED3
R6
1k
GND
J4
PWM
R1
10k
GND
C3
100n
GND
3V
3V
GND
3V
GND
C16
1u/16V
C15
1u/16V
C14
1u/16V
C13
1u/16V
C12
1u/16V
GND
C8
1u/16V
C10
1u/16V
C11
1u/16V
GND
C9
1u/16V
R2
nc
C6
100n
C7
100n
3V
GND
C2CK
C2D
C1
100n
C5
1u
GND
P0.1
1
P0.0
2
P2.7
11
P2.6
12
P2.5
13
P2.4
14
P2.3
15
P2.2
16
P2.1
17
P2.0
18
P1.7
19
P1.6
20
P1.5
21
P1.4
22
P1.3
23
P1.2
24
P1.1
25
P1.0
26
P0.7
27
P0.6
28
P0.5
29
P0.4
30
P0.3
31
P0.2
32
GND
3
D+
4
D-
5
VDD
6
RegIn
7
VBUS
8
RST/C2CK
9
P3.0/C2D
10
U1
C8051F320
C24
1u
5V
C22
22u
5V
R13
33R
BL_A
GN
D
1
Vout
2
Vin
3
U3
AS1360-50
D1
LL4001
C21
1u
D3
BAS70-05
Vbat
R14
68R
LCD Backlight
A
B
Ind
D7..0
C25
10n
GND
A
B
Index
MagINCn
MagDECn
Dec
Inc
Prog
9V Battery
USB
ISP
R3
68k
3.3V
1
2
3
4
5
6
7
J6
Header 7
Prog
5V
3.3V
CSn
CLK
DO
GND
GND
3.3V
5V
Ext_CSn
Ext_CLK
Ext_DO
Prog
External encoder
SW1
MCLSS22_DPDT
Int_DO
DO
CSn
INT_CSn
nc
1
MagINCn
2
MagDECn
3
A
4
B
5
nc
6
Index
7
VSS
8
Prog
9
nc
10
nc
11
DO
12
CLK
13
CSn
14
PWM
15
nc
16
nc
17
VDD3V3
18
VDD5V
19
nc
20
U2
AS5311
Fcko
1
Fcki
2
VSS
3
SS/
4
SCK
5
MISO
6
MOSI
7
LFLAG/
8
DFLAG/
9
INDEX/
10
B
11
A
12
CNT_EN
13
VDD
14
U5
LS7366
1
2
Y1
20MHz
C26
15p
C27
15p
GND
GND
C17
100n
3.3V
GND
SCK
MISO
MOSI
SS/
SCK
MISO
MOSI
SS/
A
B
Reset_CNT
1
2
J8
Header 2
P1
Jumper2
P2
Jumper2
S1
SW-PB
GND
R15
47k
3.3V
R7
1M
J9
Reset_CNT
Figure 7: AS5311 Demoboard schematics
ams
AG
Technical
content
still
valid