ams AG AS5145A Manual - Page 8

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AS5X45/AS5145A/B Demoboard OPERATIONAL MANUAL

5 AS5045/AS5145A/B Demoboard, Schematics, Blockdiagramm

C1
C2
100n
10u
GND
ISP
J2
1
2
3
4
Header 4
GND
J3
1
VBUS
USB
2
D-
3
D+
4
GND
5
SHLD
440478-1
GND
3.3V
AS5145-I10 / AS5145-I12:
- Populated: DS5, DS6, DS7, R10, R11,
R12
R9
- NA: R7, R15
1k
AS5045 - AS5145:
Dec
- Populated: R15 = 1k
- NA:DS5, DS6, DS7, R10, R11, R12
DS4
J7
LED_R
MagINCn
1
MagDECn
2
A
3
B
4
Index
5
6
R7
nc
Header 6
DS7
DS6
DS5
GND
LED_G
LED_G
LED_Y
3.3V
GND
R12
R11
R10
1k
1k
1k
A
B
Ind
GND
D2
BAT54
J5
D1
U3
Vbat
3
1
Vin
2
LL4001
Header 2
C22
GND
22u
9V Battery
Revision 1.3, 22-Jul-2009
U1
5V
D7
7
11
RegIn
P2.7
12
D6
P2.6
3.3V
13
D5
P2.5
6
14
D4
VDD
P2.4
15
D3
P2.3
C4
C5
16
D2
P2.2
100n
1u
3
17
D1
GND
P2.1
D0
18
P2.0
GND
19
Index
P1.7
20
B
P1.6
C2CK
9
21
A
RST/C2CK
P1.5
10
22
3.3V
P3.0/C2D
P1.4
C2D
23
P1.3
24
P1.2
25
P1.1
26
Analog_in
P1.0
8
27
Prog
VBUS
P0.7
5
28
Ext_CLK
D-
P0.6
4
29
DO
D+
P0.5
30
CSn
P0.4
LCD_E
31
P0.3
Int_CLK
32
P0.2
LCD_RW
1
P0.1
2
LCD_A0
P0.0
C8051F320
R8
1k
Inc
DS3
C19
3.3V
100n
LED_R
U2
MagINCn
1
16
MagINCn
VDD5V
MagDECn
2
15
MagDECn
VDD3V3
A
3
14
A_LSB_U
nc
B
4
13
B_DIR_V
nc
5
12
PWM
nc
PWM_LSB
Index
6
11
Int_CSn
Index_W
CSn
R15
7
10
Int_CLK
GND
VSS
CLK
nc
Prog
8
9
Int_DO
Prog
DO
C25
AS5045
AS5040
AS5145
10n
GND
U4
5V
2
3
Vout
Vin
Vout
C23
AS1360-50
C21
AS1360-30
1u
10u
GND
Figure 7: AS5x45/AS5145A/B-Ix Demoboard schematics
Figure 8: AS5x45/AS5145A/B-Ix Demoboard PCB Layout
www.austriamicrosystems.com
3V
R1
10k
C3
GND
GND
LCD_A0
100n
LCD_RW
D7..0
LCD_E
D0
D1
D2
D3
D4
C8
D5
1u/16V
D6
GND
D7
R2
3V
C9
nc
GND
1u/16V
C10
1u/16V
C11
1u/16V
C12
C13
C14
C15
C16
3V
1u/16V
1u/16V
1u/16V
1u/16V
1u/16V
GND
C20
GND
100n
J4
PWM
GND
R5
R4
Analog_in
4.7k
22k
C18
R3
1u
68k
DS1
GND
LED3
GND
R6
1k
GND
3V
2
AS5x45-DB
C24
1u
3V
C6
C7
J1
100n
100n
1
CS1n
2
RESn
GND
3
A0
4
R/W
5
E
6
D0
R14
7
D1
Vbat
8
68R
D2
9
D3
D3
10
D4
BAS70-05
11
D5
12
D6
13
D7
BL_A
14
VDD
15
LCD Backlight
VSS
16
Vout
17
Cap3-
18
Cap1+
R13
19
Cap1-
5V
20
33R
Cap2-
21
Cap2+
22
V1
23
V2
24
V3
25
V4
26
V5
27
VDD
28
DisplayTech32128a
C86
GND
SW1
J6
Int_DO
DO
GND
1
GND
Ext_DO
DO
2
Ext_CLK
CLK
3
Ext_CSn
INT_CSn
CSn
4
CSn
3.3V
5
3.3V
5V
6
5V
Prog
MCLSS22_DPDT
Prog
7
Header 7
External encoder
Page 7 of 12