MOTOROLA
56F805EVM Schematics
A-13
Figure
A
-12
. P
rima
ry Ze
ro-C
ros
sing/
Quadra
ture
-Encode
r or Hal
l-Effe
ct Se
lec
tor
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
ENCODER /
HALL
EFFECT
CONNECTOR
UNI-3: ZERO CROSSING
PIN 1: +5.0V
PIN 3: PHASE A
PIN 4: PHASE B
PIN 5: INDEX
PIN 2: GROUND
PIN 6: HOME
CONNECT
1-2: ZERO CROSSING
INFORMATION
2-3: ENCODER / HALL
EFFECT INFORMATION
PRIMARY ZERO-CROSSING/QUA
DRATURE-ENCODER OR HALL-EFFECT SELECTOR
A
DSP56F805EVM.DSN
Tuesday, July 04, 2000
Development Tools
1
8
12
1.3
Wireless Subscriber
D
iv
is
io
n
6501
William Cannon Drive West
Austin
,
TX, 78735-8598
(512)895-3230 FAX: (512)895-4556 MD:OE31
4
Title
Size
D
o
c
ument
Numb
e
r
Date:
Designer:
Rev.
Sheet
o
f
HOME0
ZERO_X_C
ZERO_X_B
ZERO_X_A
INDEX0
PHASEB0
PHASEA0
+5.0V
+5.0V
+5.0V
+5.0V
+5.0V
JG12A
1
2
3
R86
24 Ohm
C58
470pF
R85
24 Ohm
R84
1K
R83
24 Ohm
R82
24 Ohm
R81
1K
C57 470pF
R80
24 Ohm
R79
24 Ohm
R78
1K
C56
470pF
R75
1K
C55
470pF
R77
24 Ohm
R76
24 Ohm
+
C54
2.2uF,50V
C53
0.1uF
J23
1
2
3
4
5
6
JG12B
4
5
6
JG12C
7
8
9
F
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e
sc
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le
S
e
m
ic
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I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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.
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