Cirrus Logic EV2 - Manual (Page 33)

CobraNet™ EV-2
33 Rev. 2.1
1
2
34
A B C D
4
3
2
1
D C B A
C
o
braN
et (T
M
) E
valuation B
oard -
C
M
&
serial I/O
, and reset circuit.
E
2500 55th Street Sui
te 210
T
itle
:
File:
EV
2_com
.Sch
59
19-O
ct-2004
Date:
Sheet
of
Engineer: Bill Lowe
www.
peakaudi
o.
com
www.
ci
rrus.
com
Size:
Num
b
er:
Revision:
A
Cirrus Logic, Inc.
B
o
ulder, C
O
80301
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3 VCC_+3
HRESET# HREQ# HACK# HCS#
SSI_DOUT0 SSI_DOUT1 SSI_DOUT2 SSI_DOUT3 SSI_DIN0 SSI_DIN1 SSI_DIN2 SSI_DIN3 FS512_O
U
T
SCI_RXD
SCI_TXD
SCI_CLK ADDR3
RSVD1
RSVD2
RSVD3 RSVD4 M
U
TE#
AD7 A0 A1 A2
AUX_
POW
ER0
AUX_
POW
ER1
AUX_
POW
ER2
AUX_
POW
ER3
W
A
TCHDOG
HRW
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
P510 MMS_
C
ONN4
0
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
P511 MMS_
C
ONN4
0
HACK#
HRW HCS#
A
[0..2]
A
[0..2]
AD[0.
.7
]
AD[0.
.7
]
HRESET#
SW
508
SW
2349
C
R
508
1N
4148S
R
508
10K
P1S
+
C
508
10A
6S
M
R
ESET
M
R
ESET#
VS-
6
T2OUT
7
C1+
1
C2+
4
R2
OUT
9
R1IN
13
C1-
3
VS+
2
T2IN
10
T1IN
11
R2IN
8
T1OUT
14
R1
OUT
12
C2-
5
U
507
M
A
X
232A
C
502
.1S
C
501
.1S
C
503
.1S C
504
.1S
1 6 2 7 3 8 4 9 5
P504 DB9
FRA
SCI_TXD
TP500 TPS
AD0 AD1 AD2 AD3 AD4 AD5 AD6
RSVD[1
..
4
]
M
U
TE#
SSI_DOUT0 SSI_DOUT1 SSI_DOUT2 SSI_DOUT3
SSI_DIN0 SSI_DIN1 SSI_DIN2 SSI_DIN3
M
R
ESET#
RSVD[1.
.4
]
W
A
TCHDOG
B
510
.1S
VCC_+3
B
511
.1S
B
512
.1S
B
513
.1S
+5V +5V
+5V
+
C
510
10A
6S
+
C
511
10A
6S
+
C
512
10A
6S
1
2
U
508A
74LV
X
14S
5
6
U
508C
74LV
X
14S
11
10
U
508E
74LV
X
14S
12
13
U
508F
74LV
X
14S
GND
7
VCC
14
U
508G
74LV
X
14S
VCC_+3
VCC_+3
FS512_O
U
T
FS1_IN SSI_CLK_IN
TP501 TPG SCI_CLK
AUX_POW
ER[0.
.3
]
AUX_POW
ER[0.
.3
]
8
9
U
508D
74LV
X
14S
1 6 2 7 3 8 4 9 5
P501 DB9
FRA
HREQ#
HEN#
FS512_IN
FS512_IN
B
508
.1S
HEN#
B
514
.1S
+
C
513
10A
6S
+5V
VCC_+3
RXD
TXD
SCI_RXD
TXD
GND GND
GND
GND
GND
GND
GND
GND
GND
ADDR3
RXD
GND
SSI_CLK_IN
FS1_IN
CobraNet Module Connectors
Serial Interface
Reset Circuit
8051 com
CM com
1
2
3
J500 3
S
RHDR
FS1_IN
REF_CLK_IN
REF_CLK_IN
GND