1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Excem
12, chemin des Hauts de Clairefontaine
78580 MAULE FRANCE
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17
19
NEXO
NX242rev2_0-S53.Sch
0409230117
6-Oct-2004
Page :
Frédéric Broydé
NX242 TDcontroller (revision 1)
DSPD7
DSPD6
DSPD5
DSPD4
DSPD3
DSPD2
DSPD1
DSPD0
H[0..7]
H[0..7]
ALE/P
/MCS
/MWR
/MRD
HREQ
SCI_RXD
SCI_TXD
SCI_CLK
/RST
R5303
10K
ESSI1_TD0
ESSI1_SC0
ESSI1_SC1
ESSI1_FS
ESSI1_CLK
ESSI1_RD
ESSI0_TD0
ESSI0_TD1
ESSI0_FS
ESSI0_CLK
ESSI0_RD
R5302
10K
DSPD[0..7]
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
CE1
22
OE
24
WE
29
GND
16
VCC
32
DQ0
13
DQ1
14
DQ2
15
DQ3
17
DQ4
18
DQ5
19
DQ6
20
DQ7
21
A18/NC
1
A17/CE2
30
A13
28
A14
3
A15
31
A16
2
U5302
62LV1024
+3.3V
C5306
10N
DSPD7
DSPD6
DSPD5
DSPD4
DSPD3
DSPD2
DSPD1
DSPD0
X5301
20MHz
1
2
3
4
5
6
7
8
9
10
11
12
CN5301
PIN HEADER (2X6)
R5301
680K
C5307
22P
C5308
22P
/BG
71
/TA
62
/BR
63
A0
72
A1
73
A10
88
A11
89
A12
92
A13
93
A14
94
A15
97
A16
98
A17
99
A2
76
A3
77
A4
78
A5
79
A6
82
A7
83
A8
84
A9
85
AA0
70
AA1
69
AA2
51
AA3
50
BCLK
60
/BCLK
61
/CAS
52
/RD
68
/WR
67
/BB
64
D0
100
D1
101
D10
114
D11
115
D12
116
D13
117
D14
118
D15
121
D16
122
D17
123
D18
124
D19
125
D2
102
D20
128
D21
131
D22
132
D23
133
D3
105
D4
106
D5
107
D6
108
D7
109
D8
110
D9
113
U5301B
DSP56303
+3.3V
C5311
10N
EXTAL
55
MODA
137
MODB
136
MODC
135
MODD
134
PCAP
46
PINIT
6
/RESET
44
TCK
141
TDI
140
T M S
142
/TRST
138
CLKOUT
59
XTAL
53
TDO
139
/DE
5
HA8
32
HA9
31
HAD0
43
HAD1
42
HAD2
41
HAD3
40
HAD4
37
HAD5
36
HAD6
35
HAD7
34
HAS
33
/HREQ
24
HRW
22
/HACK
23
/HCS
30
/HDS
21
RXD
13
SC00
12
SC01
4
SC02
3
SC10
11
SC11
144
SC12
143
SCK0
17
SCK1
16
SCLK
15
SRD0
7
SRD1
1
STD0
10
STD1
2
TIO0
29
TIO1
28
TIO2
27
TXD
14
NC
20
NC
49
V CC Q
91
V CCA
80
V CCA
86
V CCA
74
V CCA
95
V CCC
65
V CCC
57
V CCD
103
V CCD
111
V CCD
119
V CCD
129
V CCH
38
V CCP
45
V CCQ
56
V CCQ
126
V CCQ
18
V CCS
25
V CCS
8
GND A
75
GND A
81
GND A
87
GND A
96
GND C
58
GND C
66
GND D
104
GND D
112
GND D
120
GND D
130
GND H
39
GND P
47
GND P1
48
GND Q
90
GND Q
54
GND Q
127
GND Q
19
GND S
9
GND S
26
U5301A
DSP56303
+3.3V
C5312
10N
Z5301
SHUNT
H0
H1
H2
H3
H4
H5
H6
H7
+3.3V
+3.3V
Note 2: /HACK, TIO0, TIO1 and TI02 are not used anymore.
+3.3V
ESSI0_SC1
Note 1: the component U5301 is splitted in two parts U5301A and U5301B on this schematic.
C5301
100N
C5302
100N
C5303
100N
C5304
100N
C5305
100N
C5309
4.7N 5%
C5310
470N
