Nexo NX242 Service Manual page 43

1 2
D
+3.3V
C
H[0..7]
H[0..7]
ALE/P
/MCS
/MWR
/MRD
HREQ
B
SCI_RXD
SCI_TXD
SCI_CLK
R5301
680K
X5301
20MHz
C5307
22P
C5308
22P
A
1 2
3
+3.3V
C5301 C5302 C5303 C5304 C5305
100N 100N 100N 100N 100N
H0 43
HAD0
H1 42
HAD1
H2 41
HAD2
H3 40
HAD3
H4 37
HAD4
H5 36
HAD5
H6 35
HAD6
H7 34
HAD7
33
HAS
32
HA8
31
HA9
30
/HCS
21
/HDS
22
HRW
24
/HREQ
23
/HACK
+3.3V 29
TIO0
28
TIO1
27
TIO2
13
RXD
14
TXD
15
SCLK /RESET
MODA
6
PINIT MODB
59
CLKOUT MODC
46
PCAP MODD
55
EXTAL
53
XTAL
45
V CCP
47
GND P
C5310
470N
C5309
4.7N 5%
3
4 5
DSPD[0..7]
100
DSPD0
101
DSPD1
102
DSPD2
105
DSPD3
DSPD4 106
DSPD5 107
DSPD6 108
DSPD7 109
110
113
114
115
116
117
118
121
122
123
124
125
128
131
DSP56303 132
133
U5301A R5302
10K
10
STD0 ESSI0_TD0 64
+3.3V
12
SC00 ESSI0_TD1 52
4
SC01 ESSI0_SC1 60
3
SC02 ESSI0_FS 61
17
SCK0 ESSI0_CLK
C5311
7
SRD0 ESSI0_RD
10N
2
STD1 ESSI1_TD0
11
SC10 ESSI1_SC0
144
SC11 ESSI1_SC1
143
SC12 ESSI1_FS
16
SCK1 ESSI1_CLK
1
SRD1 ESSI1_RD
R5303
10K
Note 1: the component U5301 is splitted in two parts U5301A and U5301B on this schematic.
141
TCK 1 2 Note 2: /HACK, TIO0, TIO1 and TI02 are not used anymore.
140
TDI 3 4
139
TDO 5 6
142
TMS 7 8
138
/TRST 9 10
5
/DE 11 12
44
137
PIN HEADER (2X6)
136
CN5301 +3.3V
135
134 /RST
Z5301 C5312
SHUNT 10N
4 5
6
DSP56303
U5301B U5302
72 12 13
DSPD0
D0 A0 A0 DQ0
73 11 14
DSPD1
D1 A1 A1 DQ1
76 10 15
DSPD2
D2 A2 A2 DQ2
77 9 17
DSPD3
D3 A3 A3 DQ3
78 8 18 DSPD4
D4 A4 A4 DQ4
79 7 19 DSPD5
D5 A5 A5 DQ5
82 6 20 DSPD6
D6 A6 A6 DQ6
83 5 21 DSPD7
D7 A7 A7 DQ7
84 27
D8 A8 A8
85 26 32
+3.3V
D9 A9 A9 VCC
88 23 16
D10 A10 A10 GND
89 25
D11 A11 A11
92 4
D12 A12 A12
93 28
D13 A13 A13 C5306
94 3 22
10N
D14 A14 A14 CE1
97 31 24
D15 A15 A15 OE
98 2 29
D16 A16 A16 WE
99 30
D17 A17 A17/CE2
1
D18 A18/NC
70
D19 AA0
69 62LV1024
D20 AA1
51
D21 AA2
50
D22 AA3
D23
68
/RD
67
/BB /WR
62
/CAS /TA
63
BCLK /BR
71
/BCLK /BG
6
7 8
D
C
B
A
NX242 TDcontroller (revision 1)
Excem Client :
NEXO
12, chemin des Hauts de Clairefontaine Fichier :
NX242rev2_0-S53.Sch
78580 MAULE FRANCE Auteur :
Frédéric Broydé
http://www.excem.fr mailto:info@excem.fr Numéro de dessin :
0409230117
tel: 01 34 75 13 65 fax: 01 34 75 13 66 Date :
6-Oct-2004
tel int: +33134751365 fax int: +33134751366 Feuille : /
17 19
7 8