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1
MD1
-
GND
2
MD2
-
GND
3
VCC
I
Voltage
4
NC
-
NC
5
VCC
I
Voltage
6
VSS
-
GND
7
NMI
I
Power Save Cancel
8
IRQ0/PTH(0)
I
FRP Card Squeeze
9
IRQ1/PTH(1)
I
FRP Card Squeeze
10
IRQ2/PTH(2)
I
FRP Card Squeeze
11
IRQ3/PTH(3)
I
USB Power Detect
12
IRQ4/PTH(4)
I/O Data Bus
13
D31/PTB(7)
-
NC
14
D30/PTB(6)
-
NC
15
D29/PTB(5)
-
NC
16
D28/PTB(4)
-
NC
17
D27/PTB(3)
-
NC
18
D26/PTB(2)
-
NC
19
VSSQ
-
GND
20
D25/PTB(1)
-
NC
21
VSSQ
I
Voltage
22
D24/PTB(0)
-
NC
23
D23/PTA(7)
-
NC
24
D22/PTA(6)
-
NC
25
D21/PTA(5)
-
NC
26
D20/PTA(4)
-
NC
27
VSS
-
GND
28
D19/PTA(3)
-
NC
29
VCC
I
Voltage
30
D18/PTA(2)
-
NC
31
D17/PTA(1)
-
NC
32
D16/PTA(0)
-
NC
33
VSSQ
-
GND
34
D15
I/O Data Bus
35
VCCQ
I
Voltage
36
D14
I/O Data Bus
37
D13
I/O Data Bus
38
D12
I/O Data Bus
39
D11
I/O Data Bus
40
D10
I/O Data Bus
41
D9
I/O Data Bus
42
D8
I/O Data Bus
43
D7
I/O Data Bus
44
D6
I/O Data Bus
45
VSSQ
-
GND
46
D5
I/O Data Bus
47
VCCQ
I
Voltage
48
D4
I/O Data Bus
49
D3
I/O Data Bus
50
D2
I/O Data Bus
51
D1
I/O Data Bus
52
D0
I/O Data Bus
53
A0
-
NC
54
A1
O Address Bus
55
A2
O Address Bus
56
A3
O Address Bus
57
VSSQ
-
GND
58
A4
O Address Bus
59
VCCQ
I
Voltage
60
A5
O Address Bus
61
A6
O Address Bus
Pin
No.
No.
IC3453: DSC MICROCOMPUTER
Signal Name
I/O
Explanation
62
A7
O Address Bus
63
A8
O Address Bus
64
A9
O Address Bus
65
A10
O Address Bus
66
A11
O Address Bus
67
A12
O Address Bus
68
A13
O Address Bus
69
VSSQ
-
GND
70
A14
O Address Bus
71
VCCQ
I
Voltage
72
A15
O Address Bus
73
A16
O Address Bus
74
A17
O Address Bus
75
A18
O Address Bus
76
A19
O Address Bus
77
A20
O Address Bus
78
A21
O Address Bus
79
VSS
-
GND
80
A22
O Address Bus
81
VCC
I
Voltage
82
A23
O Address Bus
83
VSSQ
-
GND
84
A24
-
NC
85
VCCQ
I
Voltage
86
A25
-
NC
87
BS/PTK(4)
-
NC
88
RD
O Reed Strobe
89
WE0/DQMLL
O Write Enable (D7-D0 Select)
90
WE1/DQMLU
I
Write Enable (D15-D8 Select)
91
WE2/DQMUL/PTK(6)
-
NC
92
WE3/DQMLU/PTK(7)
-
NC
93
RD/WR
I
Reed/Write
94
AUDSYNC/PTE(7)
-
NC
95
VSSQ
-
GND
96
CS0
O Flash ROM Chip Select
97
VCCQ
I
Voltage
98
CS2/PTK(0)
O WORKRAM Chip Select
99
CS3/PTK(1)
-
NC
100 CS4/PTK(2)
I
Chip Select
101 CS5/PTK(3)
O Card I/F Control Chip Select
102 CS6
I
Chip Select
103 PTE(4)
O VBUS Detect
104 PTE(5)
O Test Reset
105 CKE/PTK(5)
-
NC
106 BAS3L/PTJ(0)
O LED Control
107 NF/PTJ(1)
O Test Signal
108 CASU/PTH(2)
I
CAS
109 VSSQ
-
GND
110 CASU/PTJ(3)
O MEMO END
111 VCCQ
I
Voltage
112 NF/PTJ(4)
O PTJ(4)
113 NF/PTJ(5)
I/O Data Bus
114 DACK0/PRD(5) O USB Transistor Control
115 DACK1/PRD(7) O 48MHz Control ON/OFF
116 PTE(6)
115 DACK1/PRD(7) O 48MHz Control ON/OFF
116 PTE(6)
O PTE(6)
117 PTE(3)
O PTE(3)
118 RAS3U/PTE(2) O Test Signal
119 PTE(1)
119 PTE(1)
O Reset
120 TDO/PTE(0)
O Serial Data
121 BACK
-
NC
122 BREQ
-
NC
Pin
No.
No.
Signal Name
I/O
Explanation
123 WAIT
-
Waite Signal
124 RESETM
I
Voltage
125 ADTRG/PTH(5)
-
GND
126 PTG(7)
-
GND
127 ASEMD0/PTG(6)
I
Voltage
128 ASEBRKAK/PTG(5)
-
NC
129 UCLK/PTG(4)
I
48MHz In
130 AUDATA(3)/PTG(3)
-
NC
131 AUDATA(2)/PTG(2)
-
NC
132 VSS
-
GND
133 AUDATA(1)/PTG(1)
-
NC
134 VCC
I
Voltage
135 AUDATA(0)/PTG(0) O Test Signal
136 TRST/PTF(7)
136 TRST/PTF(7)
-
NC
137 TMS/PTF(6)
I
TMS
138 TDI/PTF(5)
-
NC
139 TCK/PTF(4)
I
Standby Mode Control
140 DMNS/PTF(3)
I
USB Receiver (D-) In
141 DPLS/PTF(2)
I
USB Receiver (D+) In
142 TXDPLS/PTF(1) O USB (D+) Out
143 TXDMNS/PTF(0) O USB (D-) Out
144 MD0
143 TXDMNS/PTF(0) O USB (D-) Out
144 MD0
-
GND
145 VCC
I
Voltage
146 CAP1
-
PLL1 Ext. Cupacity Terminal
147 VSS
-
GND
148 VSS
-
GND
149 CAP2
-
PLL2 Ext. Cupacity Terminal
150 VCC
I
Voltage
151 AUDCK/PTH(6)
-
GND
152 VSS
-
GND
153 VSS
-
GND
154 VCC
I
Voltage
155 XTAL
-
NC
156 EXTAL
I
Ext. Clock (27MHz)
157 STATUS0/PTJ(6)
-
Processor Status Signal
158 STATUS1/PTJ(7)
-
Processor Status Signal
159 TCLK/PTH(7)
-
NC
160 IRQOUT
-
NC
161 VSSQ
-
GND
162 CKIO
O System Clock Out (27MHz)
163 VCCQ
I
Voltage
164 TXD0/SCPT(0) O Serial Out (Control Microcomputer)
165 SCK0/SCPT(1)
165 SCK0/SCPT(1)
I
Serial Clock (Control Microcomputer)
Pin
No.
No.
Signal Name
I/O
Explanation
184 SUSPND/PTD(2)
O USB Suspend
185 NFX6/PTC(3)
O Data Bus
186 NFX6/PTC(2)
-
NC
187 NFX6/PTC(1)
-
GND
188 PTC(0)
O Standby Control
189 DRAK0/PTD(1)
-
GND
190 DRAK1/PTD(0)
-
NC
191 DREQ0/PTD(4)
-
GND
192 DREQ1/PTD(6)
-
GND
193 RESET P
I
Power ON Reset
194 VCCQ
I
Voltage
195 MD3
-
GND
196 MD4
I
Voltage
197 VSS
-
GND
198 AVSS
-
GND
199 AN(0)/PTL(0)
-
GND
200 AN(1)/PTL(1)
-
GND
201 AN(2)/PTL(2)
-
GND
202 AN(3)/PTL(3)
-
GND
203 PTL(4)
I
WINK END
204 PTL(5)
I
PTL(5)
205 AVCC
I
Voltage
206 PTL(6)
-
GND
207 PTL(7)
-
GND
208 AVSS
-
GND
Pin
No.
No.
Signal Name
I/O
Explanation
166 TXD1/SCPT(2)
-
NC
167 SCK1/SCPT(3) -
NC
168 TXD2/SCPT(4)
-
NC
169 SCK2/SCPT(5) -
NC
170 SCPT(6)
-
NC
171 RXD0/SCPT(0) I
Serial In (Control Microcomputer)
172 RXD1/SCPT(2) -
NC
173 VSS
-
GND
174 RXD2/SCPT(4) -
GND
175 VCC
I
Voltage
176 IRQ5/SCPT(7)
I
Ext. Squeeze Request
177 IRQ6/PTC(7)
I
Ext. Squeeze Request
178 IRQ7/PTC(6)
-
NC
179 XVDATA/PTC(5)/IO
I
USB Receiver Signal In
180 TXENL/PTC(4) O USB Output Enable
181 VSSQ
181 VSSQ
-
GND
182 VBUS/PTD(3)
I
USB Power Detect
183 VCCQ
I
Voltage
NV-GX7EG/EGM/B/EN/A/ENT
DSC I/O TABLE
DSC I/O TABLE
4.4.1. DSC I/O TABLE
NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT
23
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