EP7312 Datasheet, PDF (35/64 Pages) Cirrus Logic – HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE

DS508PP5
EP7312
High-Performance, Low-Power System on Chip
Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)
Pin
No.
Signal
118
D[20]
119
A[19]/DRA[8]
120
D[19]
121
A[18]/DRA[9]
122
D[18]
123
VDDIO
124
VSSIO
125
nTRST
126
A[17]/DRA[10]
127
D[17]
128
A[16]/DRA[11]
129
D[16]
130
A[15]/DRA[12]
131
D[15]
132
A[14]/DRA[13]
133
D[14]
134
A[13]/DRA[14]
135
D[13]
136
A[12]
137
D[12]
138
A[11]
139
VDDIO
140
VSSIO
141
D[11]
142
A[10]
143
D[10]
144
A[9]
145
D[9]
146
A[8]
147
D[8]
148
A[7]
149
VSSIO
150
D[7]
151
nBATCHG
152
nEXTPWR
153
BATOK
154
nPOR
155
nMEDCHG/nBROM
156
nURESET
157
VDDOSC
158
MOSCIN
159
MOSCOUT
160
VSSOSC
Strength^†
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Schmitt
Schmitt
Reset
State
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Type
Description
I/O
O
I/O
O
I/O
Pad Pwr
Pad Gnd
I
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
Pad Pwr
Pad Gnd
I/O
O
I/O
O
I/O
O
I/O
O
Pad Gnd
I/O
I
I
I
I
I
I
Oscillator Power
I
O
Oscillator Ground
Data I/O
System byte address /
SDRAM address
Data I/O
System byte address /
SDRAM address
Data I/O
Digital I/O power, 3.3 V
I/O ground
JTAG async reset input
System byte address /
SDRAM address
Data I/O
System byte address /
SDRAM address
Data I/O
System byte address /
SDRAM address
Data I/O
System byte address /
SDRAM address
Data I/O
System byte address /
SDRAM address
Data I/O
System byte address
Data I/O
System byte address
Digital I/O power, 3.3 V
I/O ground
Data I/O
System byte address
Data I/O
System byte address
Data I/O
System byte address
Data I/O
System byte address
I/O ground
Data I/O
Battery changed sense input
External power supply sense
input
Battery OK input
Power-on reset input
Media change interrupt input /
internal ROM boot enable
User reset input
Oscillator power in, 2.5 V
Main oscillator input
Main oscillator output
Oscillator Ground
©Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
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