EP7312 Datasheet, PDF (36/64 Pages) Cirrus Logic – HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE

EP7312
High-Performance, Low-Power System on Chip
Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)
Pin
No.
Signal
161
WAKEUP
162
nPWRFL
163
A[6]
164
D[6]
165
A[5]
166
D[5]
167
VDDIO
168
VSSIO
169
A[4]
170
D[4]
171
A[3]
172
D[3]
173
A[2]
174
VSSIO
175
D[2]
176
A[1]
177
D[1]
178
A[0]
179
D[0]
180
VSSCORE
181
VDDCORE
182
VSSIO
183
VDDIO
184
CL[2]
185
CL[1]
186
FRM
187
M
188
DD[3]
189
DD[2]
190
VSSIO
191
DD[1]
192
DD[0]
193
nSDCS[1]
194
nSDCS[0]
195
SDQM[3]
196
SDQM[2]
197
VDDIO
198
VSSIO
199
SDCKE
200
SDCLK
201
nMWE/nSDWE
202
nMOE/nSDCAS
203
VSSIO
204
nCS[0]
205
nCS[1]
Strength^†
Schmitt
1
1
1
1
Reset
State
Low
Low
Low
Low
1
Low
1
Low
2
Low
1
Low
2
Low
1
Low
2
Low
1
Low
2
Low
1
Low
1
Low
1
Low
1
Low
1
Low
1
Low
1
Low
1
Low
1
Low
1
High
1
High
2
Low
2
Low
2
Low
2
Low
1
High
1
High
1
High
1
High
Type
I
I
O
I/O
Out
I/O
Pad Pwr
Pad Gnd
O
I/O
O
I/O
O
Pad Gnd
I/O
O
I/O
O
I/O
Core ground
Core Pwr
Pad ground
Pad Power
O
O
O
O
I/O
I/O
Pad Gnd
I/O
I/O
O
O
I/O
I/O
Pad Pwr
Pad Gnd
I/O
I/O
O
O
Pad Gnd
O
O
Description
System wake up input
Power fail sense input
System byte address
Data I/O
System byte address
Data I/O
Digital I/O power, 3.3 V
I/O ground
System byte address
Data I/O
System byte address
Data I/O
System byte address
I/O ground
Data I/O
System byte address
Data I/O
System byte address
Data I/O
Core ground
Core power, 2.5 V
I/O ground
Digital I/O power, 3.3 V
LCD pixel clock out
LCD line clock
LCD frame synchronization
pulse
LCD AC bias drive
LCD serial display data
LCD serial display data
I/O ground
LCD serial display data
LCD serial display data
SDRAM chip select 1
SDRAM chip select 0
SDRAM byte lane mask
SDRAM byte lane mask
Digital I/O power, 3.3 V
I/O ground
SDRAM clock enable output
SDRAM clock out
ROM, expansion write
enable/ SDRAM write enable
control signal
ROM, expansion OP
enable/SDRAM CAS control
signal
I/O ground
Chip select 0
Chip select 1
36
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(All Rights Reserved)
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