EP7312-CB-90 CIRRUS [Cirrus Logic], EP7312-CB-90 Datasheet - Page 36

• Manufacturer Part Number: EP7312-CB-90
• Description: HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
• Manufacturer: CIRRUS [Cirrus Logic]

EP7312
High-Performance, Low-Power System on Chip
36
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
Pin
No.
nMOE/nSDCAS
nMWE/nSDWE
VDDCORE
VSSCORE
WAKEUP
SDQM[3]
SDQM[2]
nPWRFL
nSDCS[1]
nSDCS[0]
SDCKE
VDDIO
VDDIO
VDDIO
SDCLK
Signal
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
nCS[0]
nCS[1]
CL[2]
CL[1]
DD[3]
DD[2]
DD[1]
DD[0]
FRM
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
A[6]
A[5]
A[4]
A[3]
A[2]
A[1]
A[0]
M
Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)
©
C opyright Cirrus Logic, Inc. 2003
Strength
Schmitt
1
1
1
2
2
2
2
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
(All Rights Reserved)
†
Reset
State
High
High
High
High
High
High
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
Core ground
Pad ground
Pad Power
Core Pwr
Pad Gnd
Pad Gnd
Pad Gnd
Pad Gnd
Pad Gnd
Pad Pwr
Pad Pwr
Type
Out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
enable/ SDRAM write enable
SDRAM clock enable output
enable/SDRAM CAS control
LCD frame synchronization
SDRAM byte lane mask
SDRAM byte lane mask
Digital I/O power, 3.3 V
Digital I/O power, 3.3 V
LCD serial display data
LCD serial display data
LCD serial display data
LCD serial display data
Digital I/O power, 3.3 V
System wake up input
ROM, expansion write
Power fail sense input
System byte address
System byte address
System byte address
System byte address
System byte address
System byte address
System byte address
SDRAM chip select 1
SDRAM chip select 0
ROM, expansion OP
LCD pixel clock out
Core power, 2.5 V
LCD AC bias drive
SDRAM clock out
LCD line clock
control signal
Chip select 0
Chip select 1
Description
Core ground
I/O ground
I/O ground
I/O ground
I/O ground
I/O ground
I/O ground
Data I/O
Data I/O
Data I/O
Data I/O
Data I/O
Data I/O
Data I/O
signal
pulse
DS508PP5