EP7311 Datasheet, PDF (40/54 Pages) Cirrus Logic – HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE

EP7311
High-Performance, Low-Power System on Chip
Ball Location
Table 21. 204-Ball TFBGA Ball Listing (Continued)
Name
Strength^†
Reset
State
Type
W11
W12
W13
ADCOUT
FB[0]
COL[5]
1
Low
O
I
1
High
O
W14
COL[2]
1
High
O
W15
COL[0]
1
W16
D[30]
1
W17
A[27]/DRA[0]
2
W18
D[26]
1
W19
VDDIO
W20
D[25]
1
Y1
VSSIO
Y2
VSSIO
Y3
VSSIO
Y4
PD[5]
1
Y5
PD[3]
1
Y6
PD[0]/LEDFLSH
1
High
Low
Low
Low
Low
Low
Low
Low
O
I/O
O
I/O
Pad power
I/O
Pad ground
Pad ground
Pad ground
I/O
I/O
I/O
Y7
SSITXDA
1
Low
O
Y8
ADCIN
I
Y9
VDDCORE
Y10
DRIVE[0]
Y11
SMPCLK
Y12
FB[1]
Y13
COL[6]
Core power
2
Input^‡
I/O
1
Low
O
I
1
High
O
Y14
COL[3]
1
High
O
Y15
COL[1]
1
Y16
D[31]
1
Y17
D[28]
1
Y18
D[27]
1
Y19
A[25]/DRA[2]
2
High
O
Low
I/O
Low
I/O
Low
I/O
Low
O
Description
SSI1 ADC serial
data output
PWM feedback input
Keyboard scanner
column drive
Keyboard scanner
column drive
Keyboard scanner
column drive
Data I/O
System byte address
/ SDRAM address
Data I/O
Digital I/O power,
3.3V
Data I/O
I/O ground
I/O ground
I/O ground
GPIO port D
GPIO port D
GPIO port D / LED
blinker output
DAI/CODEC/SSI2
serial data output
SSI1 ADC serial
input
Digital core power,
2.5V
PWM drive output
SSI1 ADC sample
clock
PWM feedback input
Keyboard scanner
column drive
Keyboard scanner
column drive
Keyboard scanner
column drive
Data I/O
Data I/O
Data I/O
System byte address
/ SDRAM address
40
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