EP7312_05 Datasheet, PDF (45/64 Pages) Cirrus Logic – High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced

Ball Location
Name
V17
A[26]/DRA[1]
V18
VDDIO
V19
V20
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
W17
W18
W19
W20
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
VDDIO
A[24]/DRA[3]
VSSIO
VSSIO
VSSIO
PD[6]/SDQM[0]
TMS
PD[1]
SSITXFR
SSIRXFR
VSSCORE
DRIVE[1]
ADCOUT
FB[0]
COL[5]
COL[2]
COL[0]
D[30]
A[27]/DRA[0]
D[26]
VDDIO
D[25]
VSSIO
VSSIO
VSSIO
PD[5]
PD[3]
PD[0]/LEDFLSH
SSITXDA
ADCIN
VDDCORE
DRIVE[0]
DS508F1
EP7312
High-Performance, Low-Power System on Chip
Table 21. 204-Ball TFBGA Ball Listing (Continued)
Strength^†
2
Reset
State
Low
‘
Low
1
with p/u*
1
1
1
Low
Low
Low
Input^‡
2
High /
Low
1
Low
1
High
1
High
1
High
1
Low
2
Low
1
Low
1
Low
1
Low
1
Low
1
Low
1
Low
2
‡
Input
Type
O
Pad power
Pad power
O
Pad ground
Pad ground
Pad ground
I/O
I
I/O
I/O
I/O
Core Ground
I/O
O
I
O
O
O
I/O
O
I/O
Pad power
I/O
Pad ground
Pad ground
Pad ground
I/O
I/O
I/O
O
I
Core power
I/O
Description
System byte address / SDRAM address
Digital I/O power,
3.3 V
Digital I/O power,
3.3 V
System byte address / SDRAM address
I/O ground
I/O ground
I/O ground
GPIO port D / SDRAM byte lane mask
JTAG mode select
GPIO port D
DAI/CODEC/SSI2 frame sync
DAI/CODEC/SSI2 frame sync
Core Ground
PWM drive output
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
©Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
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