ep7309 Cirrus Logic, Inc., ep7309 Datasheet - Page 42

• Manufacturer Part Number: ep7309
• Description: Ep7309 Data Sheet
• Manufacturer: Cirrus Logic, Inc.

EP7309
High-Performance, Low-Power System on Chip
42
Ball Location
P10
P11
P12
P13
P14
P15
P16
R10
R11
R12
R13
R14
R15
R16
T10
T11
T12
T13
T14
T15
T16
P6
P7
P8
P9
R1
R2
R3
R4
R5
R6
R7
R8
R9
T1
T2
T3
T4
T5
T6
T7
T8
T9
Table 21. 256-Ball PBGA Ball Listing (Continued)
VDDCORE
SSITXDA
ADCOUT
SSIRXFR
nADCCS
VDDRTC
DRIVE[0]
SSICLK
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
COL[7]
COL[3]
COL[1]
VDDIO
COL[5]
VDDIO
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
VSSIO
RTCIN
VSSIO
Name
D[24]
PD[4]
PD[1]
D[30]
PD[7]
PD[6]
PD[3]
FB[1]
D[28]
D[25]
A[27]
A[25]
A[24]
A[26]
BUZ
Pad ground I/O ground
Pad ground I/O ground
Pad ground I/O ground
Pad ground I/O ground
Pad ground I/O ground
Pad ground I/O ground
Core power Core power, 2.5V
Pad ground I/O ground
RTC power Real time clock power, 2.5V
Pad power
Pad power
Pad power
Pad power
Pad power
Pad power
Pad power
Pad power
Type
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
–
I
Digital I/O power, 3.3V
Digital I/O power, 3.3V
Digital I/O power
Data I/O
Digital I/O power, 3.3V
Real time clock oscillator input
Digital I/O power, 3.3V
GPIO port D
GPIO port D
DAI/CODEC/SSI2 serial data output
SSI1 ADC chip select
Digital I/O power, 3.3V
SSI1 ADC serial data output
Keyboard scanner column drive
Keyboard scanner column drive
Keyboard scanner column drive
Data I/O
System byte address
System byte address
Digital I/O power, 3.3V
System byte address
GPIO port D
GPIO port D
GPIO port D
DAI/CODEC/SSI2 serial clock
DAI/CODEC/SSI2 frame sync
PWM drive output
PWM feedback input
Keyboard scanner column drive
Digital I/O power, 3.3V
Buzzer drive output
Data I/O
System byte address
Data I/O
Description
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Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
DS507F1