EP7309_05 Datasheet, PDF (37/51 Pages) Cirrus Logic – High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface

EP7309
High-Performance, Low-Power System on Chip
Table 20. 204-Ball TFBGA Ball Listing (Continued)
Ball Location
Name
Strength^†
Reset
State
Type
Description
Y11
SMPCLK
1
Low
O
SSI1 ADC sample clock
Y12
FB[1]
I
PWM feedback input
Y13
COL[6]
1
High
O
Keyboard scanner column drive
Y14
COL[3]
1
High
O
Keyboard scanner column drive
Y15
COL[1]
1
High
O
Keyboard scanner column drive
Y16
D[31]
1
Low
I/O
Data I/O
Y17
D[28]
1
Low
I/O
Data I/O
Y18
D[27]
1
Low
I/O
Data I/O
Y19
A[25]/DRA[2]
2
Low
O
System byte address / SDRAM address
Y20
VDDIO
Pad power
Digital I/O power, 3.3V
*“With _{p/u” means with internal pull-up of 100 KOhms on the pin.}
† _{Strength 1 = 4 ma}
Strength 2 = 12 ma
‡_{Input. Port A,B,D,E GPIOs default to input at nPOR and URESET conditions.}
DS507F1
©Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
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