OMAP3530_08 Datasheet, PDF (115/264 Pages) Texas Instruments – Applications Processor

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2.4.8 System and Miscellaneous Terminals
OMAP3530/25 Applications Processor
SPRS507B – FEBRUARY 2008 – REVISED JULY 2008
Table 2-28. System and Miscellaneous Signals Description
SIGNAL
NAME
DESCRIPTION
TYPE⁽ BALL
BALL TOP
BALL
BALL TOP
BALL
1)
BOTTOM (CBB Pkg.) BOTTOM (CBC Pkg.) BOTTOM
(CBB Pkg.)
(CBC Pkg.)
(CUS Pkg.)
sys_32k
32-kHz clock input
I
AE25
NA
AE20
-
AA16
sys_xtalin
Main input clock. Oscillator input or
LVCMOS at 19.2, 13, or 12 MHz.
I
AE17
NA
AF19
-
AD15
sys_xtalout Output of oscillator
O
AF17
NA
AF20
-
AD14
sys_altclk
Alternate clock source selectable for
I
J25
NA
J23
-
A24
GPTIMERs (maximum 54 MHz), USB (48
MHz), or NTSC/PAL (54 MHz)
sys_clkreq Request from OMAP3530/25 device for
IO
AF25
NA
W15
-
Y13
system clock (open source type)
sys_clkout1 Configurable output clock1
O
AG25
NA
AE14
-
Y7
sys_clkout2 Configurable output clock2
O
AE22
NA
W11
-
AA6
sys_boot0 Boot configuration mode bit 0
I
AH26
NA
F3
-
AB12
sys_boot1 Boot configuration mode bit 1
I
AG26
NA
D3
-
AC16
sys_boot2 Boot configuration mode bit 2
I
AE14
NA
C3
-
AD17
sys_boot3 Boot configuration mode bit 3
I
AF18
NA
E3
-
AD18
sys_boot4 Boot configuration mode bit 4
I
AF19
NA
E4
-
AC17
sys_boot5 Boot configuration mode bit 5
I
AE21
NA
G3
-
AB16
sys_boot6 Boot configuration mode bit 6
I
AF21
NA
D4
-
AA15
sys_nrespwro Power On Reset
n
I
AH25
NA
V13
-
AA10
sys_nreswar Warm Boot Reset (open drain output)
IOD
AF24
NA
AD7
-
Y10
m
sys_nirq
External FIQ input
I
AF26
NA
V16
-
W16
sys_nvmode1 Indicates the voltage mode
O
AD26
NA
AD15
-
Y16
sys_nvmode2 Indicates the voltage mode
O
AE26
NA
W16
-
Y15
sys_off_mode Indicates the voltage mode
O
AF22
NA
V12
-
AD23
sys_ndmareq External DMA request 0 (system
I
U8
NA
B6
-
D2
0
expansion). Level (active low) or edge
(falling) selectable.
sys_ndmareq External DMA request 1 (system
1
expansion). Level (active low) or edge
(falling) selectable.
I
T8 / J8
NA
B4 / C6
-
F4 / C2
sys_ndmareq External DMA request 2 (system
2
expansion). Level (active low) or edge
(falling) selectable.
I
L3 / R8
NA
D1 / C4
-
H2 / G5
sys_ndmareq External DMA request 3 (system
3
expansion). Level (active low) or edge
(falling) selectable.
I
K3 / P8
NA
D2 / B5
-
G2 / F3
sys_secure_ MSECURE transactions indicator
indicator
O
AG9
NA
V2
-
AD5
sys_drm_
msecure
MSECURE output
O
AF9
NA
AA4
-
AC4
sys_ipmcsws Reserved
AI
B1
NA
B1
-
A1
sys_opmcsws Reserved
AO
A1
NA
A2
-
A2
pop_int0_ft POP dedicated control signal
O
AG11
AB9
AF10
Y9
NA
pop_int1_ft POP dedicated control signal
O
AH11
AC9
AE2
W2
NA
pop_tq_temp POP dedicated control signal
_ sense_ft
NA
AH16
AC14
AF14
AA12
NA
(1) Type = Ball type for this specific function (I = Input, O = Output, Z = high-impedance, D = Open Drain, DS = Differential, A = Analog)
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TERMINAL DESCRIPTION 115