Input/Output - Texas Instruments OMAP5912 Reference Manual

Reset Architecture
1.3

Input/Output

Table 6. Input/Output for Clock and Reset
Pin Name Dir.
RESET_ In
MODE
PWRON_ IN
RESET
RTC_ON_ IN
NOFF
MPU_RST IN
RST_OUT OUT AA20
OSC32K_IN IN
OSC32K_OUT OUT AA13 32-kHz
CLK32K_IN IN
OSC1_IN IN
OSC1_OUT OUT
24 Initialization
Table 6 lists all I/Os that are related to the clock and reset module.
Ball Descrip- Default Mode in
tion RESET_MODE 0
P12 Reset_
mode
R12 Power-up
reset
Y12 Power-up
reset
U20 Warm reset
V13 32-kHz
oscillator
oscillator
P13 32-kHz
clock In
Y2 12-MHz
oscillator
W3 12-MHz
oscillator
Default Mode in
RESET_MODE 1
Yes Yes
Yes Yes
Yes No
Yes No
Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Notes
Sampled at
power-up reset.
Is battery asserted
only once when
RTC split power
backup is used.
See the
Multimedia
Processor Power
Management
Reference Guide
(SPRU753).
Bit 7 of RTC_
CTRL_REG must
be set to 1.
If external 32-kHz
clock is used, must
be tied high.
If external 32-kHz
clock is used, must
be tied low.
Must be tied low if
on-chip 32-kHz
oscillator is used.
If external
SYS_CLK_IN is
used, must be tied
low.
SPRU752B