OMAP-L137
SPRS563G – SEPTEMBER 2008 – REVISED JUNE 2014
www.ti.com
3.7.10
Boot
Table 3-14. Boot Mode Selection Terminal Functions
(1)
PIN NO
SIGNAL NAME
TYPE
(2)
PULL
(3)
MUXED
DESCRIPTION
ZKB
EMA_CS[2]/UHPI_HCS/GP2[5]/
BOOT[15]
P7
I
IPU
EMIFA, UHPI, GPIO
EMIFA, UHPI,
EMA_WE/UHPI_HRW/AXR0[12]/GP2[3]/
BOOT[14]
M13
I
IPU
McASP0, GPIO
EMA_D[7]/MMCSD_DAT[7]/UHPI_HD[7]/GP0[7]/
BOOT[13]
M15
I
IPU
EMIFA, MMC/SD,
UHPI, GPIO
EMA_D[0]/MMCSD_DAT[0]/UHPI_HD[0]/GP0[0]/
BOOT[12]
T13
I
IPU
McASP0, EMAC,
AHCLKR0/RMII_MHZ_50_CLK/GP2[14]/
BOOT[11]
A4
I
IPD
GPIO
AFSX0/GP2[13]/
BOOT[10]
D5
I
IPD
McASP0, GPIO
UART0, I2C0, Timer0,
UART0_TXD/I2C0_SCL/TM64P0_OUT12/GP5[9]/
BOOT[9]
P3
I
IPU
GPIO
UART0, I2C0, Timer0, Boot Mode
UART0_RXD/I2C0_SDA/TM64P0_IN12/GP5[8]/
BOOT[8]
R3
I
IPU
GPIO
Selection Pins
SPI1_CLK/EQEP1S/GP5[7]/
BOOT[7]
T6
I
IPD
SPI1, eQEP1, GPIO
SPI1_SIMO[0]/I2C1_SDA/GP5[6]/
BOOT[6]
N5
I
IPU
SPI1, I2C1, GPIO
SPI1_SOMI[0]/I2C1_SCL/GP5[5]/
BOOT[5]
P5
I
IPU
SPI0, UART0,
SPI0_SCS[0]/UART0_RTS/EQEP0B/GP5[4]/
BOOT[4]
N4
I
IPU
eQEP0, GPIO
SPI0, UART0,
SPI0_ENA/UART0_CTS/EQEP0A/GP5[3]/
BOOT[3]
R5
I
IPU
eQEP0, GPIO
SPI0_CLK/EQEP1I/GP5[2]/
BOOT[2]
T5
I
IPD
SPI0, eQEP1, GPIO
SPI0_SIMO[0]/EQEP0S/GP5[1]/
BOOT[1]
P6
I
IPD
SPI0, eQEP0, GPIO
SPI0_SOMI[0]/EQEP0I/GP5[0]/
BOOT[0]
R6
I
IPD
(1)
Boot decoding will be defined in the ROM datasheet.
(2)
I = Input, O = Output, I/O = Bidirectional, Z = High impedance, PWR = Supply voltage, GND = Ground, A = Analog signal.
Note:
The pin type shown refers to the input, output or high-impedance state of the pin function when configured as the the signal name
highlighted in bold. All multiplexed signals may enter a high-impedance state when the configured function is input-only or the configured
function supports high-Z operation. All GPIO signals can be used as input or output. For multiplexed pins where functions have different
types (ie., input versus output), the table reflects the pin function direction for that particular peripheral.
(3)
IPD = Internal Pulldown resistor, IPU = Internal Pullup resistor
36
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