Texas Instruments AM335 Series Technical Reference Manual

Functional Description www.ti.com
Table 26-7. SYSBOOT Configuration Pins[4]
SYSBOOT[15:14 SYSBOOT[13:12 SYSBOOT[11:10 SYSBOOT[9] SYSBOOT[8] SYSBOOT[7:6] SYSBOOT[5] SYSBOOT[4:0] Boot Sequence
] ] ]
For all boot For all boot For XIP boot: For EMAC For all boot
For XIP boot: For NAND and
modes: Crystal modes: Set to Bus width boot: PHY modes:
NANDI2C
Muxed or non-
Frequency 00b for normal mode CLKOUT1
boot: NAND
muxed device
operation output
ECC
For NAND boot:
enabled/disable
For Fast
d on
must be 00b
External Boot:
XDMA_EVENT
must be 0b
_INTR0
CONTROL_ CONTROL_ CONTROL_ CONTROL_ CONTROL_ CONTROL_ CONTROL_ CONTROL_
STATUS[23:22] STATUS[21:20] STATUS[19:18] STATUS[17] STATUS[16] STATUS[7:6] STATUS[5] STATUS[4:0]
1st 2nd 3rd 4th
00000b Reserved
00b Don't care for Don't care for 00001b UART0 XIP w/ MMC0 SPI0
00b = 19.2MHz For XIP boot: 0 = 8-bit device 0 = CLKOUT1
(all other values ROM code[3] ROM code WAIT[1]
disabled
01b = 24MHz 00b = non-muxed 1 = 16-bit
reserved) (MUX2)[2
device device 1 = CLKOUT1
10b = 25MHz
]
enabled
10b = muxed
11b = 26MHz
device
x1b = reserved
00b For NAND boot: Don't care for Don't care for 00010b UART0 SPI0 NAND NANDI2C
00b = 19.2MHz 0 = ECC done 0 = CLKOUT1
(all other values must be 00b ROM code ROM code
by ROM disabled
01b = 24MHz
reserved)
1 = ECC 1 = CLKOUT1
10b = 25MHz
handled by enabled
11b = 26MHz
NAND
00b Don't care for Don't care for 00011b UART0 SPI0 XIP MMC0
00b = 19.2MHz For XIP boot: 0 = 8-bit device 0 = CLKOUT1
(all other values ROM code ROM code (MUX2)[2
disabled
01b = 24MHz 00b = non-muxed 1 = 16-bit
reserved) ]
device device 1 = CLKOUT1
10b = 25MHz
enabled
10b = muxed
11b = 26MHz
device
x1b = reserved
00b Don't care for 00100b UART0 XIP w/ MMC0 NAND
00b = 19.2MHz For XIP boot: 0 = ECC done 0 = 8-bit device 0 = CLKOUT1
(all other values ROM code WAIT[1]
by ROM disabled
01b = 24MHz 00b = non-muxed 1 = 16-bit
reserved) (MUX1)
device 1 = ECC device 1 = CLKOUT1
10b = 25MHz
handled by enabled
10b = muxed
11b = 26MHz
NAND
device
x1b = reserved
For NAND boot:
must be 00b
4106
Initialization SPRUH73H–October 2011–Revised April 2013
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Texas Instruments AM335 Series Specifications

General

Brand	Texas Instruments
Model	AM335 Series
Category	Computer Hardware
Language	English