Switches and Jumpers

Motivation

The carrier board has several dip switches on the back to change the boot mode and to activate or deactivate the power supply for various functions. The settings of the switches are chosen regarding the “TRM-TEBT0808-01” manual.

SW1 - Boot Mode

  1. Adjustments for booting (Boot Mode Settings ->page 7 of TRM-TEBT0808.01):

  2. The default configuration for the UltraZohm is using SD1.

Table 32 Boot Mode

SW1-1

SW1-2

SW1-3

SW1-4

Bootmode Hex

Bootmode

Comment

M0

M1

M2

M3

ON

ON

ON

ON

0x0

PS Main JTAG (TE0790 USB JTAG)

Needed for SPI Flash Programming

ON

OFF

ON

ON

0x2

SPI Flash (dual parallel, 4bit x 2, 32bit Addressing)

Default

0x3

SD0: Supports SD 2.0.

MIO[25:13]

OFF

ON

OFF

ON

0x5

SD1: Supports SD 2.0.

MIO[51:38]

  1. A more detailed description is given in Table 9 of <https://wiki.trenz-electronic.de/display/PD/TE0808+TRM>

SW2 - Power Mode First Part

  1. EN_GT is disabled, because of a Bug in the layout for “EN_GT_L” -> Anyway, this is for FireFly and not necessary so far.

  2. The default configuration for the UltraZohm is highlighted.

Table 33 Power Mode

Power Mode

SW2-1

SW2-2

SW2-3

SW2-4

EN_PSGT

EN_GT_R

EN_GT_L

EN_PLL_PWR

Power Enabled

OFF

OFF

OFF

OFF

Power Disabled

ON

ON

ON

ON

SW3 - Power Mode Second Part

  1. All Switches are changed to “Off” in order to give 3.3V to the Enable Pins and switch on this DC/DC converters on the Trenz module.

  2. The default configuration for the UltraZohm is highlighted.

Table 34 Power Mode

Power Mode

SW3-1

SW3-2

SW3-3

SW3-4

EN_DDR

EN_LPD

EN_PL

EN_FPD

Power Enabled

OFF

OFF

OFF

OFF

Power Disabled

ON

ON

ON

ON

Default adjustments for the UltraZohm

../../_images/switches1.jpg

See also: