Analog Devices EVAL-ADAU1777Z, User Manual

Page: 16 / 26

EVAL-ADAU1777Z User Guide UG-1055
Rev. 0 | Page 15 of 25
Before writing to the E2PROM, ensure that it has been erased
by clearing it from
SigmaStudio . To erase the E2PROM, right-
click E2Prom , open the Read/Write window, and click Clear
E2Pro to clear the memory (see Figure 47).
150
54-
04
7
Figure 47. Clear E2pro
To Link-Compile-Download the project (see Figure 28), right-
click ADAU1777 and click Write Latest Compilation to
E2PROM (see Figure 48).
15
054
-048
Figure 48. Write to E2PROM
When the project has been written to the E2PROM, move the
self-boot switch, S2, to the on position (see Figure 49) to ensure
that the
ADAU1777 boots from the E2PROM when it powers up.
1
505
4-
049
Figure 49. Self-Boot Switch On
POWER-DOWN
The power-down header, J15 (PD) on the silkscreen of the board
provides access to the power-down pin on the
ADAU1777 .
Place a jumper on the header to power down all analog and
digital circuits. Before enabling PD, be sure to mute the outputs
to avoid any pops or clicks when the IC is powered down.