Hardware Description; Jumpers; Integrated Circuits (Ics); Led - Analog Devices EVAL-ADAU1777Z User Manual

UG-1055

HARDWARE DESCRIPTION

JUMPERS

Table 1. Connector and Jack Descriptions
Reference Functional Name
J1 Control port
J2 5 V dc input
J3 Power select
J4 Serial audio
J5 Battery 1.5 V
J6, J7 Digital microphone inputs
J8 IOVDD 1777_IOVDD
J9 MP pin jumpers
J10 IOVDD_VDD
J11, J14 Microphone bias
J12 DVDD regulator (REG)
J13 Out R
J15 Power down
J16 Out L
J17 VDD AVDD

INTEGRATED CIRCUITS (ICs)

Table 2. IC Descriptions
Reference Functional Name
U1 ADAU1777 SigmaDSP
U2 M24C32-F serial EEPROM
U3 ADP1712 low dropout voltage regulator
U4 ADP1607 boost regulator

LED

Table 3. LED Description
Reference Functional Name
D1 VDD power LED
Description
Header that facilitates communication between the evaluation board and USBi board.
Barrel jack that provides external power to the board. It accepts 3.8 V dc to 6 V dc input.
Jumper used to select power source for the evaluation board. Selectable between USB/external
and battery.
Input and output header for serial audio signals in I
Jumper used to power the board via a 1.5 V battery.
Headers that allow digital microphones to be connected to the evaluation board.
Jumper connects power to the IOVDD supply of the
Jumpers used to connect push-buttons on the board to MP pins on the ADAU1777.
Jumper connects IOVDD on the
Jumpers used to add a microphone bias to the analog microphone inputs, AIN0 and AIN1.
Jumper connects DVDD on the
Jumper provides access to the mono differential output right.
Jumper used to power down the
Jumper provides access to the mono differential output left.
Jumper connects AVDD on the
Description
Digital audio signal processor
Self-boot memory
Linear regulator that generates 1.5 V from an off-board power supply
Boost regulator that generates 1.8 V or 3.3 V for the board supply from a 1.5 V input
Description
LED that illuminates when the evaluation board is powered up
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EVAL-ADAU1777Z User Guide
2 S, left justified, right justified, or TDM format.
ADAU1777
ADAU1777 to VDD (3.3 V board supply) on the evaluation board.
ADAU1777 to its internal regulator.
ADAU1777 analog and digital circuits.
ADAU1777 to VDD (3.3 V board supply) on the evaluation board.
from the power supply section.