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CN052

CN051

+3.3 V

+5 V

3.3 V REG

HDR501

Description

1.1

Block Diagram

TORX141 OPT IN

CN003

CN001 COAX IN

SW003

DIR9001

TP

Status Indicator x5

CLKST BFRAME UOUT COUT

SW002 Function Control

SW004 CLOCK Control

X001 24.576 MHz XTAL

CN004

SCKO BCKO LRCKO DOUT

CN005

SW001 RESET

SCKO BCKO LRCKO DOUT

Figure 1. DEM-DIR9001 Block Diagram

    • 1.2

      Operation and Setting

      • 1.2.1

        Power Supply

+5 V Power supply Connect the +5 V power supply at CN051 with the 5V jumper connection at the HDR051 connector. For all internal operations, the +3.3 V power supply is generated by the mounted REG-IC. External +3.3 V is not required.

+3.3 V Power supply Connect +3.3 V power supply at CN052 with 3.3 V jumper connection at the HDR051 connector. All +3.3 V power supply is provided from CN052.

1.2.2

Reset SW001 is a reset switch for the DIR9001. External automatic power on the reset circuit is combined.

      • 1.2.3

        SPDIF Input and Selection

        • Connect the Toslink optical fiber cable connector at U001.

        • Connect the RCA Coaxial cable connector at CN001.

        • Optical input or Coaxial input must be selected by SW003 as OPT or COAX.

2

DIR9001 Evaluation Board

SLAU225–July 2007 Submit Documentation Feedback

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