A-V EZ-Extender Interfaces
sample rate but allows simultaneous use of all input and output channels.
To operate in I 2 S mode, the JP7.1/2 jumper must be installed. For more
information, see “I2S Enable Jumper (JP7.1/2)” on page 2-13 .
The internal registers of the AD1836A audio codec can be programmed
via the SPI port of the processor. (For information on how to program the
configuration registers, refer to the AD1836A datasheet.) The AD1836A
codec reset comes either from a flag pin located at PPI1_D11 of the expan-
sion interface or from the EZ-KIT Lite reset signal. For information on
how to configure the reset, see “AV_RESET Source Jumper (JP9.1/3/5)”
on page 2-14 .
Before using the interface, follow the steps in “A-V EZ-Extender Setup”
on page 1-1 .
Example programs demonstrating the capabilities of the audio interface
are included in the A-V EZ-Extender installation directory.
For more information about AD1836A, go to http://www.analog.com
and search for AD1836A .
Analog Video Interface
The Blackfin A-V EZ-Extender supports video input and output applica-
tions with an on-board video encoder and decoder. The ADV7179 video
encoder provides up to three output channels of analog video, while the
ADV7183B video decoder provides up to three input channels of analog
video. Both the encoder and the decoder connect to the PPI0 of the expan-
sion interface, while the encoder also can connect to the PPI1 (if the
processor has two PPI ports). For a general overview of the analog video
interface connectors, see Figure 2-1 on page 2-3 . For more detailed infor-
mation, see “A-V EZ-Extender Schematic” on page B-1 .
Blackfin A-V EZ-Extender Manual
1-3
相关PDF资料
ADZS-BFSHUSB-EZEXT BOARD DAUGHTER EZ EXTENDER
ADZS-BRKOUT-EX3 ADZS-BRKOUT-EX3
ADZS-SHAUDIO-EZEXT SHARC AUDIO EZ-EXTENDER
ADZS-WVGALCD-EX3 BOARD EXTENDER WVGA/LCD EI3
AGA-3 FUSE 3A 125VAC 1AG FAST
AGP-15/IDC-R CONN HOOD IDC D-SUB 15POS
AGRF1000-2 POLYSWITCH PTC RESET 10A HLD T/R
AGRF1100-2 POLYSWITCH PTC RESET 11A HLD T/R
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