Programming The Src Module; Src Control Register Programming; Sru Programming - Analog Devices SHARC ADSP-21368 Hardware Reference Manual

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Programming the SRC Module

Use the following guidelines when developing programs that include the

Initially, programs configure the SRC control registers

and SRC1 modules and the

the SRC2 and SRC3 modules. The control parameters include mute

information, data formats for input and output ports, de-emphasis enable,

dither enable, and matched-phase mode enable for multiple SRCs. Write

the settings to the desired control register at least one cycle before setting

the corresponding SRC module enable bit,

The SRU (signal routing unit) needs to be programmed in order to con-

nect the SRCs to the output pins or any other peripherals.

For normal operation, the data, clock, and frame sync signals need to be

routed as shown in

Table 10-4. SRC Signal Routing

SRCx_DAT_IP_I

SRCx_CLK_IP_I

SRCx_FS_IP_I

SRCx_DAT_OP_I

SRCx_CLK_OP_I

SRCx_FS_OP_O

SRC module data input

SRC module clock input

SRC module frame sync input

SRC module data output

SRC module clock output

SRC module frame sync output

ADSP-21368 SHARC Processor Hardware Reference

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