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Service Manual
3. Baseband Section
15
TLV320AIC29 provides a 4-wire SPI as the control interface. OMAP-L138 works in slave
mode and TLV320AIC29 works in master mode. Clock polarity and clock phase are
configured as follows: CPOL = 0, CPHA = 1. SPI timing between OMAP-L138 and
TLV320AIC29 is shown in Figure 3-8.
Figure 3-8 SPI Timing between OMAPL-138 and TLV320AIC29
Audio Output
Audio codec has two outputs. One output through power amplification by Audio PA,
generates 0.9 W power to the control head speaker. Another output through filtering and
amplification, feeds to DB26 interface on the rear board for more other functions.
Содержание RDR9000
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