Operating Modes
11-8 ADSP-214xx SHARC Processor Hardware Reference
Operating Modes
The following sections provide information on the various operation
modes used by the PDAP module. The IDP has access to the IDP FIFO in
the three modes listed below. The bit settings that configure these modes
are shown in Table 11-7.
• Core mode (SIP/PDAP)
• DMA mode (SIP/PDAP)
• DMA ping pong mode (SIP/PDAP)
Table 11-7. IDP Operation Modes
IDP_CTL0
Global Control
IDP_CTL1
Channel Control
IDP_PP_CTL
IDP Operation
Modes
IDP_EN IDP_
DMA_EN
IDP_ENx IDP_
DMA_ENx
IDP_PINGx IDP_
PDAP_EN
PDAP_PP
_SELECT
Core SIP7-0 1 0 1 0 0 0 0
Core PDAP DAI 1 0 1 0 0 1 0
Core PDAP EP 1 0 1 0 0 1 1
DMA SIP7-0 1 1 1 1 0 0 0
DMA PDAP DAI 1 1 1 1 0 1 0
DMA PDAP EP 1 1 1 1 0 1 1
DMA Ping Pong
SIP7-0
11 11 1 0 0
DMA Ping Pong
PDAP DAI
11 11 1 1 0
DMA Ping Pong
PDAP EP
11 11 1 1 1
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