DRA790 Datasheet, PDF (241/436 Pages) Texas Instruments – Infotainment Applications Processor

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DRA790, DRA791
DRA793, DRA797
SPRS968A – AUGUST 2016 – REVISED FEBRUARY 2017
(1) Used up to 50MHz. Should also be used in a CI-FI- mixed case where AXR operate as both inputs and outputs (that is, AXR are
bidirectional).
(2) Used in 80MHz input only mode when AXR, CLKX and FSX are all inputs.
Table 5-75. Virtual Mode Case Details for McASP3
No.
CASE
CASE
Description
Virtual Mode Settings
Signals
Virtual Mode Value
IP Mode : ASYNC
1
COIFOI
CLKX /
AXR(Outputs)/CLKX/FSX
Default (No Virtual Mode)
FSX: Output
CLKR /
AXR(Inputs)/CLKR/FSR
MCASP3_VIRTUAL2_SYNC_RX
FSR: Input
2
COIFIO
CLKX /
AXR(Outputs)/CLKX/FSX
Default (No Virtual Mode)
FSR: Output
CLKR /
AXR(Inputs)/CLKR/FSR
MCASP3_VIRTUAL2_SYNC_RX
FSX: Input
3
CIOFIO
CLKR /
AXR(Outputs)/CLKX/FSX
MCASP3_VIRTUAL2_SYNC_RX
FSR: Output
CLKX /
AXR(Inputs)/CLKR/FSR
MCASP3_VIRTUAL2_SYNC_RX
FSX: Input
4
CIOFOI
CLKR /
AXR(Outputs)/CLKX/FSX
MCASP3_VIRTUAL2_SYNC_RX
FSX: Output
CLKX /
AXR(Inputs)/CLKR/FSR
MCASP3_VIRTUAL2_SYNC_RX
FSR: Input
IP Mode : SYNC (CLKR / FSR internally generated from CLKX / FSX)
5
CO-FO-
CLKX /
AXR(Outputs)/CLKX/FSX
FSX: Output
AXR(Inputs)/CLKX/FSX
Default (No Virtual Mode)
Default (No Virtual Mode)
6
CI-FO- FSX: Output
AXR(Outputs)/CLKX/FSX
MCASP3_VIRTUAL2_SYNC_RX
CLKX: Input
AXR(Inputs)/CLKX/FSX
MCASP3_VIRTUAL2_SYNC_RX
7
CI-FI-
CLKX /
AXR(Outputs)/CLKX/FSX
MCASP3_VIRTUAL2_SYNC_RX
FSX: Input
AXR(Inputs)/CLKX/FSX
MCASP3_VIRTUAL2_SYNC_RX
8
CO-FI-
CLKX:
AXR(Outputs)/CLKX/FSX
Output FSX:
Input
AXR(Inputs)/CLKX/FSX
Default (No Virtual Mode)
Default (No Virtual Mode)
Notes
See Figure 5-55
See Figure 5-56
See Figure 5-57
See Figure 5-58
See Figure 5-59
See Figure 5-60
See Figure 5-61
See Figure 5-62
Table 5-76. Virtual Mode Case Details for McASP4
No.
CASE
CASE
Description
Virtual Mode Settings
Signals
Virtual Mode Value
IP Mode : ASYNC
1
COIFOI CLKX / FSX:
Output CLKR /
FSR: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
Default (No Virtual Mode)
MCASP4_VIRTUAL1_SYNC_RX
2
COIFIO CLKX / FSR:
Output CLKR /
FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
Default (No Virtual Mode)
MCASP4_VIRTUAL1_SYNC_RX
3
CIOFIO CLKR / FSR:
Output CLKX /
FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
MCASP4_VIRTUAL1_SYNC_RX
MCASP4_VIRTUAL1_SYNC_RX
4
CIOFOI CLKR / FSX:
Output CLKX /
FSR: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
MCASP4_VIRTUAL1_SYNC_RX
MCASP4_VIRTUAL1_SYNC_RX
IP Mode : SYNC (CLKR / FSR internally generated from CLKX / FSX)
5
CO-FO- CLKX / FSX:
Output
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
Default (No Virtual Mode)
Default (No Virtual Mode)
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Notes
See Figure 5-55
See Figure 5-56
See Figure 5-57
See Figure 5-58
See Figure 5-59
Specifications 241