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| DRA722_17 Datasheet, PDF (270/408 Pages) Texas Instruments – Infotainment Applications Processor | |||
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DRA722, DRA724, DRA725, DRA726
SPRS956B â MARCH 2016 â REVISED JANUARY 2017
No. CASE
2 COIFIO
3 CIOFIO
4 CIOFOI
5 CO-FO-
6 CI-FO-
7 CI-FI-
8 CO-FI-
Table 7-52. Virtual Mode Case Details for McASP1 (continued)
CASE Description
Virtual Mode Settings
Signals
Virtual Mode Value
CLKX / FSR: Output
CLKR / FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
Default (No Virtual Mode)
MCASP1_VIRTUAL2_ASYNC_RX
CLKR / FSR: Output
CLKX / FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
MCASP1_VIRTUAL2_ASYNC_RX
Default (No Virtual Mode)
CLKR / FSX: Output
CLKX / FSR: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
MCASP1_VIRTUAL2_ASYNC_RX
Default (No Virtual Mode)
IP Mode : SYNC (CLKR / FSR internally generated from CLKX / FSX)
CLKX / FSX: Output
AXR(Outputs)/CLKX/FSX
Default (No Virtual Mode)
AXR(Inputs)/CLKX/FSX
Default (No Virtual Mode)
FSX: Output CLKX:
Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
MCASP1_VIRTUAL1_SYNC_RX
MCASP1_VIRTUAL1_SYNC_RX
CLKX / FSX: Input
AXR(Outputs)/CLKX/FSX
MCASP1_VIRTUAL1_SYNC_RX
AXR(Inputs)/CLKX/FSX
MCASP1_VIRTUAL1_SYNC_RX
CLKX: Output FSX:
Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
Default (No Virtual Mode)
Default (No Virtual Mode)
www.ti.com
Notes
See Figure 7-44
See Figure 7-45
See Figure 7-46
See Figure 7-47
See Figure 7-48
See Figure 7-49
See Figure 7-50
Table 7-53. Virtual Mode Case Details for McASP2
No. CASE
CASE
Description
Signals
Virtual Mode Settings
Virtual Mode Value
Notes
1
COIFOI
CLKX / FSX:
Output CLKR /
FSR: Input
IP Mode : ASYNC
AXR(Outputs)/CLKX/FSX
Default (No Virtual Mode)(1)
AXR(Inputs)/CLKR/FSR
Default (No Virtual Mode)(1)
AXR(Inputs)/CLKR/FSR
MCASP2_VIRTUAL4_ASYNC_RX_80M (2)
See Figure 7-43
2
COIFIO
CLKX / FSR:
Output CLKR /
FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
Default (No Virtual Mode)
MCASP2_VIRTUAL2_ASYNC_RX
See Figure 7-44
3
CIOFIO
CLKR / FSR:
Output CLKX /
FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
MCASP2_VIRTUAL2_ASYNC_RX
Default (No Virtual Mode)
See Figure 7-45
4
CIOFOI
CLKR / FSX:
Output CLKX /
FSR: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKR/FSR
MCASP2_VIRTUAL2_ASYNC_RX
Default (No Virtual Mode)
See Figure 7-46
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)
See Figure 7-47
6
CI-FO-
7
CI-FI-
FSX: Output
CLKX: Input
CLKX / FSX:
Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
MCASP2_VIRTUAL3_SYNC_RX
MCASP2_VIRTUAL3_SYNC_RX
MCASP2_VIRTUAL3_SYNC_RX(1)
MCASP2_VIRTUAL3_SYNC_RX(1)
MCASP2_VIRTUAL1_SYNC_RX_80M(2)
See Figure 7-48
See Figure 7-49
8
CO-FI-
CLKX: Output
FSX: Input
AXR(Outputs)/CLKX/FSX
AXR(Inputs)/CLKX/FSX
Default (No Virtual Mode)
Default (No Virtual Mode)
See Figure 7-50
(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.
270 Timing Requirements and Switching Characteristics
Copyright © 2016â2017, Texas Instruments Incorporated
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Product Folder Links: DRA722 DRA724 DRA725 DRA726
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