SPRSP92E February 2023 – November 2025 AM69 , AM69A
PRODUCTION DATA
For more details about features and additional description information on the device Multichannel Audio Serial Port, see the corresponding sections within Signal Descriptions and Detailed Description.
Table 6-50 and Figure 6-73 present timing requirements for MCASP0 to MCASP11.
Table 6-49 represents MCASP timing conditions.
| PARAMETER | MIN | MAX | UNIT | |
|---|---|---|---|---|
| INPUT CONDITIONS | ||||
| SRI | Input slew rate | 0.7 | 5 | V/ns |
| OUTPUT CONDITIONS | ||||
| CL | Output load capacitance | 1 | 10 | pF |
| PCB CONNECTIVITY REQUIREMENTS | ||||
| td(Trace Delay) | Propagation delay of each trace | 100 | 1100 | ps |
| td(Trace Mismatch Delay) | Propagation delay mismatch across all traces | 100 | ps | |
| NO. | MODE(1) | MIN | MAX | UNIT | ||
|---|---|---|---|---|---|---|
| ASP1 | tc(AHCLKRX) | Cycle time, MCASP[x]_AHCLKR/X | 15.26 | ns | ||
| ASP2 | tw(AHCLKRX) | Pulse duration, MCASP[x]_AHCLKR/X high or low | 0.5P(2) - 1.53 | ns | ||
| ASP3 | tc(ACLKRX) | Cycle time, MCASP[x]_ACLKR/X | 15.26 | ns | ||
| ASP4 | tw(ACLKRX) | Pulse duration, MCASP[x]_ACLKR/X high or low | 0.5R(3) - 1.53 | ns | ||
| ASP5 | tsu(AFSRX-ACLKRX) | Setup time, MCASP[x]_AFSR/X input valid before MCASP[x]_ACLKR/X | ACLKR/X int | 12.3 | ns | |
| ACLKR/X ext in/out | 4 | |||||
| ASP6 | th(ACLKRX-AFSRX) | Hold time, MCASP[x]_AFSR/X input valid after MCASP[x]_ACLKR/X | ACLKR/X int | –1 | ns | |
| ACLKR/X ext in/out | 1.6 | |||||
| ASP7 | tsu(AXR-ACLKRX) | Setup time, MCASP[x]_AXR input valid before MCASP[x]_ACLKR/X | ACLKR/X int | 12.3 | ns | |
| ACLKR/X ext in/out | 4 | |||||
| ASP8 | th(ACLKRX-AXR) | Hold time, MCASP[x]_AXR input valid after MCASP[x]_ACLKR/X | ACLKR/X int | -1 | ns | |
| ACLKR/X ext in/out | 1.6 | |||||
Table 6-51 and Figure 6-74 present switching characteristics over recommended operating conditions for MCASP0 to MCASP11.
| NO. | PARAMETER | DESCRIPTION | MODE(1) | MIN | MAX | UNIT |
|---|---|---|---|---|---|---|
| ASP9 | tc(AHCLKRX) | Cycle time, MCASP[x]_AHCLKR/X | 20 | ns | ||
| ASP10 | tw(AHCLKRX) | Pulse duration, MCASP[x]_AHCLKR/X high or low | 0.5P(2) - 2 | ns | ||
| ASP11 | tc(ACLKRX) | Cycle time, MCASP[x]_ACLKR/X | 20 | ns | ||
| ASP12 | tw(ACLKRX) | Pulse duration, MCASP[x]_ACLKR/X high or low | 0.5R(3) - 2 | ns | ||
| ASP13 | td(ACLKRX-AFSRX) | Delay time, MCASP[x]_ACLKR/X transmit edge to MCASP[x]_AFSR/X output valid | ACLKR/X int | 0 | 7.25 | ns |
| ACLKR/X ext in/out | –15.28 | 12.84 | ||||
| ASP14 | td(ACLKX-AXR) | Delay time, MCASP[x]_ACLKX transmit edge to MCASP[x]_AXR output valid | ACLKR/X int | 0 | 7.25 | ns |
| ACLKR/X ext in/out | –15.28 | 12.84 | ||||
| ASP15 | tdis(ACLKX-AXR) | Disable time, MCASP[x]_ACLKX transmit edge to MCASP[x]_AXR output high impedance | ACLKR/X int | 0 | 7.25 | ns |
| ACLKR/X ext in/out | –14.9 | 14 |
For more information, see Multichannel Audio Serial Port (MCASP) section in Peripherals chapter in the device TRM.