SPRSP91A february 2023 – august 2023 AM68 , AM68A
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
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 7-48 and Figure 7-71 present timing requirements for MCASP0 to MCASP11.
Table 7-47 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 7-49 and Figure 7-72 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.