ZHCSKS2E april 2020 – june 2023 DRA821U , DRA821U-Q1
PRODUCTION DATA
Table 7-66 and Table 7-67 present timing requirements and switching characteristics for MMCSDi – Default Speed Mode (see Figure 7-91 and Figure 7-92)
| NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
|---|---|---|---|---|---|
| DS1 | tsu(cmdV-clkH) | Setup time, MMC[x]_CMD valid before MMC[x]_CLK rising edge | 2.15 | ns | |
| DS2 | th(clkH-cmdV) | Hold time, MMC[x]_CMD valid after MMC[x]_CLK rising edge | 4.56 | ns | |
| DS3 | tsu(dV-clkH) | Setup time, MMC[x]_DAT[3:0] valid before MMC[x]_CLK rising edge | 2.15 | ns | |
| DS4 | th(clkH-dV) | Hold time, MMC[x]_DAT[3:0] valid after MMC[x]_CLK rising edge | 4.56 | ns |
Figure 7-91 MMCSD1 –
Default Speed – Receive Mode| NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
|---|---|---|---|---|---|
| fop(clk) | Operating frequency, MMC[x]_CLK | 25 | MHz | ||
| DS5 | tc(clk) | Cycle time, MMC[x]_CLK | 40 | ns | |
| DS6 | tw(clkH) | Pulse duration, MMC[x]_CLK high | 18.7 | ns | |
| DS7 | tw(clkL) | Pulse duration, MMC[x]_CLK low | 18.7 | ns | |
| DS8 | td(clkL-cmdV) | Delay time, MMC[x]_CLK falling edge to MMC[x]_CMD transition | –3.53 | 3.53 | ns |
| DS9 | td(clkL-dV) | Delay time, MMC[x]_CLK falling edge to MMC[x]_DAT[3:0] transition | –3.53 | 3.53 | ns |
Figure 7-92 MMCSD1 – Default Speed –
Transmit Mode