ZHCSKS2E april 2020 – june 2023 DRA821U , DRA821U-Q1
PRODUCTION DATA
Table 7-58 and Table 7-59 present Timing requirements and Switching characteristics for MMCSD0 – High Speed SDR Mode (see Figure 7-85 andFigure 7-86 ).
NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
---|---|---|---|---|---|
HSSDR1 | tsu(cmdV-clkH) | Setup time, MMC0_CMD valid before MMC0_CLK rising edge | 2.99 | ns | |
HSSDR2 | th(clkH-cmdV) | Hold time, MMC0_CMD valid after MMC0_CLK rising edge | 2.67 | ns | |
HSSDR3 | tsu(dV-clkH) | Setup time, MMC0_DAT[7:0] valid before MMC0_CLK rising edge | 2.99 | ns | |
HSSDR4 | th(clkH-dV) | Hold time, MMC0_DAT[7:0] valid after MMC0_CLK rising edge | 2.67 | ns |
NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
---|---|---|---|---|---|
fop(clk) | Operating frequency, MMC0_CLK | 50 | MHz | ||
HSSDR5 | tc(clk) | Cycle time, MMC0_CLK | 20 | ns | |
HSSDR6 | tw(clkH) | Pulse duration, MMC0_CLK high | 9.2 | ns | |
HSSDR7 | tw(clkL) | Pulse duration, MMC0_CLK low | 9.2 | ns | |
HSSDR8 | td(clkL-cmdV) | Delay time, MMC0_CLK falling edge to MMC0_CMD transition | –3.2 | 3.8 | ns |
HSSDR9 | td(clkL-dV) | Delay time, MMC0_CLK falling edge to MMC0_DAT[7:0] transition | –3.2 | 3.8 | ns |