JAJSU80 March 2024
ADVANCE INFORMATION
Table 6-115 defines DLL delays required for OSPI0 PHY SDR Mode. Table 6-121, Figure 6-99, Figure 6-100, Table 6-122, and Figure 6-101 present timing requirements and switching characteristics for OSPI0 PHY SDR Mode.
MODE | OSPI_PHY_CONFIGURATION_REG BIT FIELD | DELAY VALUE |
---|---|---|
Transmit | ||
All modes | PHY_CONFIG_TX_DLL_DELAY_FLD, | 0x0 |
Receive | ||
All modes | PHY_CONFIG_RX_DLL_DELAY_FLD | 0x0 |
NO. | MODE | MIN | MAX | UNIT | ||
---|---|---|---|---|---|---|
O19 | tsu(D-CLK) | Setup time, OSPI0_D[7:0] valid before active OSPI0_CLK edge | 1.8V, SDR with Internal PHY Loopback | 4.8 | ns | |
3.3V, SDR with Internal PHY Loopback | 5.19 | ns | ||||
O20 | th(CLK-D) | Hold time, OSPI0_D[7:0] valid after active OSPI0_CLK edge | 1.8V, SDR with Internal PHY Loopback | -0.5 | ns | |
3.3V, SDR with Internal PHY Loopback | -0.5 | ns | ||||
O21 | tsu(D-LBCLK) | Setup time, OSPI0_D[7:0] valid before active OSPI0_DQS edge | 1.8V, SDR with External Board Loopback | 0.6 | ns | |
3.3V, SDR with External Board Loopback | 0.9 | ns | ||||
O22 | th(LBCLK-D) | Hold time, OSPI0_D[7:0] valid after active OSPI0_DQS edge | 1.8V, SDR with External Board Loopback | 1.7 | ns | |
3.3V, SDR with External Board Loopback | 2.0 | ns |
NO. | PARAMETER | MODE | MIN | MAX | UNIT | |
---|---|---|---|---|---|---|
O7 | tc(CLK) | Cycle time, OSPI0_CLK | 1.8V | 7 | ns | |
3.3V | 6.03 | ns | ||||
O8 | tw(CLKL) | Pulse duration, OSPI0_CLK low | ((0.475P(1)) - 0.3) | ns | ||
O9 | tw(CLKH) | Pulse duration, OSPI0_CLK high | ((0.475P(1)) - 0.3) | ns | ||
O10 | td(CSn-CLK) | Delay time, OSPI0_CSn[3:0] active edge to OSPI0_CLK rising edge | ((0.475P(1)) + (0.975M(2)R(4)) - 1) | ((0.525P(1)) + (1.025M(2)R(4)) + 1) | ns | |
O11 | td(CLK-CSn) | Delay time, OSPI0_CLK rising edge to OSPI0_CSn[3:0] inactive edge | ((0.475P(1)) + (0.975N(3)R(4)) - 1) | ((0.525P(1)) + (1.025N(3)R(4)) + 1) | ns | |
O12 | td(CLK-D) | Delay time, OSPI0_CLK active edge to OSPI0_D[7:0] transition | 1.8V | -1.16 | 1.25 | ns |
3.3V | -1.33 | 1.51 | ns |