ZHCSN40K February 2019 – April 2024 DRA829J , DRA829J-Q1 , DRA829V , DRA829V-Q1
PRODUCTION DATA
| MODE | OSPI_PHY_CONFIGURATION_REG BIT FIELD | DELAY VALUE | |
|---|---|---|---|
| OSPI0 | OSPI1 | ||
| Transmit | |||
| 1.8V | PHY_CONFIG_TX_DLL_DELAY_FLD | 0x40 | 0x41 |
| 3.3V | PHY_CONFIG_TX_DLL_DELAY_FLD | 0x3C | 0x3E |
| Receive | |||
| 1.8V, DQS | PHY_CONFIG_RX_DLL_DELAY_FLD | 0x13 | 0x15 |
| 3.3V, DQS | PHY_CONFIG_RX_DLL_DELAY_FLD | 0x1E | 0x1E |
| All other modes | PHY_CONFIG_RX_DLL_DELAY_FLD | 0x0 | 0x0 |
| NO. | PARAMETER | DESCRIPTION | MODE | MIN | MAX | UNIT |
|---|---|---|---|---|---|---|
| O15 | tsu(D-LBCLK) | Setup time, D[i:0] valid before active LBCLK (DQS) edge(1) | 1.8V, External Board Loopback | 0.52 | ns | |
| 3.3V, External Board Loopback | 1.97 | ns | ||||
| O16 | th(LBCLK-D) | Hold time, D[i:0] valid after active LBCLK (DQS) edge(1) | 1.8V, External Board Loopback | 1.24 (2) | ns | |
| 3.3V, External Board Loopback | 1.44 (2) | ns | ||||
| O17 | tsu(D-DQS) | Setup time, DQS edge to D[i:0] transition(1) | 1.8V, DQS | -0.46 | ns | |
| 3.3V, DQS | -0.66 | ns | ||||
| O18 | th(DQS-D) | Hold time, DQS edge to D[i:0] transition(1) | 1.8V, DQS | 3.59 | ns | |
| 3.3V, DQS | 8.89 | ns |
Figure 6-113 OSPI
Timing Requirements – DDR, External Loopback Clock and DQS