SNLS777A May 2024 – June 2024 DP83TG721R-Q1 , DP83TG721S-Q1
PRODUCTION DATA
The DP83TG721-Q1 enables very high time synchronization accuracy for automotive applications. Compared to the DP83TG720x series, the DP83TG721-Q1 offers advanced diagnostic tools, hardware time stamping, TC-10 low power sleep, and has integrated Audio Video Bridging (AVB). Comparison Between DP83TG720x and DP83TG721x provides an overview of feature differences between the two.
| Feature | DP83TG720x-Q1 | DP83TG721x-Q1 |
|---|---|---|
| Interfaces | ||
| PMA/PMD | 1000Base-T1 | 1000Base-T1 |
| MAC Interface Support | RGMII only (for DP83TG720R-Q1) RGMII, SGMII (for DP83TG720S-Q1) | RGMII only (for DP83TG721R-Q1) RGMII, SGMII (for DP83TG721S-Q1) |
| Features Supported | ||
| Sleep/Wake functionality | Custom Sleep/Wake Implementation | OA TC10 Compliant Implementation |
| Internal Power Shutdown | No | Supported with EN pin |
| Diagnostics | Signal Quality Indicator (SQI) Time Domain Reflectometry (TDR) Built-In Self Test (BIST) Compliance Test Modes | Signal Quality Indicator (SQI) Time Domain Reflectometry (TDR) Built-In Self Test (BIST) Compliance Test Modes Cable Quality Indicator (CQI) |
| 802.1AS Support | No | PTP Wall Clock Tranmsit and Receive Packet Parsing and Timestamping Event Triggering and Timestamping |
| AVB Clock Generation | No | IEEE1722 CRF packet decode Media, Bit and Codec Clock Generation |
| Power Supply | ||
| VDDA3P3V | 3.3V +/- 10% | 3.3V +/- 10% |
| VDDIO | 1.8V +/- 10% 2.5V +/- 10% 3.3V +/- 10% | 1.8V +/- 10% 2.5V +/- 10% 3.3V +/- 5% |
| VSLEEP | 3.3V +/- 10% | 3.3V +/- 10% |
| VDD | 0.95V - 1.1V | 1.05V - 1.21V |