4 Revision History
Changes from Revision D (January 2020) to Revision E (November 2020)
- Added register 0x27[3] to register mapGo
- Clarified PDB voltage level for t3 and t4 in
Power-Up Sequencing from 90% VPDB to PDB
VIH
Go
- Changed Power-Up Sequencing alternative programming steps
(t3*) to add NCLK resetGo
- Clarified Power-Up Sequencing alternative programming steps
(t3*) to remove delay between I2C commands Go
Changes from Revision C (November 2019) to Revision D (January 2020)
- Clarified GPO2 description by removing statement about leaving pin open if unused Go
- Added maximum power up timing constraint between VDD_n and PDB Go
- Added recommended software programming steps if VDD_n to PDB maximum power up timing constraint can not be met Go
Changes from Revision B (September 2018) to Revision C (November 2019)
- Added register 0x27[5] to register map Go
Changes from Revision A (December 2016) to Revision B (September 2018)
- Added recommendation to ensure GPO2 is low when PDB goes highGo
- Added external clock input frequency range Go
- Added strap pin input current specification for MODE and IDX pins Go
- Updated TJIT1 PCLK input jitter in the external oscillator modeGo
- Added that 0.45UI TJIT2 maximum is when used with DS90UB934-Q1 and added new foot note Go
- Added clarification on MODE pin description in PCLK from imager mode Go
- Updated the MODE setting values to ratio from voltageGo
- Updated IDX setting values to ratio from voltageGo
- Added register "TYPE" column per legend Go
- Added type and default value to the reserved register bits that were missing this informationGo
- Added that register 0x00[7:1] does not auto update IDX strapped address Go
- Added description for 0x05 bits 1 and 0 (TX_MODE_12b and TX_MODE_10b)Go
- Added reference to Power over Coax Application reportGo
- Clarified description on PDB pin usage during power up Go
- Added paragraph to explain setting registers if GPO2 state is not determined when PDB goes high Go
- Added GPO2 to suggested power-up sequencing diagram Go
- timing constraint for PDB to GPO2 delay Go
- Revised coax connection diagram to include pulldown resistor for GPO2 Go
- Revised STP connection diagram to include pulldown resistor for GPO2 Go
Changes from Revision * (August 2016) to Revision A (December 2016)