JAJSI09I September 2009 – October 2019 DS90UR905Q-Q1 , DS90UR906Q-Q1
PRODUCTION DATA.
Configuration of the device maybe done through configuration input pins and the STRAP input pins, or through the Serial Control Bus. The STRAP input pins share select parallel bus output pins. They are used to load in configuration values during the initial power-up sequence of the device. Only a pullup on the pin is required when a HIGH is desired. By default the pad has an internal pulldown, and will bias Low by itself. The recommended value of the pullup is 10 kΩ to VDDIO; open (NC) for Low, no pulldown is required (internal pulldown). If using the Serial Control Bus, no pullups are required.