User ManualTable of ContentsChapter 1 Acronyms6Chapter 2 Block Diagram7Figure 2.1 USB2244/USB2244i Block Diagram7Chapter 3 Pin Table83.1 36-Pin Package8Table 3.1 USB2244/2244i 36-Pin QFN Package8Chapter 4 Pin Configuration9Figure 4.1 USB2244/USB2244i 36 Pin QFN Diagram9Chapter 5 Pin Descriptions105.1 Pin Descriptions10Table 5.2 USB2244/2244i 36-Pin QFN Pin Descriptions105.2 Buffer Type Descriptions12Table 5.3 USB2244/USB2244i Buffer Type Descriptions12Chapter 6 Pin Reset State Table13Figure 6.1 Pin Reset States13Figure 6.2 Legend for Pin Reset States Table136.1 36-Pin Reset States14Table 6.1 USB2244/USB2244i Pin Reset States14Chapter 7 DC Parameters157.1 Maximum Guaranteed Ratings15Figure 7.1 Supply Rise Time Model167.2 Recommended Operating Conditions167.3 DC Electrical Characteristics177.4 Capacitance19Table 7.1 Pin Capacitance19Chapter 8 AC Specifications208.1 Oscillator/Clock20Figure 8.1 Typical Crystal Circuit20Figure 8.2 Formula to Find Value of C1 and C220Chapter 9 Package Outline21Figure 9.1 USB2244/USB2244i 36-QFN, 6x6mm Body, 0.5mm Pitch21Chapter 10 GPIO Usage22Table 10.1 USB2244/USB2244i GPIO Usage (ROM Rev 0x00)22Size: 556 KBPages: 22Language: EnglishOpen manual
User ManualTable of ContentsChapter 1 Acronyms6Chapter 2 Block Diagram7Figure 2.1 USB2244/USB2244i Block Diagram7Chapter 3 Pin Table83.1 36-Pin Package8Table 3.1 USB2244/2244i 36-Pin QFN Package8Chapter 4 Pin Configuration9Figure 4.1 USB2244/USB2244i 36 Pin QFN Diagram9Chapter 5 Pin Descriptions105.1 Pin Descriptions10Table 5.2 USB2244/2244i 36-Pin QFN Pin Descriptions105.2 Buffer Type Descriptions12Table 5.3 USB2244/USB2244i Buffer Type Descriptions12Chapter 6 Pin Reset State Table13Figure 6.1 Pin Reset States13Figure 6.2 Legend for Pin Reset States Table136.1 36-Pin Reset States14Table 6.1 USB2244/USB2244i Pin Reset States14Chapter 7 DC Parameters157.1 Maximum Guaranteed Ratings15Figure 7.1 Supply Rise Time Model167.2 Recommended Operating Conditions167.3 DC Electrical Characteristics177.4 Capacitance19Table 7.1 Pin Capacitance19Chapter 8 AC Specifications208.1 Oscillator/Clock20Figure 8.1 Typical Crystal Circuit20Figure 8.2 Formula to Find Value of C1 and C220Chapter 9 Package Outline21Figure 9.1 USB2244/USB2244i 36-QFN, 6x6mm Body, 0.5mm Pitch21Chapter 10 GPIO Usage22Table 10.1 USB2244/USB2244i GPIO Usage (ROM Rev 0x00)22Size: 556 KBPages: 22Language: EnglishOpen manual