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UPD360 Datasheet(PDF) 69 Page - Microchip Technology |
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UPD360 Datasheet(HTML) 69 Page - Microchip Technology |
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69 / 221 page ![]() 2016-2017 Microchip Technology Inc. DS00002084C-page 69 UPD360 The following tables summarize the expected thresholds to be matched in the CCx Match Registers (CCx_MATCH) for various configurations. Refer to the CCx Debounce Clear Enable Registers (CCx_DBCLR_EN) for the debouncer mask used in these configurations. The following examples illustrate the rationale behind the expected matches in the previous tables. DFP: Advertise 1.5 A and connected to powered cable, UFP not attached In this scenario the DFP is advertising 1.5 A and connected to a powered cable. The UFP is not attached. The vRd value measured will be less than 0.35V per specification. In this configuration the following thresholds are enabled for matching: • CC_THR1 (DFP_ACT_1A5) TABLE 9-2: DFP CC MATCH SUMMARY CC State CC THR0 CC THR1 CC THR2 CC THR3 CC THR4 CC THR5 CC THR6 CC THR7 Advertise Default USB Current and connected to powered cable 0 0 0 0 000 0 Advertise 1.5 A and connected to powered cable 0 0 0 0 000 0 Advertise 3.0 A and connected to powered cable 0 0 0 0 000 0 Advertise Default USB Current and connected to UFP 1 0 0 0 000 0 Advertise 1.5 A and connected to UFP 0 1 0 0 000 0 Advertise 3.0 A and connected to UFP 0 0 0 1 000 0 Advertise Default USB Current and no connect (vOpen) 1 0 0 0 010 0 Advertise 1.5 A and no connect (vOpen) 0 1 0 0 010 0 Advertise 3.0 A and no connect (vOpen) 0 0 0 1 001 0 Proprietary Mode and no connect (vOpen) 0 0 0 0 000 1 TABLE 9-3: UFP CC MATCH SUMMARY CC State CC THR0 CC_ THR1 CC THR2 CC THR3 CC THR4 CC THR5 CC THR6 CC THR7 Powered cable detected. 0 0 0 0 0 0 0 0 No Connect (SNK.Open) 0 0 0 0 0 0 0 0 DFP Connected and advertising default USB current 1 0 0 0 000 0 DFP Connected and advertising 1.5 A 1 0 1 0 000 0 DFP Connected and advertising 3.0 A 1 0 1 0 100 0 DFP Connected and advertising pro- prietary current 1 0 1 0 100 1 |
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