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UPD360 датащи(PDF) 14 Page - Microchip Technology |
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UPD360 датащи(HTML) 14 Page - Microchip Technology |
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14 / 221 page ![]() UPD360 DS00002084C-page 14 2016-2017 Microchip Technology Inc. 3.2 Ball Descriptions This sections details the functions of the various device signals. TABLE 3-4: BALL DESCRIPTIONS NAME SYMBOL BUFFER TYPE DESCRIPTION USB Type-C™ Configuration Channel 1 CC1 AIO Configuration Channel (CC) used in the discovery, configu- ration and management of connections across a USB Type-C cable. Refer to Section 9.1, "CC Comparator," on page 68 for additional information. Configuration Channel 2 CC2 AIO Configuration Channel (CC) used in the discovery, configu- ration and management of connections across a USB Type-C cable. Refer to Section 9.1, "CC Comparator," on page 68 for additional information. CC1 Dead Battery Enable CC1_DB_EN AIO Determines whether CC1 broadcasts Rd pull-down or Hi-Z. Refer to Section 9.6, "Dead Battery," on page 77 for additional information. Note: Tie to CC1 if dead battery is supported. Other- wise, tie to ground. CC2 Dead Battery Enable CC2_DB_EN AIO Determines whether CC2 broadcasts Rd pull-down or Hi-Z. Refer to Section 9.6, "Dead Battery," on page 77 for additional information. Note: Tie to CC2 if dead battery is supported. Other- wise, tie to ground. I2C Interface (UPD360-A/UPD360-B Only) I2C Clock I2C_CLK I2C I2C clock signal (+1.8V for UPD360-A, +3.3V for UPD360-B) I2C Data I2C_DAT I2C I2C data signal (+1.8V for UPD360-A, +3.3V for UPD360-B) SPI Interface Pins (UPD360-C Only) SPI Clock SPI_CLK IS SPI clock. The maximum supported SPI clock frequency is 25 MHz. SPI Data Out SPI_DO O8 SPI output data. SPI Data In SPI_DI IS SPI input data. SPI Chip Enable SPI_CS IS Active low SPI chip enable input. Power Delivery Control Hot Plug Detect HPD IS/O8 DisplayPort Hot Plug Detection. Refer to Section 14.0, "Dis- playPort Hot Plug Detect (HPD)," on page 195 for addi- tional information. Discharge DISCHARGE O8 VBUS Discharge. Enables external VBUS discharge circuit when commanded by USB PD software. |
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