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TUSB8040_1110 Datasheet(PDF) 15 Page - Texas Instruments |
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TUSB8040_1110 Datasheet(HTML) 15 Page - Texas Instruments |
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15 / 33 page  TUSB8040 www.ti.com SLLSE42F – SEPTEMBER 2010 – REVISED OCTOBER 2011 Table 2-5. Test and Miscellaneous Signals (continued) PIN NO. SIGNAL NAME TYPE DESCRIPTION PFP RKM High-speed status. The terminal is to indicate the connection status of the upstream port as documented below: 0 = Hub in low/full speed mode HS O 22 A11 1 = Hub in high-speed mode Can be left unconnected. SuperSpeed status. The terminal is to indicate the connection status of the upstream port as documented below: 0 = Hub not in SuperSpeed mode SS O 23 A12 1 = Hub in SuperSpeed mode Can be left unconnected. Full power management enable/SMBus address bit 1. The value of the terminal is sampled at the de-assertion of reset to set the power switch control follows: 0 = Full power management supported FULLPWRMGMTz_ 1 = Full Power management not supported I, PU 41 A17 SMBA1 Full power management is the ability to control power to the downstream ports of the TUSB8040 using the PWRON0z_BATEN0 terminal. When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 1. SMBus slave address bits 2 and 3 are always 1 for the TUSB8040. Can be left unconnected if full power management and SMBus are not implemented. Ganged operation enable/SMBus Address bit 2. The value of the terminal is sampled at the deassertion of reset to set the power switch and over current detection mode as follows: 0 = Individual Power Gangs Supported GANGED_SMBA2 I, PU A41 1 = Power Gangs Supported When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 2. SMBus slave address bits 2 and 3 are always 1 for the TUSB8040PFP. Port Indicator LED Status/SMBus Address bit 3. The value of the terminal is sampled at the deassertion of reset to determine the port indicator support for the hub as follows: 0 = Port Indicator LEDs are enabled PORTINDz_SMBA3 I, PU B37 1 = Port Indicator LEDs are not enabled When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 3. SMBus slave address bits 2 and 3 are always 1 for the TUSB8040PFP. Copyright © 2010–2011, Texas Instruments Incorporated PIN DESCRIPTIONS 15 Submit Documentation Feedback Product Folder Link(s): TUSB8040 |
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