MC141555 Motorola, MC141555 Datasheet
MC141555
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MC141555 Summary of contents
Page 1
... MC141555 Hub can be Self Powered or Bus Powered. When self-powered, MC141555 is powered by an external 5 volt supply and capable of deliver 500mA current to each downstream port. Power management for all down- stream ports supports power-switching and overcurrent detection with Individ- ual or Ganged control ...
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... Doubler 3 OSC2 Power Supply & 3. Regulator 3CAP 6 DP0 Root Port 7 DM0 MC141555 2 Freescale Semiconductor, Inc. Figure 1. BLOCK DIAGRAM Serial Interface Engine (SIE) Frame Counter (1ms) Repeater 3.3 Volts For More Information On This Product, Go to: www.freescale.com 11 DP1 12 DM1 Downstream 10 PORT 1 ...
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... Unused inputs must always be tied to an appro- priate logic voltage level (e.g., either Unused outputs must be left open. Min Max Unit 110 % 1.3 2.0 V Min Max Unit 75 300 ns 75 300 ns 80 120 % 1.3 2 90% 90% 10 MC141555 3 ...
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... Differential Common Mode Range V SE Single Ended Receiver Threshold C HPB Downstream Hub Port Bypass Capacitance 1.0 0.8 0.6 0.4 0.2 0.0 Figure 4. Differential Input Sensitivity Over Entire Common Mode Range MC141555 4 10 SS( Voltage Referenced Conditions — — — — — — — — ...
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... Go to: www.freescale.com Min Max Unit — — - Min Max Unit — 300 -300 300 ns Crossover Point Hub Delay Crossover Downstream Point HDD1 HDD2 MC141555 5 ...
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... Active high is to switch on the power. DP2 (Pin 15) This is the differential data plus I/O pin of the downstream port 2. MC141555 6 DM2 (Pin 16) This is the differential data minus I/O pin of the down- stream port 2. OVR3 (Pin 17) This is the over-current detection pin of the downstream port 3 ...
Page 7
... Bus-powered Mode with Individual Control During Power-On Reset, pull DP5/SEL1 low, pull OVR5/ GANG and DM5/SEL0 high to select this mode. Meanwhile, MC141555 is configured to be bus powered with 4 down- stream ports whose power management is in Individual Con- trol; that is, after Power-On Reset, DP5/SEL1, DM5/SEL0, OVR5/GANG and PWRSW5 have no further usage ...
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... Subclass code 1 00h Protocol code 1 08h Max. packet size for Endpoint 1063h Vendor ID = Motorola Corporation (assigned by USB) 2 1555h Product ID = MC141555 2 0100h Device Release No. = 1.00 1 00h Manufacturer string descriptor = Open 1 00h Product string descriptor = Open 1 00h Serial Number string = Open ...
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... BIT2=0: Not Compound Device BIT2=1: Compound Device Overcurrent Protection Mode: BIT4..BIT3=00: Global Overcurrent Protection BIT4..BIT3=01: Individual Port Overcurrent Protection 1 32h Time from the power on to power good = 100 ms 1 64h Maximum current requirements of the Hub controller electronics 64h: 100 mA Go to: www.freescale.com MC141555 9 ...
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... Port 5 status change 6-7 Reserved REQUEST The Hub Controller will respond to the HOST Request through the endpoint 0 pipe in the way as illustrated in following tables. If the Hub responses with STALL packet, it means the request is not supported. MC141555 10 Size Value Description 1 00h/20h 00h: Indicate all the ports connected to this Hub are removable ...
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... Clear Endpoint Stall condition ConfigurationValue Device Descriptor Configuration Descriptor STALL STALL 00h current Remote Wakeup/ Pow- ered status 0000h 0001h = STALLed 0000h = not STALLed None/Ack None/Ack xxxx/STALL None/Ack Enable remote wakeup feature None/STALL None/ACK Set Endpoint STALL condition None/Ack STALL MC141555 11 ...
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... C_Port_Enable C_Port_Suspend C_PortOverCurrent C_Port_Reset 10100011b 02h GetBusState Get_State 10100000b 06h GetHubDescriptor Get_Descriptor 10100000b 00h GetHubStatus Get_Status 10100011b 00h GetPortStatus Get_Status MC141555 12 wValue wIndex Feature 0000h Selector 0000h 0001h Feature 0001h ~ 0005h Selector 0000h 0001h 0002h 0003h 0004h 0008h 0009h 0010h 0011h ...
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... Feature 0000h 0000h Selector 0000h 0001h Feature 0001h ~ 0005h 0000h Selector 0000h 0001h 0002h 0003h 0004h 0008h 0009h 0010h 0011h 0012h 0013h 0014h Go to: www.freescale.com Data/Handshake STALL STALL STALL STALL None/Ack STALL STALL STALL STALL STALL STALL STALL STALL MC141555 13 ...
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... Mode Monitor Self-Powered & Individual Control Self-Powered & Individual Control Hub Box Bus-Powered & Individual Control Bus-Powered & Ganged Control V BUS Upstream device 1.5Kohm 10 uF Downstream device MC141555 14 DP5/SEL1 DM5/SEL0 PWRSW5 OVR5/GANG DM5/SEL0 VDD 10Mohm DP5/SEL1 OSC1 2 PWRSW5 ...
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... Freescale Semiconductor, Inc. APPLICATION DIAGRAM (downstream port 15Kohm 15K ohm V BUS GND MOTOROLA For More Information On This Product, 10ohm 10ohm ferrite bead ferrite bead + + 120UFuF 0.01uF - - ferrite bead Go to: www.freescale.com MC141555 (at MC141555) V BUS (MC141555) GND (MC141555) MC141555 15 ...
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... Freescale Semiconductor, Inc. APPLICATION DIAGRAM (Pull-high circuit of upstream port) Pull-high CKT 1.5 Kohm DP0 DM0 DP0 (upstream device) 10uF MC141555 16 VDD3CAP V BUS 10ohm 10ohm 2N3906 + 20Kohm - 61Kohm 390Kohm 2N3904 20Kohm For More Information On This Product, Go to: www.freescale.com DP0 ( at MC141555) DM0 (at MC141555) VDD3CAP V BUS MOTOROLA ...