AT43301_05 ATMEL [ATMEL Corporation], AT43301_05 Datasheet
AT43301_05
Related parts for AT43301_05
AT43301_05 Summary of contents
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Features • Full Compliance with USB Spec Rev 1.1 • Four Downstream Ports • Full-speed and Low-speed Data Transfers • Bus-powered Controller • Bus-powered or Self-powered Hub Operation • Port Overcurrent Monitoring • Port Power Switching • 5V Operation with ...
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The AT43301 consists of a Serial Interface Engine, a Hub Repeater, and a Hub Controller. The Serial Interface Engine’s tasks are: • Manage the USB communication protocol • USB signaling detection/generation • Clock/data separation, data encoding/decoding, CRC generation/checking • Data ...
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Pin Assignment Type Input Input, Schmitt Trigger O = Output OD = Output, open drain B = Bi-directional V = Power supply, ground Table 1-1. Pin Number ...
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Table 1-2. Pin Number AT43301 4 32-lead AT43301-AC ...
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Table 1-3. Signal Descriptions External Capacitor. For proper operation of the on-chip regulator, a 0.27 µF capacitor must be connected to CEXT1 O CEXT1. Upstream Plus USB I/O. This pin should be connected to the CEXT1 pin through an external ...
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Functional Description 2.1 Summary The Atmel AT43301 USB hub controller chip contains various features that makes it the ideal solution for very low-cost USB hubs. These features are: on-chip regulator, low-frequency oscil- lator, bus or self-powered operation, ganged port ...
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The on-chip phase locked loop generates the high frequency clock for the clock/data separation circuit. 2.5 Power Management A hub is allowed to draw up to 500 mA of power from the host or upstream hub. The AT43301’s itself and ...
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The diagrams of agement scheme in the self-powered mode and bus-powered mode using an integrated switch with built-in overcurrent protection. Figure 2-1. Bus-powered Hub BUS_POWER GND Figure 2-2. Self-powered Hub BUS_POWER GND PS5 POWER SUPPLY 5V OUT GND AT43301 8 ...
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Hub Controller The Hub Controller of the AT43301 provides the mechanism for the host to enumerate the hub and the AT43301 to provide the host with its configuration information. It also provides a mecha- nism for the host to ...
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Each bit in the Status Change Register corresponds to one port as shown below: Table 2-2. Bit 5 Token packet from the host to Endpoint 1 indicates a request for port change status. ...
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For proper operation of the PLL, an external RC filter consisting of a series RC network of 100Ω and parallel with capacitor must be connected from the LFT pin to V 2.8 Status Pin ...
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Electrical Specification 3.1 Absolute Maximum Ratings* Symbol Parameter V 5V Power Supply CC5 V DC Input Voltage Output Voltage O T Operating Temperature O T Storage Temperature S *NOTICE: Stresses beyond those listed under “Absolute Maximum ...
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Table 3-3. PWR, STAT, OVC Symbol Parameter V Output Low Level, PWR, STAT OL2 C Output Capacitance OUT V Input Low Level IL3 V Input High Level IH3 C Output Capacitance OUT V Output High Level, PWR OH2 Table 3-4. ...
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Table 3-6. DPx, DMx Source Timings, Full Speed Operation Symbol Parameter (1) t Full Speed Data Rate DRATE (1) t Frame Interval FRAME t Consecutive Frame Interval Jitter RFI t Consecutive Frame Interval Jitter RFIADJ Source Diff Driver Jitter t ...
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Table 3-9. DPx, DMx Hub Timings, Low-speed Operation Symbol Parameter t Hub Differential Data Delay LHDD Downstr Hub Diff Driver Jitter t To Next Transition, downst LHDJ1 t For Paired Transitions, downst LHDJ2 t To Next Transition, upstr LUHJ1 t ...
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Timing Waveforms Figure 4-1. Figure 4-2. Figure 4-3. Figure 4-4. AT43301 16 Data Signal Rise and Fall Time RISE TIME V 90% CRS 10% DIFFERENTIAL DATA LINES t R Full-speed Load R TxD+ R TxD 50pF L ...
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Figure 4-5. Figure 4-6. 1137J–USB–01/06 Differential-to-EOP Transition Skew and EOP Width T PERIOD DIFFERENTIAL DATA LINES DIFF. DATA-to- SE0 SKEW N*T +T PERIOD DEOP Receiver Jitter Tolerance T PERIOD DIFFERENTIAL DATA LINES CONSECUTIVE TRANSITIONS N*T CROSSOVER POINT EXTENDED SOURCE EOP ...
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Figure 4-7. Hub Differential Delay, Differential Jitter, and SOP Distortion UPSTREAM END OF 50% POINT OF CABLE INITIAL SWING V SS HUB DELAY DIFFERENTIAL DOWNSTREAM DATA LINES DOWNSTREAM HUB DELAY WITH CABLE Hub Differential Jitter: T ...
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Figure 4-8. Hub EOP Delay and EOP Skew 50% POINT OF INITIAL SWING UPSTREAM END OF CABLE V SS DOWNSTREAM T EOP- PORT DOWNSTREAM EOP DELAY WITH CABLE EOP Delay EOPD EOP ...
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Schematic Diagrams The following pages show schematic diagrams of an AT43301 based bus-powered hub and self- powered hub. Figure 5-1. Bus-powered Hub AT43301 VSS VSS OVC 9 PWR 8 OSC2 ...
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Figure 5-2. Bus-powered Hub 1137J–USB–01/ AT43301 ...
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Figure 5-3. Self-powered Hub AT43301 22 OVC 9 PWR 8 SELF/BUS 12 STAT VSS 13 VSS 2 OSC2 5 OSC1 4 ...
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Figure 5-4. Self-powered Hub 1137J–USB–01/ AT43301 ...
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Ordering Information 6.1 AT43301 Standard Package Options Ordering Code AT43301-SC AT43301-AC 6.2 AT43301 Green Package Options (Pb/Halide-free/RoHS Compliant) Ordering Code AT43301-AU AT43301-SU 24S 24-lead (0.300 in. body) Plastic Gull Wing Small Outline Package (SOIC) 32AA 32-lead, Low-profile (1.4 mm) ...
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Packaging Information 7.1 32AA – LQFP PIN 0˚~7˚ L Notes: 1. This package conforms to JEDEC reference MS-026, Variation BBA. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per ...
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SOIC PIN 1 ID PIN 1 E 0º ~ 8º 2325 Orchard Parkway San Jose, CA 95131 R AT43301 TITLE 24S, 24-lead (0.300" body) Plastic Gull Wing Small ...
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Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...