ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet
ISP1521BEUM
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ISP1521BEUM Summary of contents
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Hi-Speed USB hub controller Rev. 07 — 4 February 2010 1. General description The ISP1521 is a stand-alone Universal Serial Bus (USB) hub controller IC that complies with Universal Serial Bus Specification Rev. 2.0. It supports data transfer at high-speed ...
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... Hub for extending Easy PCs Hub boxes 4. Ordering information Table 1. Ordering information Commercial Package description product code LQFP80; 80 leads; body 12 × 12 × 1.4 (mm) ISP1521BEUM 1. GoodLink is a trademark of ST-Ericsson. CD00222695 Product data sheet 2 C-bus (master or slave) interface to read device descriptor parameters for the upstream facing port ...
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V CC1 17 CC2 ST-ERICSSON PIE 30 CC3 13 CC4 TRANSACTION TRANSLATOR MINI-HOST 12, 14, CONTROLLER 18, ...
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... Fig 2. Pin configuration 6.2 Pin description Table 2. [1] Symbol TEST GND DM0 DP0 RPU GND CD00222695 Product data sheet ISP1521BEUM Pin description [2] Pin Type Description 1 - connect to ground through a 100 kΩ resistor 2 - ground supply 3 AI/O upstream facing port 0 D− connection (analog) ...
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Table 2. [1] Symbol RREF GND DM5 DP5 V CC1 GND V CC4 GND DM6 DP6 V CC2 GND DM1 DP1 TEST_LOW TEST_HIGH OC1_N PSW1_N OC6_N PSW6_N OC5_N PSW5_N GND V CC3 V REF(5V0) OC4_N CD00222695 Product data sheet Pin ...
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Table 2. [1] Symbol PSW4_N OC3_N PSW3_N OC7_N PSW7_N OC2_N PSW2_N RESET_N ADOC XTAL1 XTAL2 GND DM2 DP2 GND DM7 DP7 V CC1 GND V CC4 GND DM3 DP3 V CC2 GND CD00222695 Product data sheet Pin description …continued [2] ...
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Table 2. [1] Symbol DM4 DP4 NOOC GRN4_N AMB4_N GRN3_N AMB3_N GRN7_N AMB7_N GRN2_N AMB2_N V REF(5V0) V CC3 GND GRN1_N CD00222695 Product data sheet Pin description …continued [2] Pin Type Description 58 AI/O downstream facing port 4 D− connection ...
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Table 2. [1] Symbol AMB1_N GRN6_N AMB6_N GRN5_N AMB5_N HUBGL_N SCL SDA [1] Symbol names ending with underscore N (for example, NAME_N) represent active LOW signals. [2] The maximum current the ISP1521 can sink on a pin is 8 mA. ...
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Functional description 7.1 Analog transceivers The integrated transceivers directly interface to USB lines. They can transmit and receive serial data at high-speed (480 Mbit/s), full-speed (12 Mbit/s) and low-speed (1.5 Mbit/s). 7.2 Hub controller core The main components of ...
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Hub repeater A hub repeater manages connectivity on a per packet basis. It implements packet signaling connectivity and resume connectivity. There are two repeaters in the ISP1521: a Hi-Speed USB repeater and an Original USB repeater. The only major ...
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The triggering voltage of the POR circuit is 2.03 V nominal. A POR is automatically generated when Fig 3. Power-on reset timing Stable external clock available at A. Fig 4. External clock with respect ...
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Configuration selections The ISP1521 is configured through I/O pins and, optionally, through an external I in which case the hub can update its configuration descriptors as a master slave. Table 3 shows configuration parameters. Table 3. ...
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Configuration through I/O pins 8.1.1 Number of downstream facing ports To discount a physical downstream facing port, connect pins DP and DM of that downstream facing port to V Table 4. The sum of physical ports configured is reflected ...
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For global overcurrent detection, an increased voltage drop is needed for the overcurrent sense device (in this case, a low-ohmic resistor). This can be realized by using a special power supply of 5.1 V ± shown in ...
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For global overcurrent protection mode, only PSW1_N and OC1_N are active; that is, in this mode, the remaining overcurrent indicator pins are disabled. To inhibit the analog overcurrent detection, OC_N pins must be connected to V Table 6. Overcurrent protection ...
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Table 9. GRN1_N to GRN7_N Ground LED pull-up green LED for at least one port 8.2 Device descriptors and string descriptors settings using I 8.2.1 Background information The I C-bus is suitable for bidirectional communication between ICs ...
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Architecture of configurable hub descriptors The I Fig 7. Configurable hub descriptors Configurable hub descriptors can be masked in the internal ROM memory; see These descriptors can also be supplied from an external EEPROM or a microcontroller. The ISP1521 ...
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ROM or EEPROM map Fig 8. ROM or EEPROM map Remark: A 128-byte EEPROM supports one language ID only, and a 256-byte EEPROM supports two language IDs. 8.2.4 ROM or EEPROM detailed map Table 12. Address (hex) Signature descriptor ...
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Table 12. Address (hex) String descriptor Index 1 (iManufacturer ...
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Table 12. Address (hex ...
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Table 12. Address (hex String descriptor Index 2 (iProduct ...
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Table 12. Address (hex [1] If this string descriptor is not supported, this bLength ...
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Hub controller description Each USB device is composed of several independent logic endpoints. An endpoint acts as a terminus of communication flow between the host and the device. At design time, each endpoint is assigned a unique number (endpoint ...
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Table 14. Bit Name 0 Hub Status Change Port n Status Change 10. Descriptors The ISP1521 hub controller supports the following standard USB descriptors: • Device • Device_qualifier • Other_speed_configuration • Configuration • Interface • Endpoint • ...
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Table 16. Device_qualifier descriptor Offset Field name Value (hex) (bytes) Full-speed 0 bLength 0A 1 bDescriptorType 06 2 bcdUSB bDeviceClass 09 5 bDeviceSubClass 00 6 bDeviceProtocol 00 7 bMaxPacketSize0 40 8 bNumConfigurations 01 Table 17. Other_speed_configuration ...
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Table 19. Interface descriptor Offset Field name Value (hex) (bytes) Full-speed 0 bLength 09 1 bDescriptorType 04 2 bInterfaceNumber 00 3 bAlternateSetting 00 4 bNumEndpoints 01 5 bInterfaceClass 09 6 bInterfaceSubClass 00 7 bInterfaceProtocol 00 8 bInterface 00 Table 20. ...
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Table 22. Bit D0 D3 11. Hub requests The hub must react to a variety of requests initiated by the host. Some requests are standard and are implemented by any USB device whereas others ...
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Table 23. Standard USB requests Request bmRequestType byte 0 (bits Feature Clear Device Feature 0000 0000 (Remote_Wakeup) Clear Endpoint (1) 0000 0010 Feature (Halt/Stall) Set Device Feature 0000 0000 (Remote_Wakeup) Set Endpoint (1) 0000 0010 Feature (Halt/Stall) ...
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Table 24. Hub class requests …continued Request bmRequestType byte 0 (bits StopTT 0010 0011 Test modes Test_J 0010 0011 Test_K 0010 0011 Test_SE0_NAK 0010 0011 Test_Packet 0010 0011 Test_Force_Enable 0010 0011 [1] Returned value in bytes. [2] ...
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Table 26. Bit 11.3.2 Get device status This request returns 2 bytes of data; see Table 27. Bit 11.3.3 Get interface status The request returns 2 bytes of data; see Table ...
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Table 30. Bit 11.3.6 Get port status This request returns 4 bytes of data. The first word contains port status bits (wPortStatus), and the next word contains port status change bits (wPortChange). The contents of wPortStatus ...
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Table 32. Bit Function 2 suspend change 3 overcurrent indicator change 4 reset change reserved 11.4 Various get descriptors bmRequestType — 1000 0000b bmRequest — GET_DESCRIPTOR = 6 Table 33. Get descriptor request Request name wValue Descriptor ...
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Limiting values Table 34. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter V supply voltage (3.3 V) CC(3V3) V input reference voltage 5.0 V REF(5V0) V input voltage buffers I(5V0) ...
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Static characteristics Table 36. Static characteristics: supply pins − ° 3 3 +70 CC amb Symbol Parameter Full-speed I supply current 5 V REF(5V0) I total supply current CC(tot) ...
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Table 38. Static characteristics: I − ° 3 3 +70 CC amb Symbol Parameter Input pin SCL and input/output pin SDA V LOW-level input voltage IL V HIGH-level input voltage ...
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Table 39. Static characteristics: USB interface block (DP0 to DP7 and DM0 to DM7) − ° 3 3 +70 CC amb Symbol Parameter Resistance Z input impedance INP Termination V ...
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Dynamic characteristics Table 40. Dynamic characteristics: system clock timing Symbol Parameter Reset t internal power-on reset pulse W(POR) width t external RESET_N pulse width W(RESET_N) Crystal oscillator f clock frequency clk External clock input δ clock duty cycle [1] ...
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Table 43. Dynamic characteristics: high-speed source electrical characteristics − ° 3 3 +70 CC amb Symbol Parameter Driver characteristics t rise time HSR t fall time HSF Clock timing t ...
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Table 44. Dynamic characteristics: full-speed source electrical characteristics − ° 3 3 +70 CC amb Symbol Parameter Hub timing (downstream ports configured as full-speed) t hub differential data delay (without ...
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T PERIOD +3.3 V crossover point differential data lines the bit duration corresponding with the USB data rate. PERIOD Full-speed timing symbols have a subscript prefix ‘F’, low-speed timing a prefix ‘L’. Fig 11. Source differential ...
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V crossover upstream point differential data lines 0 V hub delay downstream t HDD +3.3 V downstream differential data lines 0 V (A) downstream hub delay SOP distortion: − SOP HDD (next J) HDD(SOP) Full-speed ...
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Table 46. Dynamic characteristics and T within recommended operating range amb Symbol Parameter Clock frequency f SCL clock frequency SCL General timing t LOW period of the SCL clock (SCL)L t HIGH period of the SCL ...
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Application information 16.1 Descriptor configuration selection upstream facing port GoodLink ISP1521 green and . . amber LEDs, port 1 7 USB downstream facing ports 2 The I C-bus cannot be shared between the EEPROM and the external microcontroller; see ...
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Self-powered hub configurations V REF(5V0) TEST_LOW TEST_HIGH ADOC 3 5.0 V Fig 19. Self-powered hub; individual port power switching; individual overcurrent detection CD00222695 Product data sheet +4.85 V (min ± POWER SUPPLY ...
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V REF(5V0) TEST_LOW TEST_HIGH 3 5.0 V Fig 20. Self-powered hub; ganged port power switching; global overcurrent detection CD00222695 Product data sheet +4.95 V (min) 5.1 V ± POWER SUPPLY − (kick-up) 3.3 V LDO ...
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Test information (1) Transmitter: connected to 50 Ω inputs of a high-speed differential oscilloscope. Receiver: connected to 50 Ω outputs of a high-speed differential data generator. Fig 21. High-speed transmitter and receiver test circuit (1) C Fig 22. Full-speed ...
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Package outline LQFP80: plastic low profile quad flat package; 80 leads; body 1 pin 1 index DIMENSIONS (mm are the original dimensions) A ...
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Abbreviations Table 47. Acronym ACPI CRC EEPROM EMI EOP ESD FET HS LSB MSB MOSFET NAK PCB PID PLL SIE SOP TT TTL USB 20. References [1] Universal Serial Bus Specification Rev. 2.0 [2] The I [3] ISP1521 Hi-Speed ...
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Revision history Table 48. Revision history Revision Release date 7 20100204 • Modifications: Updated the filename according to the latest corporate standards. • Table 37 “Static characteristics: digital input and • Figure 9 “Overcurrent trip response • Figure 21 ...
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Tables Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . .2 Table 2. Pin description . . . . . . . . . ...
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Figures Fig 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Fig 2. Pin configuration . . ...
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Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . ...
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The contents of this document are subject to change without prior notice. ST-Ericsson makes no representation or warranty of any nature whatsoever (neither expressed nor implied) with respect to the matters addressed in this document, including but not limited to ...