USB20H04-JT Standard Microsystems, USB20H04-JT Datasheet

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USB20H04-JT

Manufacturer Part Number
USB20H04-JT
Description
Manufacturer
Standard Microsystems
Datasheet

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Product Features
General Features
S Compliant with USB2.0 Specification
S Hub controller IC with four downstream ports
S Four transaction translators ensure maximum USB
S Enables bus-powered Hi-Speed hub design
S Compatible with On-The-Go (OTG) USB devices
S Integrated Session Request Protocol (SRP)
S Default configuration with pin selectable options
S Serial interface for configuration from EEPROM or
S Flexible OEM configuration options
S Available in a 64-pin TQFP package
Hardware Features
S Detects removal of self-power and automatically
S Integrated termination and pull-up/pull-down
S Internal short circuit protection of DP and DM lines
S On-chip oscillator uses low cost 24MHz crystal
S Supports individual or ganged over-current
S LED drivers for each downstream port
SMSC USB20H04
throughput
operates with dual-role OTG hosts
microcontroller when default is not used
changes mode to bus-power
resistors
protection and power control
USB20H04-JT for 64 pin, 10x10x1.4 TQFP package (green, lead-free)
USB20H04-JD for 64 pin, 10x10x1.4 TQFP package
ORDERING INFORMATION
DATASHEET
Order Number(s):
Page 1
OEM Selectable Features
S Configure as a bus-powered or self-powered
S Configure port power switching and current
S Enable LED indicator support
S Enable multiple transaction translators
S Enable compound device support on a port by port
S Enable downstream facing ports on a port by port
Pin Selectable Options for Default Configuration
S Select operation as either a Bus-Powered hub or a
USB20H04
4-Port USB2.0 Hub
Controller
Hi-Speed USB hub
sensing on an individual or ganged basis
basis
basis
Self-Powered hub
Revision 1.63 (10-14-04)
Datasheet

Related parts for USB20H04-JT

USB20H04-JT Summary of contents

Page 1

... S On-chip oscillator uses low cost 24MHz crystal S Supports individual or ganged over-current protection and power control S LED drivers for each downstream port USB20H04-JD for 64 pin, 10x10x1.4 TQFP package USB20H04-JT for 64 pin, 10x10x1.4 TQFP package (green, lead-free) SMSC USB20H04 USB20H04 4-Port USB2.0 Hub Controller ...

Page 2

... CONTRACT; TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Revision 1.63 (10-14-04) Page 2 DATASHEET 4-Port USB2.0 Hub Controller Datasheet SMSC USB20H04 ...

Page 3

... Controller” Updated diagram. Removed last sentence. Updated figure. Updated table with note about PID changing with silicon revision. Removed (128x8) from figure. Changed from “USB20H04L-JD” to “USB20H04-JD”. Added paragraph 3. Added new section. Added default configuration to diagram. Section is updated. Section is updated. ...

Page 4

... Revision 1.2 07-31-03 Revision 1.2 07-31-03 Revision 1.1 07/28/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 Revision 0.94 1/31/03 SMSC USB20H04 ...

Page 5

... Configuration from SMBus 28 Table 8.7 - Time Values to Configure from SMBus 36 Figure 10.1 - High Level Block Diagram of a Self-Powered Hub SMSC USB20H04 CORRECTION See tracked changes This figure has been removed This table has been removed Added figure Added table Updated figure ...

Page 6

... Table of Contents USB20H04 Datasheet Revisions................................................................................................................. 3 Chapter 1 General Description ............................................................................................................. 8 1.1 Applications ......................................................................................................................................... 8 1.2 OEM Selectable Features ................................................................................................................... 9 1.3 Pin Selectable Options to the Default Configuration........................................................................... 9 Chapter 2 Functional Block Diagram ................................................................................................ 10 Chapter 3 Pinout .................................................................................................................................. 11 Chapter 4 Interface Signal Definition ................................................................................................ 12 4.1 Pin Descriptions ................................................................................................................................ 12 4.2 Buffer Type Descriptions ................................................................................................................... 14 Chapter 5 Limiting Values .................................................................................................................. 15 Chapter 6 Electrical Characteristics ...

Page 7

... Table 4.3 - USB I/O Signals .........................................................................................................................................13 Table 4.4 - Biasing and Clock Oscillator Signals..........................................................................................................14 Table 4.5 - Power and Ground Signals ........................................................................................................................14 Table 4.6 – USB20H04 Buffer Type Descriptions ........................................................................................................14 Table 5.1 - Absolute Maximum Ratings (In accordance with the Absolute Maximum Rating system (IEC 60134).......15 Table 5.2 - Recommended Operating Conditions ........................................................................................................15 Table 5 ...

Page 8

... USB20H04 appears as an SMBus slave device. The EEPROM interface supports a 2-wire I All required resistors on the USB ports are integrated into the USB20H04. This includes all series termination resistors on D+ and D– pins and all required pull-down and pull-up resistors on D+ and D– ...

Page 9

... Indicate the maximum current required for the hub controller. 1.3 Pin Selectable Options to the Default Configuration The USB20H04 includes a default configuration for those applications where an external EEPROM or SMBus device is not available to provide the configuration. This configuration may be adequate in some applications. A pin selectable feature supports configuration as either a bus-powered hub or a self-powered hub determined by the logic level of the SELF_PWR pin following reset ...

Page 10

... Switch/LED Downstream Drivers USB Data Figure 2.1 - Block Diagram Page 10 DATASHEET 4-Port USB2.0 Hub Controller Datasheet Pin To EEPROM or SMBus Master Options SD SCK Internal Serial Interface Select Controller Port #4 Controller Port #4 OC Sense Switch Driver LED Drivers OC Switch/LED Sense Drivers SMSC USB20H04 ...

Page 11

... Pinout VDDA33 1 USBDP0 2 USBDM0 3 VSS 4 USBDM1 5 USBDP1 6 VDDA33 7 USBDP2 8 USBDM2 9 VSS 10 USBDM3 11 USBDP3 12 VDDA33 13 USBDP4 14 USBDM4 15 VSS 16 SMSC USB20H04 USB20H04 Figure 3.1– 64 Pin TQFP Page 11 DATASHEET 48 TEST_P3 47 CLKIN_EN 46 OCS1_N 45 VBUS1_N 44 OCS2_N 43 VBUS2_N 42 VDD18 VSS 41 OCS3_N 40 VBUS3_N 39 OCS4_N 38 VBUS4_N 37 CS/EESEL 36 SCK/SCL 35 ...

Page 12

... Serial Data. Data I/O on the 2-Wire interface. Serial Clock. Clock for the 2-Wire interface. Page 12 DATASHEET 4-Port USB2.0 Hub Controller Datasheet SMBus or EEPROM interface configuration. SMBus slave. Address: 0101100 SMBus slave. Address: 0101101 Internal default configuration. 2-wire EEPROM interface. SMSC USB20H04 ...

Page 13

... For self-powered applications with a permanently attached upstream host, this pin must be connected to either 3.3V or 5.0V (typically VDD3.3). The USB20H04 monitors VBUSDET to determine when to assert the internal D+ pull-up resistor (signaling a connect event). When using the SRP feature necessary to add a 100k ohm resistor from this pin to VSS in order to properly dissipate the upstream V an 8mA drive capability) ...

Page 14

... N/A N/A VDD1.8 N/A N/A VSS N/A N/A VDDA3.3 N/A N/A VDDA1.8 N/A N/A 4.2 Buffer Type Descriptions Table 4.6 – USB20H04 Buffer Type Descriptions BUFFER IPU IPD IS IO8 IOSD12 O8 OD8 ICLKx OCLKx IO-U AO I-R Revision 1.63 (10-14-04) DESCRIPTION External 1% bias resistor. Requires a 12K: resistor to ground. Used for setting HS transmit current level and on-chip termination impedance ...

Page 15

... Input Voltage on Digital Pins Input Voltage on Analog I/O Pins (DP, DM) Ambient Temperature Table 5.3 - Recommended Crystal/External Clock Conditions PARAMETER SYMBOL Crystal Frequency External Clock Frequency External Clock Duty Cycle External Clock RMS Jitter SMSC USB20H04 CONDITIONS VDD1.8 VDD3.3 TSTG CONDITIONS V DD1.8 V DD3.3 V ...

Page 16

... IH IN DD3.3 Page 16 DATASHEET 4-Port USB2.0 Hub Controller Datasheet MIN TYP MAX UNITS 100 200 100 55 100 75 100 55 100 95 100 55 105 115 100 55 105 135 unless otherwise specified.) MIN TYP MAX UNITS 0.8 2.0 250 300 350 -10 +10 -10 +10 SMSC USB20H04 ...

Page 17

... Low Output Level Output Leakage IOSD12 Buffer Low Output Level Output Leakage Hysteresis Note 6.1 - Output Leakage is measured with the current pins in high impedance. PARAMETER SYMBOL Clock Input Capacitance C Input Capacitance Output Capacitance SMSC USB20H04 COMMENTS V TTL Levels ILI V TTL Levels IHI ...

Page 18

... USB2.0 Hub Controller Datasheet o C; unless otherwise specified.) MIN TYP MAX 0.2 0.8 2.5 0.8 2.0 0.3 2.8 3.6 40.5 45 49.5 1.425 1.575 3.0 3.6 100 -50 500 100 150 -10 10 360 440 -10 10 700 1100 -900 -500 ± SMSC USB20H04 UNITS ...

Page 19

... The required termination resistors are internal to the USB20H04. To support a dual-role OTG host on the upstream port, the USB20H04 has the ability to attach a 1.5K ohm resistor to the DP0 pin for 5 to 10ms. This is defined as data-line pulsing in the OTG specification. ...

Page 20

... C Memory Interface 2 A basic I C-bus interface is provided for reading configuration data from an external EEPROM following a reset. The USB20H04 acts as the master and generates the serial clock and the START and STOP conditions. 7.6 Repeater The hub repeater is responsible for managing connectivity between upstream and downstream facing ports which are operating at the same speed ...

Page 21

... LED Drivers As per the specification, each downstream port of the hub supports an optional status indicator. The USB20H04 provides one output per port for a green LED and one output per port for an amber LED. SMSC USB20H04 This output may be disabled when an over-current ...

Page 22

... Off Amber Green Blinking Off/Green Blinking Off/Amber The USB20H04 can be configured to either support or not support port indicators. If port indicators are not included in the hub design, disable this feature in the configuration. Revision 1.63 (10-14-04) COLOR DEFINITION Disconnected, Disabled, Not Configured, Resetting, Testing, ...

Page 23

... Configuration Implementations The USB20H04 is normally configured by an external EEPROM connected directly to the serial interface. Typical circuit diagrams are shown below. For a more detailed discussion of the serial interface, including how to configure the USB20H04 using the SMBus mode, please see Port USB2 ...

Page 24

... Configuration options defined in Table 8.2. Configuration options defined in Table 8.3. Configuration options defined in Table 8.4. Maximum current for this configuration, see Table 8.5. Maximum current for the USB20H04, see Table 8.5. Time until power is stable, see Table 8.5. Page 24 DATASHEET 4-Port USB2.0 Hub Controller ...

Page 25

... Individual port-by-port. 1: Ganged switching. Selects whether the hub is part of a compound device: 0: Not a compound device. 1: Yes, USB20H04 is part of a compound device. Table 8.3 - Address 7; Config_Byte_2 DESCRIPTION Selects which ports include non-removable devices. A one indicates that the port is non-removable: Bit 7: Port 4 is non-removable ...

Page 26

... Absolute maximum current requirement in 2mA increments of the hub controller electronics. A value of 50, or 32(h), indicates 100 mA. Time in 2ms intervals from the time the power on sequence begins on a port until power is good on that port. A value of 50, or 32(h), indicates 100 ms. Page 26 DATASHEET 4-Port USB2.0 Hub Controller Datasheet SMSC USB20H04 ...

Page 27

... Power-on Time ** The default PID value is dependent on the silicon revision. 8.4 Reset There are two different resets that the USB20H04 will experience. One is a hardware reset (via the RESET_N pin) and the second a USB Reset. 8.4.1 External Hardware Reset A valid hardware reset is initiated by the assertion of RESET_N for a minimum of 100ns after all power supplies are within operating range ...

Page 28

... Hardware Reset Asserted Figure 8.3 - Timing for Configuration from SMBus Table 8.7 - Time Values to Configure from SMBus NAME DESCRIPTION T1 RESET_N asserted T2 USB20H04 recovery/stabilization – until first external SCK/SCL activity T3 Implementation dependent load time T4 Configuration finished to Hub enabled Revision 1.63 (10-14-04 First External ...

Page 29

... Hardware Reset Asserted Figure 8.4 - Timing to Complete Configuration from EEPROM Table 8.8 - Time Values to Configure From EEPROM NAME DESCRIPTION T1 RESET_N asserted USB20H04 recovery/stabilization – until first rising edge of SCK/SCL EEPROM configuration to final SCK/SCL activity T4 Configuration finished to Hub enabled SMSC USB20H04 t2 t3 ...

Page 30

... USB Reset When the upstream host signals a reset, the USB20H04 does the following: Note: The USB20H04 does not propagate the upstream USB Reset to downstream devices! 1. Sets default address Sets configuration to: un-configured 3. Negates VBUSx_N (where x stands for the port number) to all downstream ports. ...

Page 31

... Chapter 9 Hub Descriptors The USB20H04 will not electrically attach to the USB until after it has loaded valid data for all user-defined descriptor fields. A default configuration is present immediately after RESET_N negation. User defined configuration values can be loaded from either an external microcontroller or an external EEPROM. ...

Page 32

... OEM value for MaxPower consumed from the bus by the hub in this configuration. If Dynamic Power support is enabled, the USB20H04 must be configured for a bMaxPower bus-powered configuration only, and the following values are reported for this field: SELF_PWR = 0, OEM value reported. ...

Page 33

... FFh 0Ch SMSC USB20H04 FIELD NAME Number of interfaces supported by this bNumInterfaces configuration bConfigurationValue Value to use to select configuration. Index of string descriptor describing this iConfiguration configuration (string not supported) bmAttibutes Same as Configuration Descriptor bMaxPower Same as Configuration Descriptor Table 9 ...

Page 34

... Time ( intervals) from the time the power-on sequence begins on a port until power is good on that port. Derived from OEM value. Page 34 DATASHEET 4-Port USB2.0 Hub Controller Datasheet DESCRIPTION DESCRIPTION SMSC USB20H04 ...

Page 35

... USB2.0 Controller Datasheet OFFSET FIELD NAME 6 HubContrCurrent 7 DeviceRemovable 8 PortPwrCtrlMask SMSC USB20H04 VALUE DESCRIPTION user Maximum current requirements of the hub controller electronics in mA. Derived from OEM value. user Indicates if port has a removable device attached. Derived from OEM value. FFh Field for backwards USB 1.0 compatibility. ...

Page 36

... Chapter 10 Application Diagrams The highly-integrated USB20H04 Hub Controller is complemented with a minimal number of external components to create a complete four-port Hi-Speed USB hub application. Figure 10.1 illustrates one possible hardware configuration, but is not a complete schematic. This block diagram shows a self-powered hub with individual over-current protection and power switching on each downstream port. ...

Page 37

... USB2.0 Controller Datasheet Downstream V Power Source USB20H04 (Port 1) VBUS1_N OCS1_N USBDP1 USBDM1 AM1_N GR1_N Figure 10.2 - USB Downstream Port Connection SMSC USB20H04 BUS Power Switch OC Sense IN OUT EN OC Amber Indicator Green Indicator Page 37 DATASHEET USB Type A Connector V BUS VDD3 Revision 1.63 (10-14-04) ...

Page 38

... Y body Size 0.20 Lead Frame Thickness 0.75 Lead Foot Length ~ Lead Length o 7 Lead Foot Angle 0.27 Lead Width ~ Lead Shoulder Radius 0.20 Lead Foot Radius 0.08 Coplanarity Page 38 DATASHEET 4-Port USB2.0 Hub Controller Datasheet Standoff X Span Y Span Lead Pitch SMSC USB20H04 ...

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