Manual do usuário SMSC USB2512i

Manual para o dispositivo SMSC USB2512i

Dispositivo: SMSC USB2512i
Categoria: Comutador
Fabricante: SMSC
Tamanho: 0.84 MB
Data de adição: 6/13/2013
Número de páginas: 37
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SMSC USB2512i Manual de instruções - Online PDF
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Resumos

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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

USB2512i
Industrial Temperature
Rated USB 2.0 High-Speed
2-Port Hub Controller
Datasheet
PRODUCT FEATURES
Programmable USB signal drive strength. Recover
General Description
USB signal integrity due to compromised system
The SMSC 2-Port Hub is a low power, OEM
environment using 2-level driving strength resolution
configurable, STT (Single transaction translator) hub
Select the presence of a permanently hardwired USB
controller IC with 2 downstream ports for embedded
peripheral device on

Resumo do conteúdo contido na página número 2

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet ORDER NUMBER(S): USB2512i-AEZG FOR 36 PIN, QFN LEAD-FREE ROHS COMPLIANT PACKAGE 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2007 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not

Resumo do conteúdo contido na página número 3

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table of Contents Chapter 1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Chapter 3 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.1 PIN

Resumo do conteúdo contido na página número 4

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet List of Figures Figure 1.1 USB2512i 36-Pin QFN (Embedded Footprint). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2.1 USB2512i Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4.1 Block Write. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Resumo do conteúdo contido na página número 5

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet List of Tables Table 3.1 USB2512i Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 3.2 SMBus or EEPROM Interface Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 3.3 USB2512i Power, Ground, and No Connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table

Resumo do conteúdo contido na página número 6

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Chapter 1 Pin Configuration SUSP_IND/LOCAL_PWR/NON_REM0 28 18 NC VDDA33 OCS2_N 29 17 USBUP_DM PRTPWR2 30 16 SMSC USBUP_DP VDD33CR 31 15 USB2512i XTAL2 32 14 VDD18 Embedded Footprint XTAL1/CLKIN 33 13 OCS1_N (Top View QFN-36) VDD18PLL 34 12 PRTPWR1 Thermal Slug RBIAS 35 11 TEST (must be connected to VSS) VDD33PLL 36 10 VDDA33 Indicates pins on the bottom of the device. Figure 1.1 USB2512i 36-Pin QFN (Embedded Footprin

Resumo do conteúdo contido na página número 7

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Chapter 2 Block Diagram To Upstream Upstream USB To EEPROM or 24 MHz Crystal V Data SMBus Master BUS SD SCK 3.3V 1.8V PLL Serial Bus-Power Interface Upstream Detect/V BUS 1.8V Reg PHY Pulse SIE Controller Repeater Port TT Controller Routing & Port Re-Ordering Logic Port #1 Port #2 OC OC Sense Sense PHY#1 PHY#2 Switch Switch Driver Driver LED LED Drivers Drivers OC Sense OC Sense USB Data USB Data Switch/LED S

Resumo do conteúdo contido na página número 8

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Chapter 3 Pin Descriptions 3.1 PIN Descriptions This section provides a detailed description of each signal. The signals are arranged in functional groups according to their associated interface. The “N” symbol in the signal name indicates that the active, or asserted, state occurs when the signal is at a low voltage level. When “N” is not present before the signal name, the signal is asserted when at the high volta

Resumo do conteúdo contido na página número 9

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table 3.1 USB2512i Pin Descriptions (continued) QFN-36 BUFFER TYPE DESCRIPTION SYMBOL EMB SERIAL PORT INTERFACE SDA/ 22 I/OSD12 Serial Data / SMB Data & Port Non Removable Strap Option SMBDATA/ NON_REM1: Non removable port strap NON_REM1 option. If this strap is enabled by package and configuration settings (see Table 3.2), this pin will be sampled (in conjunction with LOCAL_PWR/SUSP_IND/NON_REM0) at RESET_N neg

Resumo do conteúdo contido na página número 10

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table 3.1 USB2512i Pin Descriptions (continued) QFN-36 BUFFER SYMBOL EMB TYPE DESCRIPTION XTAL2 32 OCLKx Crystal Output 24MHz Crystal This is the other terminal of the crystal, or a NO-CONNECT when an external clock source is used to drive XTAL1/CLKIN. This output must not be used to drive any external circuitry other than the crystal circuit. RESET_N 26 IS RESET Input The system can reset the chip by driving t

Resumo do conteúdo contido na página número 11

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table 3.2 SMBus or EEPROM Interface Behavior (continued) CFG_SEL1 CFG_SEL0 SMBUS OR EEPROM INTERFACE BEHAVIOR 0 1 Configured as an SMBus slave for external download of user-defined descriptors. SMBus slave address 58 (0101100x) Strap Options Disabled All Settings Controlled by Registers 1 0 Internal Default Configuration Strap Options Enabled Bus Power Operation 1 1 2-Wire I2C EEPROMS are supported. Strap O

Resumo do conteúdo contido na página número 12

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet 3.2 Buffer Type Descriptions Table 3.4 USB2512i Buffer Type Descriptions BUFFER DESCRIPTION I Input. IPD Input with internal weak pull-down resistor. IPU Input with internal weak pull-up resistor. IS Input with Schmitt trigger. O12 Output 12mA. OD12 Open drain... 12mA sink. I/O12 Input/Output buffer with 12mA sink and 12mA source. I/OSD12 Open drain...12mA sink with Schmitt trigger, and must meet I2C-Bus Specificat

Resumo do conteúdo contido na página número 13

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Chapter 4 Configuration Options 4.1 2-Port Hub SMSC’s USB 2.0 2-Port Hub is fully specification compliant to the Universal Serial Bus Specification Revision 2.0 April 27,2000 (12/7/2000 and 5/28/2002 Errata). Please reference Chapter 10 (Hub Specification) for general details regarding Hub operation and functionality. The 2-Port Hub provides 1 Transaction Translator (TT) that is shared by both downstream ports (def

Resumo do conteúdo contido na página número 14

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table 4.1 Internal Default, EEPROM and SMBus Register Memory Map (continued) SMBUS AND REG INTERNAL EEPROM POR ADDR R/W REGISTER NAME ABBR DEFAULT ROM VALUES 03h R/W PID MSB PIDM 25h 0x00 04h R/W DID LSB DIDL 00h 0x00 05h R/W DID MSB DIDM 00h 0x00 06h R/W Config Data Byte 1 CFG1 8Bh 0x00 07h R/W Config Data Byte 2 CFG2 10h 0x00 08h R/W Config Data Byte 3 CFG3 00h 0x00 09h R/W Non-Removable Devices NRD 00h 0x00 0A

Resumo do conteúdo contido na página número 15

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet 4.2.1.2 Register 01h: Vendor ID (MSB) BIT NUMBER BIT NAME DESCRIPTION 7:0 VID_MSB Most Significant Byte of the Vendor ID. This is a 16-bit value that uniquely identifies the Vendor of the user device (assigned by USB-Interface Forum). This field is set by the OEM using either the SMBus or EEPROM interface options. 4.2.1.3 Register 02h: Product ID (LSB) BIT NUMBER BIT NAME DESCRIPTION 7:0 PID_LSB Least Significan

Resumo do conteúdo contido na página número 16

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet 4.2.1.7 Register 06h: CONFIG_BYTE_1 BIT NUMBER BIT NAME DESCRIPTION 7 SELF_BUS_PWR Self or Bus Power: Selects between Self- and Bus-Powered operation. The Hub is either Self-Powered (draws less than 2mA of upstream bus power) or Bus-Powered (limited to a 100mA maximum of upstream power prior to being configured by the host controller). When configured as a Bus-Powered device, the SMSC Hub consumes less than 100m

Resumo do conteúdo contido na página número 17

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet BIT NUMBER BIT NAME DESCRIPTION 0 PORT_PWR Port Power Switching: Enables power switching on all ports simultaneously (ganged), or port power is individually switched on and off on a port- by-port basis (individual). The ability to support power enabling on a port or ganged basis is hardware implementation dependent. 0 = Ganged switching (all ports together) 1 = Individual port-by-port switching 4.2.1.8 Register 0

Resumo do conteúdo contido na página número 18

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet 4.2.1.9 Register 08h: Configuration Data Byte 3 BIT NUMBER BIT NAME DESCRIPTION 7:4 Reserved Reserved 3 PRTMAP_EN Port Re-mapping enable: Selects the method used by the hub to assign port numbers and disable ports. ‘0’ = Standard Mode ‘1’ = Port Re-map mode 2:0 Reserved Reserved 4.2.1.10 Register 09h: Non-Removable Device BIT NUMBER BIT NAME DESCRIPTION 7:0 NR_DEVICE Non-Removable Device: Indicates which port(s) i

Resumo do conteúdo contido na página número 19

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet 4.2.1.11 Register 0Ah: Port Disable For Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 PORT_DIS_SP Port Disable Self-Powered: Disables 1 or more contiguous ports. ‘0’ = port is available, ‘1’ = port is disabled. During Self-Powered operation when remapping mode is disabled (PRTMAP_EN='0'), this selects the ports which will be permanently disabled, and are not available to be enabled or enumerated by a

Resumo do conteúdo contido na página número 20

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet 7:0 MAX_PWR_SP Max Power Self_Powered: Value in 2mA increments that the Hub consumes from an upstream port (VBUS) when operating as a self-powered hub. This value includes the hub silicon along with the combined power consumption (from VBUS) of all associated circuitry on the board. This value also includes the power consumption of a permanently attached peripheral if the hub is configured as a compound device,


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