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USB2512i
Chapter 7 Package Outline, Figure 7.1 36-PinQFN, 6x6mm Body, 0.5mm Pitch
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Chapter 7 Package Outline
Figure 7.1
36-Pin
QFN, 6x6mm Body, 0.5mm Pitch
Revision 1.92
(11-28-07)
37 DATASHEET
SMSC USB2512i
Contents
USB2512i
Industrial Temperature
Rated USB 2.0 High-Speed
2-PortHub Controller
PRODUCT FEATURES
ORDER NUMBER(S):
USB2512i-AEZGFOR 36 PIN, QFN LEAD-FREEROHS COMPLIANT PACKAGE
Table of Contents
Chapter
List of Figures
List of Tables
Chapter 1 Pin Configuration
Chapter 2 Block Diagram
Chapter 3 Pin Descriptions
3.1PIN Descriptions
Table 3.1 USB2512i Pin Descriptions (continued)
SERIAL PORT INTERFACE
MISC
Table 3.2 SMBus or EEPROM Interface Behavior
CFG_SEL1
CFG_SEL0
SMBUS OR EEPROM INTERFACE BEHAVIOR
Table 3.2 SMBus or EEPROM Interface Behavior (continued)
Table 3.3 USB2512i Power, Ground, and No Connect
PACKAGE SYMBOL
36-QFNEMB
FUNCTION
3.2Buffer Type Descriptions
Chapter 4 Configuration Options
4.12-PortHub
4.1.1Hub Configuration Options
4.1.1.1Power Switching Polarity
4.1.2VBus Detect
4.2.1.1Register 00h: Vendor ID (LSB)
4.2.1.2Register 01h: Vendor ID (MSB)
4.2.1.3Register 02h: Product ID (LSB)
4.2.1.4Register 03h: Product ID (MSB)
4.2.1.5Register 04h: Device ID (LSB)
4.2.1.6Register 05h: Device ID (MSB)
4.2.1.7Register 06h: CONFIG_BYTE_1
4.2.1.8Register 07h: Configuration Data Byte
4.2.1.9Register 08h: Configuration Data Byte
4.2.1.10Register 09h: Non-RemovableDevice
Register 0Ah: Port Disable For Self Powered Operation
4.2.1.12Register 0Bh: Port Disable For Bus Powered Operation
4.2.1.13Register 0Ch: Max Power For Self Powered Operation
4.2.1.14Register 0Dh: Max Power For Bus Powered Operation
4.2.1.15Register 0Eh: Hub Controller Max Current For Self Powered Operation
4.2.1.16Register 0Fh: Hub Controller Max Current For Bus Powered Operation
Register 10h: Power-OnTime
4.2.1.18Register F6h: Boost_Up
4.2.1.19Register F8h: Boost_2:0
4.2.1.20Register FAh: Port Swap
Register FBh: Port Remap
4.2.1.22Register FFh: Status/Command
4.2.2 I2C EEPROM
4.2.2.1Implementation Characteristics
4.2.2.2Pull-UpResistor
4.2.2.3I2C EEPROM Slave Address
4.2.3In-CircuitEEPROM Programming
4.3SMBus Slave Interface
4.3.1Bus Protocols
4.3.1.1Block Read/Write
4.3.2Invalid Protocol Response Behavior
4.3.3General Call Address Response
4.3.4Slave Device Time-Out
4.3.5Stretching the SCLK Signal
4.3.6SMBus Timing
4.4Default Configuration Option:
4.5Default Strapping Options:
4.6Reset
4.6.1Internal POR Hardware Reset
4.6.2External Hardware RESET_N
4.6.2.1RESET_N for Strapping Option Configuration
4.6.2.2RESET_N for EEPROM Configuration
4.6.2.3RESET_N for SMBus Slave Configuration
4.6.3USB Bus Reset
Page
Chapter 5 DC Parameters
5.1Maximum Guaranteed Ratings
5.2Recommended Operating Conditions
Table
DC Electrical Characteristics
I, IS Type Input Buffer
Input Buffer with Pull-Up
(IPU)
Table 5.1 DC Electrical Characteristics (continued)
CAPACITANCE TA = 25°C; fc = 1MHz; VDD18, VDDPLL
Chapter 6 AC Specifications
6.1Oscillator/Clock
6.1.1SMBus Interface:
6.1.2I2C EEPROM:
6.1.3USB
Chapter 7 Package Outline
