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USB2503
SMSC USB2503 Manuals
Manuals and User Guides for SMSC USB2503. We have
1
SMSC USB2503 manual available for free PDF download: Datasheet
SMSC USB2503 Datasheet (43 pages)
Integrated USB 3.0 compartible 3-port hub
Brand:
SMSC
| Category:
Switch
| Size: 0 MB
Table of Contents
Product Features
1
Order Numbers
2
Table of Contents
3
Chapter 1 General Description
6
OEM Selectable Features
6
Chapter 2 Pin Table 3-Port
7
Chapter 3 Pin Configuration 3-Port Hub
8
Figure 3.1 3-Port 48-Pin QFN
8
Chapter 4 3-Port Hub Block Diagram
9
Figure 4.1 3-Port Block Diagram
9
Table 4.1 3-Port Hub Pin Descriptions
9
Table 4.2 Smbus or EEPROM Interface Behavior
11
Table 4.3 Miscellaneous Pins
11
Table 4.4 Power, Ground, and no Connect
12
Table 4.5 Buffer Type Descriptions
13
Chapter 5 Functional Block Description
14
3-Port Hub
14
Hub Configuration Options
14
Vbus Detect
17
EEPROM Interface
17
I2C Eeprom
17
In-Circuit EEPROM Programming
18
Eeprom Data
18
Table 5.1 User-Defined Descriptor Data
18
Smbus Slave Interface
23
Bus Protocols
23
Invalid Protocol Response Behavior
24
General Call Address Response
24
Table 5.2 Smbus Write Byte Protocol
24
Table 5.3 Smbus Read Byte Protocol
24
Slave Device Time-Out
25
Stretching the SCLK Signal
25
Smbus Timing
25
Bus Reset Sequence
25
Smbus Alert Response Address
25
Internal Smbus Memory Register Set
25
Table 5.4 Smbus Slave Interface Register Map
25
Default Configuration Option
31
Default Strapping Options
31
Reset
32
External Hardware RESET_N
32
Figure 5.1 LED Strapping Option
32
Figure 5.2 Reset_N Timing for Default/Strap Option Mode
33
Table 5.5 Reset_N Timing for Default/Strap Option Mode
33
Figure 5.3 Reset_N Timing for EEPROM Mode
34
Table 5.6 Reset_N Timing for EEPROM Mode
34
RESET_N for Smbus Slave Configuration
35
Figure 5.4 Reset_N Timing for Smbus Mode
35
Table 5.7 Reset_N Timing for Smbus Mode
35
USB Bus Reset
35
Chapter 6 XNOR Test
37
Chapter 7 DC Parameters
38
Maximum Guaranteed Ratings
38
Recommended Operating Conditions
39
Table 7.1 DC Electrical Characteristics
39
Chapter 8 AC Specifications
42
Oscillator/Clock
42
Smbus Interface
42
I2C Eeprom
42
Usb 2.0
42
Chapter 9 Package Outline
43
Figure 9.1 48 Pin QFN Package Outline (7X7 MM Body - 0.5 MM Pitch)
43
Table 9.1 48 Pin QFN Package Parameters
43
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