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USB2512A
SMSC USB2512A Manuals
Manuals and User Guides for SMSC USB2512A. We have
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SMSC USB2512A manuals available for free PDF download: Datasheet
SMSC USB2512A Datasheet (72 pages)
USB 2.0 Hi-Speed Hub Controller
Brand:
SMSC
| Category:
Controller
| Size: 1 MB
Table of Contents
Product Features
1
Order Numbers
2
Table of Contents
3
Chapter 1 Usb251X Hub Family Differences Overview
7
Table 1.1 36-Pin QFN (6X6X0.5 MM) Rohs Compliant Part Numbers
7
Table 1.2 48-Pin QFN (7X7X0.5 MM) Rohs Compliant Part Numbers
7
Table 1.3 64-Pin QFN (9X9X0.5 MM) Rohs Compliant Part Numbers
7
Chapter 2 General Description
8
OEM Selectable Features
8
Chapter 3 Acronyms
10
Chapter 4 Block Diagram
11
Figure 4.1 Usb251X Hub Family Block Diagram
11
Chapter 5 Pin Descriptions
12
Pin Configurations and Lists (Organized by Package Type)
12
Figure 5.1 2-Port 36-Pin QFN
12
Figure 5.2 3-Port 36-Pin QFN
13
Figure 5.3 4-Port 36-Pin QFN
14
Figure 5.4 3-Port 48-Pin QFN
15
Figure 5.5 4-Port 48-Pin QFN
16
Figure 5.6 7-Port 64-Pin QFN
17
Table 5.1 Pin List in Alphabetical Order
18
Usb251X Pin Descriptions (Grouped by Function)
22
Table 5.2 Usb251X Pin Descriptions
22
Buffer Type Descriptions
27
Table 5.3 Buffer Type Descriptions
27
Chapter 6 LED Usage Description
29
LED Functionality
29
USB Mode 14-Wire
29
LED Mode Speed Indication
29
Figure 6.1 Dual Color LED Implementation Example
29
Chapter 7 Battery Charging Support
31
General Description
31
USB Battery Charging
31
Special Behavior of PRTPWR Pins
31
Figure 7.1 Battery Charging Via External Power Supply
31
Battery Charging Configuration
32
Battery Charging Enabled Via EEPROM or Smbus
32
Chapter 8 Configuration Options
33
Hub
33
Hub Configuration Options
33
Smbus or EEPROM Interface
33
Table 8.1 Hub Configuration Options
33
Vbus Detect
34
EEPROM Interface
34
Internal Register Set (Common to EEPROM and Smbus)
35
Table 8.2 Internal Default, EEPROM and Smbus Register Memory Map
35
Product ID LSB
37
Product ID MSB
37
Configuration Data Byte
39
Configuration Data Byte
40
Non-Removable Devices
40
Power-On Time
43
Language ID High
43
Manufacturer String Length
43
Product String Length
43
Table 8.3 Portmap Register for Ports 1 & 2
48
Table 8.4 Portmap Register for Ports 3 & 4
49
Table 8.5 Portmap Register for Ports 5 & 6
50
Table 8.6 Portmap Register for Port 7
51
I 2 C Eeprom
52
In-Circuit EEPROM Programming
52
Smbus Slave Interface
53
Smbus Slave Addresses
53
Bus Protocols
53
Figure 8.1 Block Write
53
Invalid Protocol Response Behavior
54
General Call Address Response
54
Slave Device Time-Out
54
Stretching the SCLK Signal
54
Smbus Timing
54
Bus Reset Sequence
54
Figure 8.2 Block Read
54
Smbus Alert Response Address
55
Default Configuration Option
55
Default Strapping Options
55
Reset
55
External Hardware RESET_N
55
Table 8.7 Reset_N Timing for Default/Strap Option Mode
56
Figure 8.3 Reset_N Timing for Default/Strap Option Mode
56
Table 8.8 Reset_N Timing for EEPROM Mode
57
Figure 8.4 Reset_N Timing for EEPROM Mode
57
USB Bus Reset
58
Table 8.9 Reset_N Timing for Smbus Mode
58
Figure 8.5 Reset_N Timing for Smbus Mode
58
Chapter 9 DC Parameters
60
Maximum Guaranteed Ratings
60
Operating Conditions
60
Table 9.1 DC Electrical Characteristics
61
Figure 9.1 Supply Rise Time Model
61
Table 9.2 Pin Capacitance
65
Chapter 10 AC Specifications
66
Oscillator/Clock
66
Smbus Interface
66
I 2 C Eeprom
66
Usb 2.0
66
Figure 10.1 Typical Crystal Circuit
66
Figure 10.2 Formula to Find the Value of C1 and C2
66
Figure 10.3 Simplified Form of the Capacitance Formula
66
Chapter 11 Package Outlines
67
Figure 11.1 36-Pin QFN, 6X6 MM Body, 0.5 MM Pitch
67
Figure 11.2 48-Pin QFN, 7X7 MM Body, 0.5 MM Pitch
68
Figure 11.3 64-Pin QFN, 9X9 MM Body, 0.5 MM Pitch
69
Tape and Reel Specifications
70
Figure 11.4 36-Pin Package Tape Specifications
70
Figure 11.5 48-Pin Package Tape Specifications
71
Figure 11.6 36-Pin and 48-Pin Package Reel Specifications
72
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SMSC USB2512A Datasheet (37 pages)
USB 2.0 Hi-Speed 2-Port Hub Controller
Brand:
SMSC
| Category:
Controller
| Size: 0 MB
Table of Contents
Product Features
1
Order Numbers
2
Table of Contents
3
Chapter 1 Pin Configuration
6
Figure 1.1 USB2512A 36-Pin QFN (Embedded Footprint)
6
Chapter 2 Block Diagram
7
Figure 2.1 USB2512A Block Diagram
7
Chapter 3 Pin Descriptions
8
PIN Descriptions
8
Table 3.1 USB2512A Pin Descriptions
8
Table 3.2 Smbus or EEPROM Interface Behavior
11
Table 3.3 USB2512A Power, Ground, and no Connect
11
Buffer Type Descriptions
12
Table 3.4 USB2512A Buffer Type Descriptions
12
Chapter 4 Configuration Options
13
2-Port Hub
13
Hub Configuration Options
13
Vbus Detect
13
EEPROM Interface
13
Internal Register Set (Common to EEPROM and Smbus)
13
Table 4.1 Internal Default, EEPROM and Smbus Register Memory Map
13
Table 4.2 Port Remap Register for Ports 1 & 2
23
I C Eeprom
24
In-Circuit EEPROM Programming
25
Smbus Slave Interface
25
Bus Protocols
25
Invalid Protocol Response Behavior
26
General Call Address Response
26
Slave Device Time-Out
26
Figure 4.1 Block Write
26
Figure 4.2 Block Read
26
Stretching the SCLK Signal
27
Smbus Timing
27
Bus Reset Sequence
27
Smbus Alert Response Address
27
Default Configuration Option
27
Default Strapping Options
27
Reset
27
Internal por Hardware Reset
27
External Hardware RESET_N
28
Figure 4.3 Reset_N Timing for Default/Strap Option Mode
28
Table 4.3 Reset_N Timing for Default/Strap Option Mode
28
Figure 4.4 Reset_N Timing for EEPROM Mode
29
Table 4.4 Reset_N Timing for EEPROM Mode
29
USB Bus Reset
30
Figure 4.5 Reset_N Timing for Smbus Mode
30
Table 4.5 Reset_N Timing for Smbus Mode
30
Chapter 5 DC Parameters
32
Maximum Guaranteed Ratings
32
Figure 5.1 Supply Rise Time Model
32
Operating Conditions
33
Table 5.1 DC Electrical Characteristics
33
Table 5.2 Pin Capacitance
35
Chapter 6 AC Specifications
36
Oscillator/Clock
36
Smbus Interface
36
C Eeprom
36
Usb 2.0
36
Figure 6.1 Typical Crystal Circuit
36
Figure 6.2 Formula to Find Value of C1 and C2
36
Chapter 7 Package Outline
37
Figure 7.1 36-Pin QFN, 6X6Mm Body, 0.5Mm Pitch
37
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