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USB2524
SMSC USB2524 Manuals
Manuals and User Guides for SMSC USB2524. We have
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SMSC USB2524 manual available for free PDF download: Datasheet
SMSC USB2524 Datasheet (57 pages)
USB MultiSwitch Hub
Brand:
SMSC
| Category:
Switch
| Size: 0 MB
Table of Contents
Product Features
1
Table of Contents
3
Chapter 1 General Description
8
OEM Selectable Features
9
Chapter 2 Pin Layout
10
Table 2.1 USB2524 56-Pin QFN Pin Configuration Table
10
Chapter 3 Pin Configuration
11
Figure 3.1 USB2524 QFN-56
11
Chapter 4 Switching Hub Pin Descriptions
12
Table 4.1 Switching Hub Pin Descriptions
12
Table 4.2 Smbus or EEPROM Interface Behavior
14
Table 4.3 Miscellaneous Pins
15
Table 4.4 Power, Ground, and no Connect
15
Table 4.5 Buffer Type Descriptions
16
Chapter 5 Switching Hub Block Diagram
17
Figure 5.1 USB2524 Switching Hub Block Diagram
17
Chapter 6 Assigning Ports
18
Port Assign Interface (PRT_ASSIGN[3:0] Pins)
18
Embedded Mode
18
Table 6.1 USB2524 Port Assign Interface (Embedded Mode)
18
Peripheral Mode: Level Triggered
19
Peripheral Mode: Edge Triggered
19
Smbus Host Control of Port Assignment
19
Chapter 7 Configuration Options
20
Switching Hub Configuration Options
20
Power Switching Polarity
20
Vbus Detect
20
Port Assignment Configuration
20
Internal Register Set (Common to EEPROM and Smbus)
20
Table 7.1 Internal EEPROM & Smbus Register Memory Map
20
Register 00H: Vendor ID (LSB) (Reset = 0X00)
22
Register 01H: Vendor ID (MSB) (Reset = 0X00)
22
Register 02H: Product ID (LSB) (Reset = 0X00)
22
Register 03H: Product ID (MSB) (Reset = 0X00)
22
Register 04H: Device ID (LSB) (Reset = 0X00)
22
Register 05H: Device ID (MSB) (Reset = 0X00)
22
Register 06H: CONFIG_BYTE_1 (Reset = 0X00)
23
Register 07H: Configuration Data Byte 2 (Reset = 0X00)
24
Register 08H: Configuration Data Byte 3 (Reset = 0X00)
24
Register 09H: Non-Removable Device (Reset = 0X00)
25
Register 0Ah: Port Disable for Self Powered Operation (Reset = 0X00)
26
Register 0Bh: Port Disable for Bus Powered Operation (Reset = 0X00)
26
Register 0Ch: Max Power for Self Powered Operation (Reset = 0X00)
26
Register 0Dh: Max Power for Bus Powered Operation (Reset = 0X00)
27
Register 0Eh: Hub Controller Max Current for Self Powered Operation (Reset = 0X00)
27
Register 0Fh: Hub Controller Max Current for Bus Powered Operation (Reset = 0X00)
27
Register 10H: Power-On Time (Reset = 0X00)
27
Register 11H: Language ID High (Reset = 0X00)
27
Register 12H: Language ID Low (Reset = 0X00)
27
Register 13H: Manufacturer String Length (Reset = 0X00)
28
Register 14H: Product String Length (Reset = 0X00)
28
Register 15H: Serial String Length (Reset = 0X00)
28
Register 16H-53H: Manufacturer String (Reset = 0X00)
28
Register 54H-91H: Product String (Reset = 0X00)
28
Register 92H-Cfh: Serial String (Reset = 0X00)
29
Register D0H: Port Interface Delay Timer (Reset = 0X00)
29
Register D1H: Port Assign Interface Configuration 0A (Reset = 0X00)
29
SMSC USB2524 3 Revision
29
Register D2H: Port Assign Interface Configuration 0B (Reset = 0X00)
30
Register D3H: Port Assign Interface Configuration 0C (Reset = 0X00)
30
Register D4H: Port Assign Interface Configuration 0D (Reset = 0X00)
30
Register D5H: Port Assign Interface Configuration 1A (Reset = 0X00)
30
Register D6H: Port Assign Interface Configuration 1B (Reset = 0X00)
31
Register D7H: Port Assign Interface Configuration 1C (Reset = 0X00)
31
Register D8H: Port Assign Interface Configuration 1D (Reset = 0X00)
31
Register D9H: Port Assign Interface Configuration 2A (Reset = 0X00)
31
Register Dah: Port Assign Interface Configuration 2B (Reset = 0X00)
32
Register Dbh: Port Assign Interface Configuration 2C (Reset = 0X00)
32
Register Dch: Port Assign Interface Configuration 2D (Reset = 0X00)
32
Register Ddh: Port Assign Interface Configuration 3A (Reset = 0X00)
32
Register Deh: Port Assign Interface Configuration 3B (Reset = 0X00)
33
Register Dfh: Port Assign Interface Configuration 3C (Reset = 0X00)
33
Register E0H: Port Assign Interface Configuration 3D (Reset = 0X00)
33
Register E1H: Port Assign Interface Configuration 4A (Reset = 0X00)
33
Register E2H: Port Assign Interface Configuration 4B (Reset = 0X00)
34
Register E3H: Port Assign Interface Configuration 4C (Reset = 0X00)
34
Register E4H: Port Assign Interface Configuration 4D (Reset = 0X00)
34
Register E5H: Port Assign Interface Configuration 5A (Reset = 0X00)
34
Register E6H: Port Assign Interface Configuration 5B (Reset = 0X00)
35
Register E7H: Port Assign Interface Configuration 5C (Reset = 0X00)
35
Register E8H: Port Assign Interface Configuration 5D (Reset = 0X00)
35
Register E9H: Port Assign Interface Configuration 6A (Reset = 0X00)
35
Register Eah: Port Assign Interface Configuration 6B (Reset = 0X00)
36
Register Ebh: Port Assign Interface Configuration 6C (Reset = 0X00)
36
Register Ech: Port Assign Interface Configuration 6D (Reset = 0X00)
36
Register Edh: Port Assign Interface Configuration 7A (Reset = 0X00)
36
Register Eeh: Port Assign Interface Configuration 7B (Reset = 0X00)
37
Register Efh: Port Assign Interface Configuration 7C (Reset = 0X00)
37
Register F0H: Port Assign Interface Configuration 7D (Reset = 0X00)
37
Register F1H: Port Assignment 1 & 2 (Reset = 0X00)
37
Register F2H: Port Assignment 3 & 4 (Reset = 0X00)
38
Register F3H: Port Assignment 5 & 6 (Reset = 0X00)
38
Register F4H: Port Assignment 7 (Reset = 0X00)
38
Register F5H: Port Lockout (Reset = 0X00)
38
Register Ffh: Status/Command (Reset = 0X00)
39
EEPROM Interface
40
I2C Master
40
Implementation Characteristics
40
Pull-Up Resistor
40
I2C EEPROM Slave Address
40
In-Circuit EEPROM Programming
40
Smbus Slave Interface
41
Bus Protocols
41
Block Read/Write
41
Figure 7.1 Smbus Block Write
41
Invalid Protocol Response Behavior
42
General Call Address Response
42
Slave Device Time-Out
42
Stretching the SCLK Signal
42
Smbus Timing
42
Figure 7.2 Smbus Block Read
42
Bus Reset Sequence
43
Smbus Alert Response Address
43
Undefined Registers
43
Reserved Registers
43
Default Strapping Option
43
Default Configuration
43
Figure 7.3 LED Strapping Option
43
Chapter 8 LED Interface Description
44
USB Mode
44
Basic Host Owner LED Indication
44
Host Ownership and Port Speed LED Indication
45
Figure 8.1 Dual Color LED Implementation Example
45
Chapter 9 Reset
47
Reset
47
External Hardware RESET_N
47
RESET_N for Strapping Option Configuration
48
Figure 9.1 Reset_N Timing for Default/Strap Option Mode
48
Table 9.1 Reset_N Timing for Default/Strap Option Mode
48
RESET_N for EEPROM Configuration
49
Figure 9.2 Reset_N Timing for EEPROM Mode
49
Table 9.2 Reset_N Timing for EEPROM Mode
49
RESET_N for Smbus Slave Configuration
50
USB Bus Reset
50
Figure 9.3 Reset_N Timing for Smbus Mode
50
Table 9.3 Reset_N Timing for Smbus Mode
50
Chapter 10 XNOR Test
52
Chapter 11 DC Parameters
53
Maximum Guaranteed Ratings
53
DC Electrical Characteristics
53
Table 11.1 DC Electrical Characteristics
53
Chapter 12 AC Specifications
56
Oscillator/Clock
56
Smbus Interface
56
I2C Eeprom
56
Usb 2.0
56
Chapter 13 Package Outline
57
Figure 13.1 USB2524 56-Pin QFN Package Outline and Parameters
57
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