USB2524-ABZJ Standard Microsystems (SMSC), USB2524-ABZJ Datasheet - Page 14

• Manufacturer Part Number: USB2524-ABZJ
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2524-ABZJ

• Lead Free Status / RoHS Status: Compliant

Revision 1.91 (08-22-07)
Ports to Upstream
Serial Clock/SMB
Serial Data/SMB
CFG_SEL2
Programming
Programming
Programming
Configuration
Configuration
Configuration
Downstream
Host Ports
NAME
NAME
Assign
Select
Select
Select
Clock
Data
0
0
0
0
&
CFG_SEL1
SDA/SMBDATA
NAME
SCL/SMBCLK/
PRT_ASSIGN
CFG_SEL0
CFG_SEL1
CFG_SEL2
0
0
1
1
SYMBOL
[3:0]
Table 4.1 Switching Hub Pin Descriptions (continued)
Table 4.2 SMBus or EEPROM Interface Behavior
CFG_SEL0
NAME
IOSD12
IOSD12
SERIAL PORT INTERFACE
0
1
0
1
TYPE
I
I
I
DATASHEET
SMBus or EEPROM interface behavior.
Internal Default Configuration
Configured as an SMBus slave for external download of
user-defined descriptors.
Internal Default Configuration
2-wire (I2C) EEPROMS are supported,
Port Assign Interface: Operates in either Embedded mode,
or Peripheral mode. See
additional details.
(Serial Data)/(SMB Data) signal.
(Serial Clock)/(SMB Clock) signal.
CFG_SEL0: The logic state of this multifunction pin is
internally latched on the rising edge of RESET_N
(RESET_N negation), and will determine the hub
configuration method as described in
The logic state of this pin is internally latched on the rising
edge of RESET_N (RESET_N negation), and will determine
the hub configuration method as described in
The logic state of this pin is internally latched on the rising
edge of RESET_N (RESET_N negation), and will determine
the hub configuration method as described in
PRT_ASSIGN[3:0] = Embedded Mode.
Strap options on pins LED_A[4:1]_N are enabled.
LED Mode = USB Mode
SMBus slave address is :0101100
Strap options on pins LED_A[4:1]_N are disabled
LED Mode = See
PRT_ASSIGN[3:0] = Peripheral Mode (Level Triggered)
Strap options on pins LED_A[4:1]_N are enabled.
No support for unassigned Ports.
LED Mode = USB Mode
LED Mode = See
14
Chapter 8, LED Interface Description
Chapter 8, LED Interface Description
FUNCTION
FUNCTION
Chapter 6, Assigning Ports
Table
USB MultiSwitch
4.2.
SMSC USB2524
Table
Table
Datasheet
4.2.
4.2.
for
TM
Hub