USB MultiSwitchTM Hub
Datasheet
Chapter 2 Pin Layout
Table 2.1 USB2524 56-Pin QFN Pin Configuration Table
UPSTREAM USB 2.0 INTERFACES (6 PINS)
USBUP_DP1
VBUS_DET1
USBUP_DM1
VBUS_DET2
USBUP_DP2
USBUP_DM2
DOWNSTREAM 4-PORT USB 2.0 INTERFACE (30 PINS)
USBDN_DP1
USBDN_DP3
LED_A1_N/NON_REM0
LED_B1_N
USBDN_DM1
USBDN_DM3
LED_A2_N/NON_REM1
LED_B2_N
USBDN_DP2
USBDN_DM2
OCS1_N
OCS2_N
LED_A3_N/PRT_DIS0
LED_B3_N
OCS3_N
PRT_ASSIGN0
PRTPWR_POL
LED_A4_N/PRT_DIS1
PRT_ASSIGN3
PRTPWR1
PRTPWR2
PRT_ASSIGN1
PRT_ASSIGN2
PRTPWR4
PRTPWR3
RBIAS
USBDN_DM4
LED_B4_N
USBDN_DP4
OCS4_N
SERIAL PORT INTERFACE (4 PINS)
SDA/SMBDATA
SCL/SMBCLK/
CFG_SEL0
CFG_SEL1
CFG_SEL2
SELF_PWR
MISC (5 PINS)
XTAL1/CLKIN
TEST
XTAL2
RESET_N
ANALOG POWER & GROUND (5 PINS)
VDDA33(4)
VDDPLL18(1)
VDD33(3)
DIGITAL POWER, GROUND & NO CONNECT (6 PINS)
VDDCR18(2)
TOTAL (56 PINS)
NC
Revision 1.91 (08-22-07)
SMSC USB2524
DATA1S0HEET
SMSC [ SMSC CORPORATION ]
