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Datasheet
Revision 1.91 (08-22-07) 10 SMSC USB2524
DATASHEET
Chapter 2 Pin Layout
Table 2.1 USB2524 56-Pin QFN Pin Configuration Table
UPSTREAM USB 2.0 INTERFACES (6 PINS)
USBUP_DP1 USBUP_DM1 USBUP_DP2 USBUP_DM2
VBUS_DET1 VBUS_DET2
DOWNSTREAM 4-PORT USB 2.0 INTERFACE (30 PINS)
USBDN_DP1 USBDN_DM1 USBDN_DP2 OCS1_N
USBDN_DP3 USBDN_DM3 USBDN_DM2 OCS2_N
LED_A1_N/NON_REM0 LED_A2_N/NON_REM1 LED_A3_N/PRT_DIS0 OCS3_N
LED_B1_N LED_B2_N LED_B3_N PRT_ASSIGN0
PRTPWR1 PRTPWR2 PRT_ASSIGN1 PRTPWR_POL
PRTPWR3 RBIAS PRT_ASSIGN2 LED_A4_N/PRT_DIS1
USBDN_DM4 USBDN_DP4 PRTPWR4 PRT_ASSIGN3
LED_B4_N OCS4_N
SERIAL PORT INTERFACE (4 PINS)
SDA/SMBDATA SCL/SMBCLK/
CFG_SEL0
CFG_SEL1 CFG_SEL2
MISC (5 PINS)
XTAL1/CLKIN XTAL2 RESET_N SELF_PWR
TEST
ANALOG POWER & GROUND (5 PINS)
VDDPLL18(1)
VDDA33(4)
DIGITAL POWER, GROUND & NO CONNECT (6 PINS)
VDD33(3) VDDCR18(2) NC
TOTAL (56 PINS)