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W83303AD Datasheet(PDF) 6 Page - Winbond |
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W83303AD Datasheet(HTML) 6 Page - Winbond |
6 / 19 page W83303AD/W83303AG - 4 - Pin Descriptions, continued NO NAME I/O FUNCTION DESCRIPTION 26 1.2V_SEN I 27 1.2V_DRV O 1.2VCC voltage regulator for Intel® P4 CPU application. 28 5VSB P Power Pin 29 C1 I 30 C2 I 31 CHRPMP P Charge pump pins. It supports 10mA driving current and insures output voltage 9V or above. 32 AGND P Power pin 33 VPCI_DRV O 34 VPCI_SEN I 1.5V Voltage Regulator for PCI Express. If this power plane won’t be used, the VPCI_SEN must be connected to 3VDUAL to avoid the fault trigger of LUV event. 35 VCC P Power pin 36 LR1_DRV O 37 LR1_SEN I 38 LR2_DRV O 39 LR2_SEN I Linear Regulators ranging form 1.2V to 5V and can be adjusted by external resistors 40 DDRDET# I A signal to indicate type of DDRRAM that plugged- in; low means 2.6V for DDR and high means 1.8V for DDRII. 41 FAULT# I Fault event be monitored; the chip shut the ATX power supply down directly by control the PS_ON# signal as long as the fault events are triggered. 42 PS_IN# Power on signal. Low active. 43 PW_BUT# I System PW_BUT for power sequence monitoring. 44 PS_OUT# O Pin to control ATX power supply. 45 DGND P Power ground. 46 PWR_OK I Power good input signal of ATX power supply. 47 A0 I I2C address selecting pin. 48 D5VSB P Power pin. *VRGOOD & TYPEDET# can endure 0-12V level voltage. |
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