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W83781D Datasheet(PDF) 22 Page - Winbond |
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W83781D Datasheet(HTML) 22 Page - Winbond |
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22 / 54 page  W83781D/W83781G Publication Release Date: April 14, 2005 - 18 - Revision 2.0 8.2 Data Register (Port x6h) Data Port: Port x6h Power on Default Value 00h Attribute: Read/write Size: 8 bits 7 6 5 4 3 2 1 0 Data Bit 7-0: Data to be read from or to be written to RAM and Register. 8.3 Configuration Register – Index 40h (Bank 0) Register Location: 40h Power on Default Value 00000001 binary Attribute: Read/write Size: 8 bits 7 6 5 4 3 2 1 0 START EN_SMI# EN_IRQ INT_CLEAR RST_OUT# IRQPOL BEEP/GPO# INITIALIZATION Bit 7: The logical 1 restores power on default value to all registers except the Serial Bus Address register. This bit clears itself since the power on default is zero. Bit 6: The logical 1 in this bit drives a zero on GPO# pin. Bit 5: IRQ polarity select. When set to 0, IRQ active high. Set to 1, IRQ active low. Default 0. Bit 4: The logical 1 outputs at least a 20 ms active low reset signal at RST_OUT# if <7> = 1 in SMI# Mask Register 2. This bit is cleared once the pulse has gone inactive. Bit 3: The logical 1 disables the SMI# and IRQ outputs without affecting the contents of Interrupt Status Registers. The device will stop monitoring. It will resume upon clearing of this bit. |
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