w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 140

• Manufacturer Part Number: w83977atg
• Description: W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
• Manufacturer: Winbond Electronics Corp America

CR24 (Default 0b1s000s0s)
CR25 (Default 0x00)
CR26 (Default 0b0s000000)
Bit 7
Bit 6
Bit 5 - 3
Bit 2
Bit 1
Bit 0
Bit 7 - 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
: EN16SA
= 0
= 1
: EN48
= 0
= 1
The corresponding power-on setting pin is SOUTB (pin 53).
: Reserved.
: ENKBC
= 0
= 1
This bit is read only, and set/reset by power-on setting pin. The corresponding power-
on
setting pin is SOUTA (pin 46).
: Reserved
: PNPCSV
= 0
= 1
When trying to make a change to this bit, new value of PNPCSV must be
complementary to the old one to make an effective change. For example, the user
must set PNPCSV to 0 first and then reset it to 1 to reset these PnP registers if the
present value of PNPCSV is 1. The corresponding power-on setting pin is NDTRA
(pin 44).
: Reserved
: URBTRI
: URATRI
: PRTTRI
: IRTRI
: Reserved
: FDCTRI.
: SEL4FDD
= 0
= 1
Select two FDD mode.
Select four FDD mode.
12 bit Address Qualification
16 bit Address Qualification
The clock input on Pin 1 should be 24 Mhz.
The clock input on Pin 1 should be 48 Mhz.
KBC is disabled after hardware reset.
KBC is enabled after hardware reset.
The Compatible PnP address select registers have default values.
The Compatible PnP address select registers have no default value.
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W83977ATF/W83977ATG