w83977ag Winbond Electronics Corp America, w83977ag Datasheet - Page 45

• Manufacturer Part Number: w83977ag
• Description: W83977f With 3rd Uart For Ir, Pb-free
• Manufacturer: Winbond Electronics Corp America

In the PS/2 Model 30 mode, the bit definitions are as follows:
DSKCHG (Bit 7):
This bit indicates the status of DSKCHG input.
Bit 6-4: These bits are always a logic 1 during a read.
DMAEN (Bit 3):
This bit indicates the value of DO REGISTER bit 3.
NOPREC (Bit 2):
This bit indicates the value of CC REGISTER NOPREC bit.
DRATE1 DRATE0 (Bit 1, 0):
These two bits select the data rate of the FDC.
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
7
6
0
5
0
0
4
-37 -
3
2
1
0
DSKCHG
DRATE0
DRATE1
NOPREC
DMAEN
Publication Release Date: May 2006
Revision 0.60