W83977G-A Nuvoton Technology Corporation of America, W83977G-A Datasheet - Page 45
W83977G-A
Manufacturer Part Number
W83977G-A
Description
IC I/O CONTROLLER 128-PQFP
Manufacturer
Nuvoton Technology Corporation of America
Datasheet
1.W83977G-A.pdf
(182 pages)
Specifications of W83977G-A
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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
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