W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 135

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

12.0 TIMING WAVEFORMS
12.1 FDC
SA0-SA9
SA0-SA9
IOW# or
D0-D7
DACK#
D0-D7
DACK#
DACK#
DRQ
IOR#
IOW#
AEN
AEN
IRQ
IOR#
IRQ
CS#
TAR
TAW
TMW (IOW#)
TMA
TMR (IOR#)
TAM
TFD
DMA Operation
Processor Write Operation
Processor Read Operation
TMRW
TMCY
TRR
TWW
TAA
TDW
-129 -
TDH
TR
TWI
TRA
TWA
TDF
TWD
STEP
DIR#
INDEX#
WD#
TDST
TC
RESET
Publication Release Date: April 2003
TIDX
Drive Seek operation
Terminal Count
TSTP
Write Date
TWDD
Index
TIDX
Reset
TTC
TRST
TSC
TSTD
W83977EF
Revision 1.1