GM82C803CN Datasheet, PDF (81/84 Pages) List of Unclassifed Manufacturers – 2.88 MB FDC/ Dual UARTs with FIFO/PIO(EPP/ ECP)/ IDE Interface/ S-IR/ PnP

IOW
SD[7:0]
IOCHRDY
WRITE
DATASTB/
ADDRSTB
WAIT
PD0-PD7
IOR
SD[7:0]
IOCHRDY
WRITE
DATASTB/
ADDRSTB
WAIT
PD0-PD7
EPP 1.9 Write Timing
t0
t8
GM82C803CN
t1
t2
t7
t3
t6
t5
t4
t9
t10
t11
EPP 1.9 Read Timing
t19
t12
t18
t17
t13
t16
t15
t14
t21
t20