w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 120

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

13.3.2 UART/Parallel Port
13.3.3 Parallel Port Mode Parameters
Delay from Stop to Set Interrupt
Delay from IOR# Reset Interrupt
Delay from Initial IRQ Reset to
Transmit Start
Delay from IOW# to Reset interrupt
Delay from Initial IOW# to interrupt
Delay from Stop to Set Interrupt
Delay from IOR# to Reset Interrupt
Delay from IOR# to Output
Set Interrupt Delay from Modem
Input
Reset Interrupt Delay from IOR#
Interrupt Active Delay
Interrupt Inactive Delay
Baud Divisor
PARAMETER
PD0-7, INDEX#, STROBE#, AUTOFD# Delay from
IOW#
IRQ Delay from ACK#, nFAULT
IRQ Delay from IOW#
IRQ Active Low in ECP and EPP Modes
ERROR# Active to IRQ Active
PARAMETER
SYMBOL
T
T
T
T
T
T
T
T
T
T
T
MWO
T
SINT
RINT
RIM
SIM
W83977EF-AW/W83977EG-AW
IRS
STI
IAD
HR
N
IID
SI
IR
-118-
100 pf Loading
100 pf Loading
100 pF Loading
100 pF Loading
100 pF Loading
100 pF Loading
100 pF Loading
SYM.
CONDITIONS
t1
t2
t3
t4
t5
TEST
MIN.
200
TYP.
MIN.
9/16
1/16
9/16
MAX.
105
300
105
100
60
16/16
MAX.
2
8/16
175
250
200
250
250
1/2
25
30
16
1
-1
UNIT
Baud
Baud
Baud
Baud
UNIT
nS
nS
nS
nS
nS
Rate
Rate
Rate
Rate
μ S
nS
nS
nS
nS
nS
nS
nS