w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 112
w83977atf
Manufacturer Part Number
w83977atf
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977ATF.pdf
(207 pages)
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Manufacturer:
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12.3.2 UART/Parallel Port
12.3.3 Parallel Port Mode Parameters
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
Delay from Stop to Set Interrupt
Delay from IOR Reset Interrupt
Delay from Initial IRQ Reset to
Transmit Start
Delay from 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
SYMBOL
T
T
T
T
T
T
T
T
T
T
T
MWO
T
RINT
SINT
SIM
RIM
IRS
IAD
STI
N
HR
IID
SI
IR
167-
TEST
CONDITIONS
100 pf Loading
100 pf Loading
100 pF Loading
100 pF Loading
100 pF Loading
100 pF Loading
100 pF Loading
SYM.
t1
t2
t3
t4
t5
MIN.
200
Publication Release Date: April 1998
MIN.
TYP.
9/16
1/16
9/16
W83977ATF
MAX.
PRELIMINARY
100
105
300
105
MAX.
60
16/16
2
8/16
175
250
200
250
250
1/2
25
30
16
1
-1
Revision 0.52
UNIT
UNIT
Baud
Baud
Baud
Baud
nS
nS
nS
nS
nS
Rate
Rate
Rate
Rate
nS
nS
nS
nS
nS
nS
nS
S
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