w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 140

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

11.3.2 UART/Parallel Port
11.3.3 Parallel Port Mode Parameters
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
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
PARAMETER
SYMBOL
T
T
T
T
T
T
T
T
T
T
T
MWO
T
RINT
SINT
RIM
IRS
SIM
IAD
STI
N
HR
IID
-131 -
SI
IR
100 pf Loading
100 pf Loading
100 pF Loading
100 pF Loading
100 pF Loading
100 pF Loading
100 pF Loading
CONDITIONS
SYM.
t1
t2
t3
t4
t5
TEST
MIN.
200
Publication Release Date: March 1999
W83977EF/ CTF
TYP.
MIN.
9/16
1/16
9/16
PRELIMINARY
MAX.
100
105
300
105
60
MAX.
16/16
2
8/16
175
250
200
250
250
1/2
25
30
16
1
-1
Revision A1
UNIT
UNIT
Baud
Baud
Baud
Baud
nS
nS
nS
nS
nS
Rate
Rate
Rate
Rate
nS
nS
nS
nS
nS
nS
nS
S