W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 160

• Manufacturer Part Number: W83977AF
• Description: W83877TF Plus Kbc, Cir, RTC
• Manufacturer: Information Storage Devices, Inc

11.3.2 UART/Parallel Port
11.3.3 Parallel Port Mode Parameters
PD0-7, INDEX , STROBE, AUTOFD Delay from
IRQ Delay from ACK , nFAULT
IRQ Delay from IOW
IRQ Active Low in ECP and EPP Modes
IOW
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
- 148 -
RIM
IRS
SIM
IAD
STI
N
HR
IID
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
W83977F/ W83977AF
MIN.
Publication Release Date: March 1998
200
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 0.58
UNIT
UNIT
Baud
Baud
Baud
Baud
nS
nS
nS
nS
nS
Rate
Rate
Rate
Rate
nS
nS
nS
nS
nS
nS
nS
S