PC87332VLJ-5 NSC [National Semiconductor], PC87332VLJ-5 Datasheet - Page 89

• Manufacturer Part Number: PC87332VLJ-5
• Description: PC87332VLJ (3.3V/5V) and PC87332VLJ-5 (5V) (SuperI/OTM III Premium Green) Floppy Disk Controller, Dual UARTs, IEEE1284 Parallel Port, and IDE Interfac
• Manufacturer: NSC [National Semiconductor]

9 0 Electrical Characteristics
9 3 5 Transmitter Timing
Note 1 See Write cycle timing Figure 10-3
Note 2 See Read cycle timing Figure 10-2
Symbol
t
t
t
t
t
HR
IR
IRS
SI
STI
Delay from WR (WR THR) to Reset IRQ
Delay from RD (RD IIR) to Reset IRQ (THRE)
Delay from Initial IRQ Reset to Transmit Start
Delay from Initial Write to IRQ
Delay from Start Bit to IRQ (THRE)
Parameter
FIGURE 9-5 Transmitter Timing
(Continued)
89
Min
16
8
Max
40
55
24
24
8
Baud Out Cycles
Baud Out Cycles
Baud Out Cycles
Units
ns
ns
TL C 11930 – 28