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PC87303 Fiches technique(PDF) 104 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce PC87303
Description  PC87303VUL SuperI/OTM Sidewinder Lite Floppy Disk Controller, Keyboard Controller, Real-Time Clock, Dual UARTs, IEEE 1284 Parallel Port, and IDE Inter
PDF  114 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87303 Fiches technique(HTML) 104 Page - National Semiconductor (TI)

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100 Electrical Characteristics (Continued)
TLC12074 – 66
Note 1
If SCR0 e 1 then tSINT e 3 RCLKs For a Timeout Interrupt tSINT e 8 RCLKs
FIGURE 10-10 Timeout Receiver Timing
1027 MODEM Control Timing
Symbol
Parameter
Conditions
Min
Max
Units
tMDO
Delay from WR (WR MCR) to Output
40
ns
tRIM
Delay to Reset IRQ from RD (RD MSR)
78
ns
tSIM
Delay to Set IRQ from MODEM Input
40
ns
TLC12074 – 67
Note 1
See Microprocessor Write cycle timing
Figure 10-3
Note 2
See Microprocessor Read cycle timing
Figure 10-2
FIGURE 10-11 MODEM Control Timing
104



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