PC87307VUL National Semiconductor, PC87307VUL Datasheet - Page 197
PC87307VUL
Manufacturer Part Number
PC87307VUL
Description
PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O
Manufacturer
National Semiconductor
Datasheet
1.PC87307VUL.pdf
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13.3.6 Receiver Timing
t
t
t
t
t
t
t
Sample Clock
SIN
IRRX
IRRXW
RAI1
RAI2
RAI3
RINT
SCD
SINT
RCLK
Sample
CLK
RDR
Interrupt
LSI
Interrupt
RD
(RDRBR)
RD
(RD LSR)
Symbol
a. Not tested. Guaranteed by design.
b. This is internal timing and is therefore not tested.
IRRX Pulse Width
Delay from Active Edge of RD to Reset IRQ
Delay from Active Edge of RD to Reset IRQ
Delay from Active Edge of RD to Reset IRQ
Delay from Inactive Edge of RD (RD LSR) to Reset IRQ
Delay from RCLK to Sample Time
Delay from Stop bit to Set Interrupt
t
IRRXW
a
Parameter
DATA (5-8)
8 CLKS
FIGURE 13-8. Receiver Timing
TABLE 13-40. Receiver Timing
a
Device Description
197
t
SINT
STOP
Conditions
b
t
SCD
ACTIVE
1.6 sec
Min
t
RINT
Max
6
78
78
78
55
41
/
2
16
Baud Output Cycles
Baud Output Cycles
t
RAI1
ACTIVE
nsec
nsec
nsec
nsec
nsec
Unit
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