PC87108AVJE NSC [National Semiconductor], PC87108AVJE Datasheet - Page 50

• Manufacturer Part Number: PC87108AVJE
• Description: Advanced UART and Infrared Controller
• Manufacturer: NSC [National Semiconductor]

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Symbol
CPU ACCESS TIMING
t
t
t
t
t
t
t
t
t
RC
WR
DMA ACCESS TIMING
t
t
t
t
t
t
UART AND INFRARED INTERFACE TIMING
t
t
t
S
t
t
M
t
t
RRV
RD
RDH
RDV
WA
WRV
WR
RI
WI
DSW
DSQ
DKS
DKH
TCS
TCH
CMW
CMP
BT
SJT
SPW
MJT
MPW
5.4.1 Timing Table
T
DRT
DRT
A
= 0˚C to 70˚C, V
Figure 42
Figure 42
Figure 42
Figure 42
Figure 43
Figure 43
Figure 43
Figure 42
Figure 43
Figure 42
Figure 43
Figure 44
Figure 44
Figure 44
Figure 44
Figure 44
Figure 44
Figure 45
Figure 45
Figure 45
Figure 46
Figure 46
Figure
DD
Read Cycle Recovery
Read Strobe Width
Read Data Hold
Data Valid from Read Active
Address Hold from Write Inactive
Write Cycle Recovery
Write Strobe Width
IRQn Reset Delay from Read Inactive
IRQn Reset Delay from Write Inactive
Read Cycle Time (RC
Write Cycle Time (WR
Read or Write Signal Width
DRQ Inactive from Read or Write Active
DACK Signal Setup
DACK Signal Hold
TC Signal Setup
TC Signal Hold from Read or Write Inactive
Modulation Signal Pulse
Width
in Sharp-IR and Consumer-IR
Modulation Signal Period in
Sharp-IR and Consumer-IR
Single Bit Time in
UART and Sharp-IR
SIR Data Rate Tolerance.
Percent of Nominal Data Rate
SIR Leading Edge Jitter.
Percent of
Nominal Bit Duration
SIR Pulse Width
MIR Data Rate Tolerance.
Percent of
Nominal Data Rate
MIR Leading Edge Jitter.
Percent of
Nominal Bit Duration
MIR Pulse Width
= 5V
±
10% or 3.3V
(Continued)
±
Parameter
>
10%, V
>
t
t
AR
AW
+ t
+ t
SS
RD
WR
= 0V
Transmitter
Receiver
Transmitter
Receiver
Transmitter
Receiver
Transmitter
Receiver
Transmitter
Receiver
Transmitter,
Variable
Transmitter, Fixed
Receiver
Transmitter
Receiver
Transmitter
Receiver
Transmitter
Receiver
+ t
+ t
RRV
50
WRV
)
)
− 15 ns (Note 11)
t
MMIN
t
t
t
t
(3/16) x t
MWN
CWN
CPN
BTN
t
(Note 11)
(Note 12)
BTN
(Note 8)
(Note 9)
60 ns
1.48
1 µs
Min
123
123
500
(Note 10)
− 25 ns
45
60
10
45
60
60
15
60
− 25 ns
− 25 ns
− 15 ns
1
0
2
− 2%
BTN
−(3/16) x t
t
t
t
t
CWN
MWN
CPN
BTN
(1/2) x t
(1/2) x t
t
(Note 11)
BTN
±
±
− 15 ns
±
±
±
±
±
±
t
1000
1000
1000
MMAX
0.87%
0.15%
Max
1.78
2.0%
2.5%
6.0%
0.1%
2.9%
6.0%
55
60
60
60
+ 25 ns
+ 25 ns
+ 25 ns
+ 15 ns
+ 2%
BTN
BTN
BTN
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs