QT300(2003) データシートの表示（PDF） - Quantum Research Group
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QT300 Datasheet PDF : 12 Pages
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1W UART
Twu
Tbr
Tsb
Tacq
8bits MSB
Tmls
Tstart
Tstop
Figure 7-3 1W UART Mode
8bits LSB
Symbol
Twu
Tbr
Tsb
Tacq
Tstart
Tstop
Tmls
MSB
LSB
Parameter
Wake level
Baud set pulse
Baud end level
Baud rate range
Baud rate match accuracy
Acquisition time
Start pulse
Stop pulse
MSB-LSB spacing
-
-
min max
30 5,000
104 210
30
4,800
-
5,000
9,600
2
400
Tbr
Tbr
8
850
8 x Tbr
8 x Tbr
Notes
-
-
-
-
-
Depends on Cs and Cx
-
-
-
8 bits data, LSB first
Table 7-3 1W UART Timing
Units
µs
µs
µs
%
ms
µs
µs
µs
Description
Mode
Clock Speed
MSB-LSB
Spacing
Symbol
SM
SCD
Valid Values
0
1W UART
1
Master Clock
Idle Low
2
Master Clock
Idle High
3
Slave Clock
Idle Low
4
Slave Clock
Idle High
0 - 255
MLS
0 - 255
Default
3
Slave Clock
Idle Low
55
148
Calculation / Notes
-
Tscd = (30 + (SCD x 8))/1.2
Tmls = (10 + (MLS x 4))/1.2
Table 7-4 Setups summary chart
Unit
-
µs
µs
LQ
9
QT300 R1.01 21/09/03
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