QT300 Просмотр технического описания (PDF) - Quantum Research Group
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QT300 Datasheet PDF : 14 Pages
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DRDY
{from QT300}
SCK
{from host}
SDO
{from QT300}
DRDY
{from QT300}
SCK
{from QT300}
SDO
{from QT300}
Figure 7-1 SPI Slave Mode
Tskd
Tskh Tskl
D15 D14 D13 D12 D11 D10 D9 D8
Tds
Tmls
D7 D6 D5 D4 D3 D2 D1 D0
Tsosh
Thso
Figure 7-2 SPI Master Mode
Tskd
Tskh Tskl
Tmls
D15 D14 D13 D12 D11 D10 D9 D8
Tds
D7 D6 D5 D4 D3 D2 D1 D0
Tsosh
Thso
Table 7-1 Slave SPI Timing
Table 7-2 Master SPI Timing
Symbol
Parameter
min
TSKD
Clock Duration
25
TSKH
SCK High Duration
13
TSKL
SCK Low Duration
12
TSOSH
SCK High To SDO Ready
Setup Time
-
THSO
SDO Hold Time
7
TMLS
MSB-LSB Spacing
12
TDS
DRDY Low To SCK High
Delay
12
max
-
-
-
Units
µs
µs
µs
10
µs
-
µs
1,000 µs
1,000 µs
Symbol
Parameter
TSKD
Clock Duration
TSKH
SCK High Duration
TSKL
TSOSH
THSO
SCK Low Duration
SCK High To SDO Ready
Setup Time
SDO Hold Time
TMLS
MSB-LSB Spacing
TDS
DRDY Low To SCK High
Delay
min
25
12.5
12.5
4
12.5
8.3
12.5
max Units
1,725 µs
862.5 µs
862.5 µs
7
µs
-
-
1,708 µs
-
-
LQ
9
QT300 R1.02/0204
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