SCA61T Datasheet, PDF (5/18 Pages) List of Unclassifed Manufacturers – INCLINOMETER SERIES

SCA61T Series
1.6 SPI Interface Timing Specifications
Parameter
Terminal CSB, SCK
Time from CSB (10%)
to SCK (90%)
Time from SCK (10%)
to CSB (90%)
Terminal SCK
SCK low time
SCK high time
Terminal MOSI, SCK
Time from changing MOSI
(10%, 90%) to SCK (90%).
Data setup time
Time from SCK (90%) to
changing MOSI (10%,90%).
Data hold time
Terminal MISO, CSB
Time from CSB (10%) to stable
MISO (10%, 90%).
Time from CSB (90%) to high
impedance state of
MISO.
Terminal MISO, SCK
Time from SCK (10%) to stable
MISO (10%, 90%).
Terminal CSB
Time between SPI cycles, CSB at high
level (90%)
When using SPI commands RDAX, RDAY,
RWTR: Time between SPI cycles, CSB at
high level (90%)
Conditions
Load
capacitance at
MISO < 2 nF
Load
capacitance at
MISO < 2 nF
Load
capacitance at
MISO < 15 pF
Load
capacitance at
MISO < 15 pF
Load
capacitance at
MISO < 15 pF
Symbol Min. Typ. Max. Unit
T_LS1
120
ns
T_LS2
120
ns
T_CL
1
µs
T_CH
1
µs
T_SET
30
ns
T_HOL
30
ns
T_VAL1
10
T_LZ
10
100 ns
100 ns
T_VAL2
100 ns
T_LH
15
µs
TLH 150
µs
CSB
SCK
MOSI
MISO
T_LS1
T_VAL1
T_CH
T_CL
T_HOL
MSB in
MSB out
T_VAL2
DATA in
DATA out
T_LS2
T_LH
T_SET
LSB in
T_LZ
LSB out
Figure 2. Timing diagram for SPI communication
VTI Technologies Oy
www.vti.fi
Subject to changes
Doc. nr. 8261900
5/18
Rev.A