STEVAL-MKI024V1 STMicroelectronics, STEVAL-MKI024V1 Datasheet - Page 12
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STEVAL-MKI024V1
Manufacturer Part Number
STEVAL-MKI024V1
Description
DEMO BOARD BASED ON LIS331DL
Manufacturer
STMicroelectronics
Series
MEMSr
Datasheets
1.STEVAL-MKI024V1.pdf
(42 pages)
2.STEVAL-MKI024V1.pdf
(39 pages)
3.STEVAL-MKI024V1.pdf
(4 pages)
Specifications of STEVAL-MKI024V1
Design Resources
STEVAL-MKI024V1 Gerber Files STEVAL-MKI024V1 Schematics STEVAL-MKI024V1 Bill of Materials
Sensor Type
Accelerometer, 3 Axis
Sensing Range
±2.3g, 9.2g
Interface
SPI, USB
Sensitivity
72mg/digit
Voltage - Supply
5V, USB
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
LIS331DL
Acceleration
2 g, 8 g
Sensing Axis
Triple Axis
Output Type
Digital
Interface Type
USB
Silicon Manufacturer
ST Micro
Silicon Core Number
LIS331DL
Kit Application Type
Sensing - Motion / Vibration / Shock
Application Sub Type
Accelerometer
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8719
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-MKI024V1
Manufacturer:
STMicroelectronics
Quantity:
135
Mechanical and electrical specifications
2.3
2.3.1
2. Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both Input and Output port
3. When no communication is on-going, data on CS, SPC, SDI and SDO are driven by internal pull-up resistors
12/42
1. Values are guaranteed at 10 MHz clock frequency for SPI with both 4 and 3 wires, based on characterization results, not
SDO
CS
SPC
SDI
tested in production
Symbol
tdis(SO)
tc(SPC)
fc(SPC)
tsu(CS)
th(CS)
tsu(SI)
tv(SO)
th(SO)
th(SI)
(3)
(3)
(3)
(3)
Communication interface characteristics
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and top.
Table 5.
Figure 3.
t
su(CS)
SPI clock cycle
SPI clock frequency
CS setup time
CS hold time
SDI input setup time
SDI input hold time
SDO valid output time
SDO output hold time
SDO output disable time
SPI slave timing values
SPI slave timing diagram
t
su(SI)
MSB IN
MSB OUT
t
h(SI)
Parameter
t
v(SO)
t
c(SPC)
(2)
t
h(SO)
Min
100
15
5
8
5
6
Value
(1)
Max
10
50
50
LSB IN
LSB OUT
t
h(CS)
LIS331DL
t
dis(SO)
MHz
Unit
ns
ns
(3)
(3)
(3)
(3)