STEVAL-MKI024V1 STMicroelectronics, STEVAL-MKI024V1 Datasheet - Page 13

• Manufacturer Part Number: STEVAL-MKI024V1
• Description: DEMO BOARD BASED ON LIS331DL
• Manufacturer: STMicroelectronics
• Series: MEMSr

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

LIS331DL
2.3.2
1. Data based on standard I
2. A device must internally provide an hold time of at least 300ns for the SDA signal (referred to VIHmin of the SCL signal) to
3. Cb = total capacitance of one bus line, in pF
4. Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both ports
t
t
SCL
r(SDA)
SDA
f(SDA)
bridge the undefined region of the falling edge of SCL
t
Symbol
t
t
t
w(SP:SR)
w(SCLH)
t
w(SCLL)
t
su(SDA)
t
f
h(SDA)
t
su(SR)
su(SP)
(SCL)
h(ST)
t
t
t
r(SCL)
f(SCL)
f(SDA)
I
Subject to general operating conditions for Vdd and top.
Table 6.
Figure 4.
t
h(ST)
2
C - Inter IC control interface
SCL clock frequency
SCL clock low time
SCL clock high time
SDA setup time
SDA data hold time
SDA and SCL rise time
SDA and SCL fall time
START condition hold time
Repeated START condition
setup time
STOP condition setup time
Bus free time between STOP
and START condition
START
t
w(SCLL)
t
r(SDA)
2
Parameter
C protocol requirement, not tested in production
I
I
2
2
C slave timing values
C slave timing diagram
t
w(SCLH)
t
su(SDA)
t
r(SCL)
I
2
C Standard mode
Min
250
0
4.7
4.0
4.7
4.7
0
4
4
(2)
t
f(SCL)
t
(4)
h(SDA)
1000
Max
3.45
Mechanical and electrical specifications
100
300
(1)
20 + 0.1C
20 + 0.1C
Min
100
0
1.3
0.6
0.6
0.6
0.6
1.3
I
0
(2)
2
C Fast mode
t
su(SR)
b
b
t
(3)
su(SP)
(3)
t
w(SP:SR)
Max
400
300
300
0.9
REPEATED
(1)
START
STOP
START
Unit
13/42
KHz
µs
ns
µs
ns
µs