STEVAL-MKI090V1 STMicroelectronics, STEVAL-MKI090V1 Datasheet - Page 12

• Manufacturer Part Number: STEVAL-MKI090V1
• Description: DEMO BOARD FOR LIS331DLF
• Manufacturer: STMicroelectronics
• Series: MEMS, nanor

Specifications of STEVAL-MKI090V1

• Sensor Type: Accelerometer, 3 Axis
• Sensing Range: ±2g, 4g, 8g
• Interface: I²C, SPI
• Sensitivity: 16LSB/g, 8LSB/g, 4LSB/g
• Embedded: No
• Utilized Ic / Part: LIS331DLF
• Acceleration: 2 g, 4 g, 8 g
• Sensing Axis: Triple Axis
• Interface Type: I2C, SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: LIS331DLF
• Other names: 497-10492

Mechanical and electrical specifications
2.3.2
Table 6.
1. Data based on standard I
2. Cb = total capacitance of one bus line, in pF
12/38
t
t
r(SDA)
f(SDA)
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
r(SCL)
f(SCL)
I
Subject to general operating conditions for Vdd and top.
I
Figure 4.
a. Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both port
2
2
SCL
SDA
C slave timing values
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
t
f(SDA)
2
t
h(ST)
Parameter
C protocol requirement, not tested in production
I
2
C Slave timing diagram
START
t
w(SCLL)
t
r(SDA)
t
w(SCLH)
Doc ID 15101 Rev 4
I
t
2
su(SDA)
C standard mode
0.01
Min
250
4.7
4.0
4.7
4.7
t
0
4
4
r(SCL)
(a)
t
f(SCL)
t
h(SDA)
1000
Max
3.45
100
300
(1)
20 + 0.1C
20 + 0.1C
0.01
Min
100
1.3
0.6
0.6
0.6
0.6
1.3
I
0
2
C fast mode
b
b
(2)
(2)
t
su(SR)
t
su(SP)
Max
t
400
300
300
(1)
0.9
w(SP:SR)
LIS331DLF
REPEATED
START
STOP
START
Unit
KHz
µs
ns
µs
ns
µs