STEVAL-MKI109V1 STMicroelectronics, STEVAL-MKI109V1 Datasheet - Page 52

• Manufacturer Part Number: STEVAL-MKI109V1
• Description: MOTEHRBOARD MEMS ADAPTER STM32
• Manufacturer: STMicroelectronics
• Series: MEMSr

Specifications of STEVAL-MKI109V1

• Main Purpose: Motherboard; Accelerometer, Gyroscope
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: STM32 and MEMS Demo Boards
• Primary Attributes: DIL24 Socket for ST MEMS Adapter Boards
• Secondary Attributes: 3 V on-board linear voltage regulator
• Sensing Axis: Triple Axis
• Operating Voltage: 5 V
• Operating Current: 0.68 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: LIS344ALH
• Other names: 497-10682

Electrical characteristics
52/69
Table 38.
1. Values guaranteed by design, not tested in production.
2. f
3. The maximum hold time of the Start condition has only to be met if the interface does not stretch the low
4. The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge the
t
w(STO:STA)
Symbol
t
t
t
t
t
w(SCLH)
t
w(SCLL)
t
su(SDA)
t
t
t
su(STO)
t
su(STA)
h(SDA)
higher than 4 MHz to achieve the maximum fast mode I
period of SCL signal.
undefined region of the falling edge of SCL.
h(STA)
r(SDA)
r(SCL)
f(SDA)
f(SCL)
PCLK1
C
b
must be higher than 2 MHz to achieve the maximum standard mode I
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
Stop to Start condition time (bus
free)
Capacitive load for each bus line
I
2
C characteristics
Parameter
Doc ID 15056 Rev 3
Standard mode I
2
Min
250
0
4.7
4.0
4.0
4.7
4.0
4.7
C frequency.
(3)
1000
Max
300
400
STM32F102x8, STM32F102xB
2
C
(1)
2
C frequency. It must be
Fast mode I
20+0.1C
Min
100
0
1.3
0.6
0.6
0.6
1.3
0.6
(4)
b
2
900
Max
C
300
300
400
(1)(2)
(3)
Unit
pF
µs
ns
µs
µs
µs