STM32L152C6U6 STMicroelectronics, STM32L152C6U6 Datasheet - Page 84

• Manufacturer Part Number: STM32L152C6U6
• Description: ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb LP LCD MCU
• Manufacturer: STMicroelectronics

Specifications of STM32L152C6U6

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M3
• Data Bus Width: 32 bit

Electrical characteristics
6.3.15
84/121
Communications interfaces
I
The line I
with the following restrictions: SDA and SCL are not “true” open-drain I/O pins. When
configured as open-drain, the PMOS connected between the I/O pin and V
but is still present.
The I
injection characteristics
(SDA and SCL) .
Table 47.
1. Guaranteed by design, not tested in production.
2. f
3. The maximum Data hold time has only to be met if the interface does not stretch the low period of SCL
2
t
C interface characteristics
w(STO:STA)
Symbol
t
t
t
t
t
w(SCLH)
w(SCLL)
t
su(SDA)
t
t
su(STO)
achieve fast mode I²C frequencies. It must be a multiple of 10 MHz to reach the 400 kHz maximum I²C fast
mode clock.
signal.
t
t
t
su(STA)
h(SDA)
PCLK1
r(SDA)
h(STA)
r(SCL)
f(SDA)
f(SCL)
C
2
C characteristics are described in
b
must be at least 2 MHz to achieve standard mode I
2
C interface meets the requirements of the standard 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
for more details on the input/output alternate function characteristics
Doc ID 17659 Rev 8
Standard mode I
Table
Min
250
4.7
4.0
4.0
4.7
4.0
4.7
0
47. Refer also to
²
C frequencies. It must be at least 4 MHz to
STM32L151x6/8/B, STM32L152x6/8/B
1000
Max
300
400
2
C
(1)
20 + 0.1C
2
Fast mode I
Section 6.3.11: I/O current
C communication protocol
Min
100
1.3
0.6
0.6
0.6
0.6
1.3
0
b
DD
2
C
900
Max
300
300
400
(1)(2)
is disabled,
(3)
Unit
μs
μs
pF
µs
ns
µs