ST92250CV2Q-Auto STMicroelectronics, ST92250CV2Q-Auto Datasheet - Page 399
ST92250CV2Q-Auto
Manufacturer Part Number
ST92250CV2Q-Auto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST92150JDV1QAUTO.pdf
(430 pages)
Specifications of ST92250CV2Q-Auto
Internal Memory
Single Voltage FLASH up to 256 Kbytes, RAM up to 8Kbytes, 1K byte E3 TM (Emulated EEPROM)
Minimum Instruction Time
83 ns (24 MHz int. clock)
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I
The following table gives the values to be written in
the I2CCCR and I2CECCR registers to obtain the
required I
Table 70. SCL Frequency Table
Legend:
R
f
NA = Not achievable
Note:
– For speeds around 200 kHz, achieved speed can have ±5% tolerance
– For other speed ranges, achieved speed can have ±2% tolerance
The above variations depend on the accuracy of the external components used.
2
SCL
C/DDC-BUS TIMING TABLE (Cont’d)
P
= External pull-up resistance
= I
2
(kHz)
C speed
f
400
300
200
100
2
SCL
50
C SCL line frequency.
I2CECCR
0
0
0
0
0
R
P
=3.3kΩ
I2CCCR
86h
89h
90h
36h
72h
f
CPU
=12 MHz
I2CECCR
0
0
0
0
0
ST92124xxx-Auto/150xxxxx-Auto/250xxxx-Auto
R
P
=4.7kΩ
I2CCCR
I2CCCR Value
8Fh
85h
89h
36h
72h
V
DD
= 5 V
I2CECCR
0
0
0
0
0
R
P
=3.3kΩ
I2CCCR
A2h
8Fh
95h
71h
64h
f
CPU
=24 MHz.
I2CECCR
0
0
0
0
1
R
P
=4.7kΩ
I2CCCR
8Eh
A2h
94h
70h
64h
399/430
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