ST72260G1 STMicroelectronics, ST72260G1 Datasheet - Page 156
ST72260G1
Manufacturer Part Number
ST72260G1
Description
8-BIT MCU WITH FLASH OR ROM MEMORY, ADC, TWO 16-BIT TIMERS, I2C, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72262G2.pdf
(172 pages)
Specifications of ST72260G1
4 K Or 8 Kbytes Program Memory
ROM or single voltage extended Flash (XFlash) with read-out protection, write protection, In-Circuit Programming and In-Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt,Wait and Slow
Two 16-bit Timers With
2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes
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ST72260Gx, ST72262Gx, ST72264Gx
COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
The following table gives the values to be written in
the I2CCCR register to obtain the required I
SCL line frequency.
Table 26. 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.
156/172
SCL
P
= External pull-up resistance
(kHz)
f
400
300
200
100
= I
SCL
50
20
2
C speed
R
P
=3.3kΩ
5Fh
83h
10h
24h
NA
NA
V
DD
= 3.3 V
R
P
=4.7kΩ
5Fh
84h
10h
24h
NA
NA
f
CPU
=4 MHz.
R
P
=3.3kΩ
83h
10h
24h
5Fh
NA
NA
V
DD
= 5 V
2
C
R
P
=4.7kΩ
5Fh
84h
10h
24h
NA
NA
I2CCCR Value
R
P
=3.3kΩ
8Ah
4Ch
FFh
83h
85h
24h
V
DD
= 3.3 V
R
P
=4.7kΩ
4Ch
85h
89h
23h
FFh
NA
f
CPU
=8 MHz.
R
P
=3.3kΩ
8Ah
4Ch
FFh
83h
85h
24h
V
DD
= 5 V
R
P
=4.7kΩ
4Ch
83h
85h
8Ah
23h
FFh
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