參數(shù)資料
型號： STR751FR0
廠商： 意法半導體
元件分類： ADC
英文描述： Zener Diode; Application: General; Pd (mW): 400; Vz (V): 29.02 to 30.51; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: MHD
中文描述： 的ARM7TDMI - S⑩32位微控制器的閃存，新措施，3性病16位定時器，PWM定時器，快速的10位ADC和I2C，UART的，過磷酸鈣，USB和CAN
文件頁數(shù)： 66/84頁
文件大?。?/td> 997K
代理商： STR751FR0
STR750Fxx STR751Fxx STR752Fxx STR755Fxx
Electrical parameters
69/84
not possible to power off the STR7x while some another I2C master node remains
powered on: otherwise, the STR7x will be powered by the protection diode.
Refer to I/O port characteristics for more details on the input/output alternate function
characteristics (SDA and SCL).
Figure 40.
Typical application with I2C bus and timing diagram
1.
Measurement points are done at CMOS levels: 0.3xVDD and 0.7xVDD.
Table 41.
SDA and SCL characteristics
Symbol
Parameter
Standard mode
I2C
Fast mode I2C(1)
1.
fPCLK, must be at least 8 MHz to achieve max fast I
2C speed (400 kHz).
Unit
Min(2)
2.
Data based on standard I2C protocol requirement, not tested in production.
Max(2)
Min(2)
Max(2)
tw(SCLL)
SCL clock low time
4.7
1.3
s
tw(SCLH)
SCL clock high time
4.0
0.6
tsu(SDA)
SDA setup time
250
100
ns
th(SDA)
SDA data hold time
0(3)
3.
The maximum hold time of the START condition has only to be met if the interface does not stretch the low
period of SCL signal.
0(4)
4.
The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge the
undefined region of the falling edge of SCL.
900(3)
tr(SDA)
tr(SCL)
SDA and SCL rise time
1000
20+0.1Cb
300
tf(SDA)
tf(SCL)
SDA and SCL fall time
300
20+0.1Cb
300
th(STA)
START condition hold time
4.0
0.6
s
tsu(STA)
Repeated START condition setup time
4.7
0.6
tsu(STO)
STOP condition setup time
4.0
0.6
s
tw(STO:STA) STOP to START condition time (bus free)
4.7
1.3
s
Cb
Capacitive load for each bus line
400
pF
REPEATED START
START
STOP
START
tf(SDA)
tr(SDA)
tsu(SDA)
th(SDA)
tf(SCK)
tr(SCK)
tw(SCKL)
tw(SCKH)
th(STA)
tsu(STO)
tsu(STA)
tw(STO:STA)
SDA
SCL
4.7k
SDA
STRT75X
SCL
VDD
100
100
VDD
4.7k
I2CBUS
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STR751FR0H6 功能描述:ARM微控制器 - MCU 16/32-BITS MICROS RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
STR751FR0T6 功能描述:ARM微控制器 - MCU 32-BITS MICROS RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
STR751FR0T6/MIN 制造商:STMicroelectronics 功能描述:
STR751FR1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM7TDMI-S⑩ 32-bit MCU with Flash, SMI, 3 std 16-bit timers, PWM timer, fast 10-bit ADC, I2C, UART, SSP, USB and CAN
STR751FR1H6 功能描述:ARM微控制器 - MCU 16/32-BITS MICROS RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
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