參數(shù)資料
型號(hào): MSP430F2274TRHAT
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC40
封裝: GREEN, PLASTIC, QFN-40
文件頁數(shù): 43/94頁
文件大?。?/td> 1583K
代理商: MSP430F2274TRHAT
SDA
SCL
1/fSCL
tHD,DAT
tSU,DAT
tHD,STA
tSU,STA tHD,STA
tSU,STO
tSP
MSP430F22x2
MSP430F22x4
SLAS504E
– JULY 2006 – REVISED MARCH 2011
USCI (I2C Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 24)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
Internal: SMCLK, ACLK
fUSCI
USCI input clock frequency
External: UCLK
fSYSTEM
MHz
Duty cycle = 50%
± 10%
fSCL
SCL clock frequency
2.2 V/3 V
0
400
kHz
fSCL ≤ 100 kHz
4
tHD,STA
Hold time (repeated) START
2.2 V/3 V
s
fSCL > 100 kHz
0.6
fSCL ≤ 100 kHz
4.7
tSU,STA
Setup time for a repeated START
2.2 V/3 V
s
fSCL > 100 kHz
0.6
tHD,DAT
Data hold time
2.2 V/3 V
0
ns
tSU,DAT
Data setup time
2.2 V/3 V
250
ns
tSU,STO
Setup time for STOP
2.2 V/3 V
4
s
2.2 V
50
150
600
tSP
Pulse width of spikes suppressed by input filter
ns
3 V
50
100
600
Figure 24. I2C Mode Timing
48
Copyright
2006–2011, Texas Instruments Incorporated
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