參數(shù)資料
型號: MSP430F2274MRHAEP
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, RISC MICROCONTROLLER, PQCC40
封裝: GREEN, PLASTIC, MO-220VJJD-2, VQFN-40
文件頁數(shù): 33/79頁
文件大小: 1274K
代理商: MSP430F2274MRHAEP
SDA
SCL
t
LOW
tHD ,DAT
tSU ,DAT
tHD ,STA
tSU ,STA tHD ,STA
tHIGH
tSU ,STO
tSP
tBUF
www.ti.com
SLAS614C – SEPTEMBER 2008 – REVISED JULY 2010
USCI (I2C Mode) – Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 24)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
Internal: SMCLK, ACLK,
fSYST
fUSCI
USCI input clock frequency
External: UCLK,
MHz
EM
Duty cycle = 50% ± 10%
fSCL
SCL clock frequency
–55°C to 125°C
2.2 V/3 V
0
400
kHz
fSCL ≤ 100 kHz
–55°C to 125°C
4.0
tHD,STA
Hold time (repeated) START
2.2 V/3 V
ms
fSCL > 100 kHz
–55°C to 125°C
0.6
fSCL ≤ 100 kHz
–55°C to 125°C
4.7
Set-up time for a repeated
tSU,STA
2.2 V/3 V
ms
START
fSCL > 100 kHz
–55°C to 125°C
0.6
tHD,DAT
Data hold time
–55°C to 125°C
2.2 V/3 V
0
ns
tSU,DAT
Data set-up time
–55°C to 125°C
2.2 V/3 V
250
ns
tSU,STO
Set-up time for STOP
–55°C to 125°C
2.2 V/3 V
4.0
ms
2.2 V
50
150
600
Pulse width of spikes
tSP
–55°C to 125°C
ns
suppressed by input filter
3 V
50
100
600
Figure 24. I2C Mode Timing
Copyright 2008–2010, Texas Instruments Incorporated
39
Product Folder Link(s): MSP430F2274-EP
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