參數(shù)資料
型號(hào): MSP430BT5190IZQW
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PBGA113
封裝: LEAD FREE, PLASTIC, BGA-113
文件頁(yè)數(shù): 57/97頁(yè)
文件大?。?/td> 724K
代理商: MSP430BT5190IZQW
PRODUCTPREVIEW
SDA
SCL
t
HD,DAT
t
SU,DAT
t
HD,STA
t
HIGH
t
LOW
t
BUF
t
HD,STA
t
SU,STA
t
SP
t
SU,STO
MSP430BT5190
SLAS703 – APRIL 2010
www.ti.com
USCI (I2C Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 15)
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
4.0
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
fSCL ≤ 100 kHz
4.0
tSU,STO
Setup time for STOP
2.2 V/3 V
s
fSCL > 100 kHz
0.6
2.2 V
50
600
tSP
Pulse width of spikes suppressed by input filter
ns
3 V
50
600
Figure 15. I2C Mode Timing
60
Copyright 2010, Texas Instruments Incorporated
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