參數(shù)資料
型號(hào)： MSP430F2274MDATEP
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, PDSO38
封裝： GREEN, PLASTIC, TSSOP-38
文件頁(yè)數(shù)： 30/80頁(yè)
文件大?。?/td> 1269K
代理商： MSP430F2274MDATEP
SLAS614D
– SEPTEMBER 2008 – REVISED MAY 2011
USCI (UART Mode)
– Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
Internal: SMCLK, ACLK,
fSYSTE
fUSCI
USCI input clock frequency
External: UCLK;
–55°C to 125°C
MHz
M
Duty cycle = 50%
± 10%
BITCLK clock frequency
fBITCLK
–55°C to 125°C
2.2 V/3 V
1
MHz
(equals baud rate in MBaud)
2.2 V
50
150
600
tτ
UART receive deglitch time(1)
–55°C to 125°C
ns
3 V
50
150
600
(1)
Pulses on the UART receive input (UCxRX) shorter than the UART receive deglitch time are suppressed. To ensure that pulses are
correctly recognized, their width should exceed the maximum specification of the deglitch time.
USCI (SPI Master Mode)
– Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 20 and
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
MAX
UNIT
SMCLK, ACLK,
fUSCI
USCI input clock frequency
–55°C to 125°C
fSYSTEM
MHz
Duty cycle = 50%
± 10%
2.2 V
110
tSU,MI
SOMI input data setup time
–55°C to 125°C
ns
3 V
75
2.2 V
0
tHD,MI
SOMI input data hold time
–55°C to 125°C
ns
3 V
0
2.2 V
30
UCLK edge to SIMO valid,
tVALID,MO
SIMO output data valid time
–55°C to 125°C
ns
CL = 20 pF
3 V
20
USCI (SPI Slave Mode)
– Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 22 and
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
STE lead time,
tSTE,LEAD
2.2 V/3 V
50
ns
STE low to clock
STE lag time,
tSTE,LAG
–55°C to 125°C
2.2 V/3 V
10
ns
Last clock to STE high
STE access time,
tSTE,ACC
2.2 V/3 V
50
ns
STE low to SOMI data out
STE disable time,
tSTE,DIS
STE high to SOMI high
2.2 V/3 V
50
ns
impedance
2.2 V
20
tSU,SI
SIMO input data setup time
–55°C to 125°C
ns
3 V
15
2.2 V
10
tHD,SI
SIMO input data hold time
–55°C to 125°C
ns
3 V
10
2.2 V
75
110
UCLK edge to SOMI valid,
tVALID,SO
SOMI output data valid time
–55°C to 125°C
ns
CL = 20 pF
3 V
50
75
36
Copyright
2008–2011, Texas Instruments Incorporated
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參數(shù)描述
MSP430F2274MRHAEP 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER
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