參數(shù)資料
型號(hào)： MSP430G2121IRSA16
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, PQCC16
封裝： GREEN, PLASTIC, QFN-16
文件頁(yè)數(shù)： 11/55頁(yè)
文件大小： 1139K
代理商： MSP430G2121IRSA16
MSP430G2x31
MSP430G2x21
SLAS694H
– FEBRUARY 2010 – REVISED AUGUST 2011
Schmitt-Trigger Inputs
– Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
0.45 VCC
0.75 VCC
VIT+
Positive-going input threshold voltage
V
3 V
1.35
2.25
0.25 VCC
0.55 VCC
VIT–
Negative-going input threshold voltage
V
3 V
0.75
1.65
Vhys
Input voltage hysteresis (VIT+ – VIT–)
3 V
0.3
1
V
For pullup: VIN = VSS
RPull
Pullup/pulldown resistor
3 V
20
35
50
k
For pulldown: VIN = VCC
CI
Input capacitance
VIN = VSS or VCC
5
pF
Leakage Current
– Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
MAX
UNIT
Ilkg(Px.y)
High-impedance leakage current
(1) (2)
3 V
±50
nA
(1)
The leakage current is measured with VSS or VCC applied to the corresponding pin(s), unless otherwise noted.
(2)
The leakage of the digital port pins is measured individually. The port pin is selected for input and the pullup/pulldown resistor is
disabled.
Outputs
– Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
I(OHmax) = –6 mA
(1)
3 V
VCC – 0.3
V
VOL
Low-level output voltage
I(OLmax) = 6 mA
(1)
3 V
VSS + 0.3
V
(1)
The maximum total current, I(OHmax) and I(OLmax), for all outputs combined should not exceed ±48 mA to hold the maximum voltage drop
specified.
Output Frequency
– Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
Port output frequency
fPx.y
Px.y, CL = 20 pF, RL = 1 kΩ
(1) (2)
3 V
12
MHz
(with load)
fPort_CLK
Clock output frequency
Px.y, CL = 20 pF
(2)
3 V
16
MHz
(1)
A resistive divider with 2
× 0.5 kΩ between VCC and VSS is used as load. The output is connected to the center tap of the divider.
(2)
The output voltage reaches at least 10% and 90% VCC at the specified toggle frequency.
Copyright
2010–2011, Texas Instruments Incorporated
19
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