参数资料
型号: MSP430AFE222IPW
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, RISC MICROCONTROLLER, PDSO24
封装: GREEN, PLASTIC, TSSOP-24
文件页数: 11/47页
文件大小: 900K
代理商: MSP430AFE222IPW
MSP430AFE2x3
MSP430AFE2x2
MSP430AFE2x1
SLAS701A
– NOVEMBER 2010 – REVISED MARCH 2011
Schmitt-Trigger Inputs (Ports Px and RST/NMI)
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
1.0
V
Pullup/pulldown resistor
For pullup: VIN = VSS;
RPull
3 V
20
35
50
k
(not RST/NMI pin)
For pulldown: VIN = VCC
CI
Input capacitance
VIN = VSS or VCC
5
pF
Leakage Current (Ports Px)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
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)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH(max) = -6 mA
(1)
3 V
VCC – 0.2
V
VOL
Low-level output voltage
IOL(max) = 6 mA
(1)
3 V
VSS + 0.2
V
(1)
The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±48 mA to hold the maximum voltage drop
specified.
Output Frequency (Ports Px)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
fPx.y
Port output frequency (with load)
Px.y, CL = 20 pF, RL = 1 k
(1) (2)
3 V
12
MHz
fPort_CLK
Clock output frequency
Px.y, CL = 20 pF
(2)
3 V
16
MHz
(1)
A resistive divider with two 0.5-k
resistors 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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