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参数资料
型号： MSP430F122IDWR
厂商： TEXAS INSTRUMENTS INC
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PDSO28
封装： GREEN, PLASTIC, SOIC-28
文件页数： 6/42页
文件大小： 788K
代理商： MSP430F122IDWR
MSP430x12x
MIXED SIGNAL MICROCONTROLLER
SLAS312C JULY 2001 REVISED SEPTEMBER 2004
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
Schmitt-trigger inputs Port P1 to Port P3; P1.0 to P1.7, P2.0 to P2.5, P3.0 to P3.7
PARAMETER
VCC
MIN
TYP
MAX
UNIT
V
Positive going input threshold voltage
2.2 V
1.1
1.5
V
VIT+
Positive-going input threshold voltage
3 V
1.5
1.9
V
Negative going input threshold voltage
2.2 V
0.4
0.9
V
VIT
Negative-going input threshold voltage
3 V
0.9
1.3
V
Input voltage hysteresis (V
V
)
2.2 V
0.3
1.1
V
Vhys
Input voltage hysteresis, (VIT+ VIT)
3 V
0.5
1
V
standard inputs RST/NMI, TEST; JTAG: TCK, TMS, TDI/TCLK
PARAMETER
VCC
MIN
TYP
MAX
UNIT
VIL
Low-level input voltage
2 2 V/3 V
VSS
VSS+0.6
V
VIH
High-level input voltage
2.2 V/3 V
0.8
×VCC
VCC
V
inputs Px.x, TAx
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
Port P1, P2: P1.x to P2.x, External
2.2 V/3 V
1.5
cycle
t(int)
External interrupt timing
Port P1, P2: P1.x to P2.x, External
trigger signal for the interrupt flag,
()
2.2 V
62
ns
(int)
pg
gg
g
p
g,
(see Note 1)
3 V
50
ns
t
Timer A capture timing
TA0 TA1 TA2
2.2 V
62
ns
t(cap)
Timer_A, capture timing
TA0, TA1, TA2
3 V
50
ns
f
Timer_A clock frequency
TACLK INCLK t
=t
2.2 V
8
MHz
f(TAext)
Timer_A clock frequency
externally applied to pin
TACLK, INCLK t(H) = t(L)
3 V
10
MHz
f
Timer A clock frequency
SMCLK or ACLK signal selected
2.2 V
8
MHz
f(TAint)
Timer_A clock frequency
SMCLK or ACLK signal selected
3 V
10
MHz
NOTES: 1. The external signal sets the interrupt flag every time the minimum t(int) cycle and time parameters are met. It may be set even with
trigger signals shorter than t(int). Both the cycle and timing specifications must be met to ensure the flag is set. t(int) is measured in
MCLK cycles.
leakage current (see Notes 1 and 2)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
I
High impedance leakage current
Port P1: P1.x, 0
≤ ×≤ 7
2.2 V/3 V
±50
nA
Ilkg(Px.x)
High-impedance leakage current
Port P2: P2.x, 0
≤ ×≤ 5
2.2 V/3 V
±50
nA
NOTES: 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 must be selected for input and there must be no optional
pullup or pulldown resistor.
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