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MSP430X241X Datasheet, PDF (35/98 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER
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MSP430x241x, MSP430x261x
MIXED SIGNAL MICROCONTROLLER
SLAS541A -- JUNE 2007 -- REVISED OCTOBER 2007
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
standard inputs -- RST/NMI
PARAMETER
VIL
Low-level input voltage
VIH High-level input voltage
TEST CONDITIONS
VCC
2.2 V/3 V
2.2 V/3 V
MIN
VSS
0.8×VCC
MAX
VSS+0.6
VCC
UNIT
V
V
outputs -- ports P1 through P8
PARAMETER
TEST CONDITIONS
VCC
MIN
MAX UNIT
VOH
VOL
NOTES:
High-level output voltage
IOH(max) = --1.5 mA (see Note 2)
IOH(max) = --6 mA (see Note 2)
IOH(max) = --1.5 mA (see Note 2)
IOH(max) = --6 mA (see Note 2)
2.2 V
3V
VCC--0.25
VCC--0.6
VCC--0.25
VCC--0.6
VCC
VCC
V
VCC
VCC
Low-level output voltage
IOL(max) = 1.5 mA (see Note 2)
IOL(max) = 6 mA (see Note 2)
IOL(max) = 1.5 mA (see Note 2)
IOL(max) = 6 mA (see Note 2)
2.2 V
3V
VSS VSS+0.25
VSS VSS+0.6
V
VSS VSS+0.25
VSS VSS+0.6
1. The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±12 mA to satisfy the maximum
voltage drop specified.
2. The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±48 mA to satisfy the maximum
voltage drop specified.
output frequency -- ports P1 through P8
PARAMETER
TEST CONDITIONS
fPx.y
Port output frequency P1.4/SMCLK, CL = 20 pF, RL = 1 kΩ
with load
(see Notes 1 and 2)
VCC
2.2 V
3.0 V
MIN TYP
DC
DC
MAX
10
12
UNIT
MHz
fPort_CLK
Clock output frequency
P2.0/ACLK/CA2, P1.4/SMCLK, CL = 20 pF
(see Note 2)
2.2 V
3.3 V
DC
DC
12
MHz
16
t(Xdc)
NOTES:
P5.6/ACLK, CL = 20 pF, LF mode
30
50
70
P5.6/ACLK, CL = 20 pF, XT1 mode
40
50
60 %
Duty cycle of output
P5.4/MCLK, CL = 20 pF, XT1 mode
40
60
frequency
P5.4/MCLK, CL = 20 pF, DCO
50% -- 15 ns 50% 50% + 15 ns
P1.4/SMCLK, CL = 20 pF, XT2 mode
40
60 %
P1.4/SMCLK, CL = 20 pF, DCO
50% -- 15 ns
50% + 15 ns
1. A resistive divider with 2 times 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.
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