MSP430x11x1
MIXED SIGNAL MICROCONTROLLER
SLAS241C – SEPTEMBER 1999 – REVISED JUNE 2000
29
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
Schmitt-trigger inputs Port P1 to Port P2; P1.0 to P1.7, P2.0 to P2.5
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT
Positive going input threshold voltage
VCC = 2.2 V
1.1
1.3
V
VIT+
Positive-going input threshold voltage
VCC = 3 V
1.5
1.8
V
VIT
Negative going input threshold voltage
VCC = 2.2 V
0.4
0.9
V
VIT–
Negative-going input threshold voltage
VCC = 3 V
.90
1.2
V
Vh
Input voltage hysteresis (VIT
VIT )
VCC = 2.2 V
0.3
1
V
Vhys
Input voltage hysteresis, (VIT+ – VIT–)
VCC = 3 V
0.5
1.4
V
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
outputs Port 1 to P2; P1.0 to P1.7, P2.0 to P2.5
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(OHmax) = –1.5 mA
VCC = 2 2 V
See Note 8
VCC–0.25
VCC
VOH
High-level output voltage
Port 1 and Port 2 (C11x1)
I(OHmax) = –6 mA
VCC = 2.2 V
See Note 9
VCC–0.6
VCC
V
VOH
Port 1 and Port 2 (C11x1)
Port 1 (F11x1)
I(OHmax) = –1.5 mA
VCC = 3 V
See Note 8
VCC–0.25
VCC
V
Port 1 (F11x1)
I(OHmax) = –6 mA
VCC = 3 V
See Note 9
VCC–0.6
VCC
I(OHmax) = –1 mA
VCC = 2 2 V
See Note 10
VCC–0.25
VCC
VOH
High-level output voltage
I(OHmax) = –3.4 mA
VCC = 2.2 V
See Note 10
VCC–0.6
VCC
V
VOH
g
g
Port 2 (F11x1)
I(OHmax) = –1 mA
VCC = 3 V
See Note 10
VCC–0.25
VCC
V
I(OHmax) = –3.4 mA
VCC = 3 V
See Note 10
VCC–0.6
VCC
I(OLmax) = 1.5 mA
VCC = 2 2 V
See Note 8
VSS
VSS+0.25
VOL
Low-level output voltage
Port 1 and Port 2 (C11x1
I(OLmax) = 6 mA
VCC = 2.2 V
See Note 9
VSS
VSS+0.6
V
VOL
Port 1 and Port 2 (C11x1,
F11x1)
I(OLmax) = 1.5 mA
VCC = 3 V
See Note 8
VSS
VSS+0.25
V
F11x1)
I(OLmax) = 6 mA
VCC = 3 V
See Note 9
VSS
VSS+0.6
NOTES:
8. The maximum total current, IOHmax and IOLmax, for all outputs combined, should not exceed
±
12 mA to hold the maximum voltage
drop specified.
9. The maximum total current, IOHmax and IOLmax, for all outputs combined, should not exceed
±
48 mA to hold the maximum voltage
drop specified.
10. One output loaded at a time.
leakage current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Ilk (P
)
High impedance leakage current
Port P1: P1.x, 0
≤
× ≤
7
(see Notes 11, 12)
VCC = 2.2 V/3 V,
±
50
nA
Ilkg(Px.x)
High-impedance leakage current
Port P2: P2.x, 0
≤
× ≤
5
(see Notes 11, 12)
VCC = 2.2 V/3 V,
±
50
nA
NOTES: 11. The leakage current is measured with VSS or VCC applied to the corresponding pin(s), unless otherwise noted.
12. 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.