Texas Instruments MSP430x11x1 - Manual (Page 29)

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.