MSP430x31x
MIXED SIGNAL MICROCONTROLLERS
SLAS165D − FEBRUARY 1998 − REVISED APRIL 2000
20
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
LCD
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
V
23
Analog voltage
Voltage at R23
V
CC
= 3 V/5 V
(V
CC
− V
SS
)
×
2/3+V
SS
V
V
13
Analog voltage
Voltage at R13
V
CC
= 3 V/5 V
(V
CC
− V
SS
)
×
1/3+V
SS
V
V
O(HLCD)
Output 1 (HLCD)
I
(HLCD)
<= 10 nA
V
CC
− 0.125
V
CC
V
V
O(LLCD)
Output 0 (LLCD)
I
(LLCD)
<= 10 nA
V
= 3 V/5 V
V
SS
V
SS
+0.125
V
I
I(R13)
Input leakage
R13 = V
CC
/3
V
CC
= 3 V/5 V
±
20
nA
I
I(R23)
Input leakage
(see Note 13)
R23 = 2 V
CC
/3
±
20
nA
r
o(R13)
to S
(XX)
Output (SXX)
I
=
3
μ
A
V
= 3 V/5 V
33
k
Ω
r
o(R23)
to S
(XX)
Output (SXX)
I
(SXX)
= − 3
μ
A,
V
CC
= 3 V/5 V
33
k
Ω
NOTE 13: I
(IRxx)
is measured with no load on the segment or common LCD I/O pins.
comparator (Timer/Port)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
I
Comparator (timer/port)
CPON
1
V
CC
= 3 V
250
350
A
I
(com)
Comparator (timer/port)
CPON = 1
V
CC
= 5 V
450
600
μ
A
V
ref(com)
Internal reference voltage at (−) terminal
CPON = 1
V
CC
= 3 V/5 V
0.230
×
V
CC
0.25
×
V
CC
0.260
×
V
CC
V
V
Input hysteresis (comparator)
CPON = 1
V
CC
= 3 V
5
37
mV
V
hys(com)
Input hysteresis (comparator)
CPON = 1
V
CC
= 5 V
10
42
mV
RAM
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
V
RAMh
CPU halted (see Note 14)
1.8
V
NOTE 14: This parameter defines the minimum supply voltage when the data in the program memory RAM remains unchanged. No program
execution should happen during this supply voltage condition.
PUC/POR
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
t
(POR_delay)
150
250
μ
s
T
A
= − 40
°
C
1.5
2.4
V
V
(POR)
POR
T
A
= 25
°
C
V
= 3 V/5 V
1.2
2.1
V
(POR)
T
A
= 85
°
C
V
CC
= 3 V/5 V
0.9
1.8
V
V
(min)
0
0.4
V
t
(reset)
PUC/POR
Reset is accepted internally
2
μ
s
