msp430f2121irge Microchip Technology Inc., msp430f2121irge Datasheet - Page 29

• Manufacturer Part Number: msp430f2121irge
• Description: Msp430
• Manufacturer: Microchip Technology Inc.

electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
Timer_A
Comparator_A+ (see Note 1)
NOTES: 1. The leakage current for the Comparator_A+ terminals is identical to I lkg(Px.x) specification.
f TA
f TA
t TA,cap
I (DD)
I (DD)
I (Refladder/RefDiode)
I (Refladder/RefDiode)
V (IC)
V (Ref025)
V (Ref050)
V (RefVT)
V (RefVT)
V (offset)
V hys
t (response)
t (response)
2. The input offset voltage can be cancelled by using the CAEX bit to invert the Comparator_A+ inputs on successive measurements.
3. Response time measured at P2.2/CAOUT.
The two successive measurements are then summed together.
Timer_A clock frequency
Timer_A clock frequency
Timer_A, capture timing
Common-mode input
voltage
(see Figure 19 and Figure 20)
(see Figure 19 and Figure 20)
Offset voltage
Input hysteresis
Response time
Response time
(low−high and high−low)
Voltage @ 0.5V
PARAMETER
PARAMETER
Voltage @ 0.25 V
V
CC
CC
V
CC
node
CC
node
POST OFFICE BOX 655303
Internal: SMCLK, ACLK;
External: TACLK, INCLK;
External: TACLK, INCLK;
Duty Cycle = 50% ±10%
TA0, TA1, TA2
CAON=1, CARSEL=0, CAREF=0
CAON=1, CARSEL=0, CAREF=0
CAON=1, CARSEL=0,
CAREF=1/2/3, no load at
CAREF=1/2/3, no load at
P2.3/CA0/TA1 and P2.4/CA1/TA2
CAON=1
PCA0=1, CARSEL=1, CAREF=1,
No load at P2.3/CA0/TA1 and
P2.4/CA1/TA2
PCA0=1, CARSEL=1, CAREF=2,
No load at P2.3/CA0/TA1 and
P2.4/CA1/TA2
PCA0=1, CARSEL=1, CAREF=3,
No load at P2.3/CA0/TA1 and
No load at P2.3/CA0/TA1 and
P2.4/CA1/TA2, T A = 85°C
See Note 2
CAON=1
T A = 25°C, Overdrive 10 mV,
Without filter: CAF=0
Without filter: CAF=0
(see Note 3, Figure 16 and
Figure 17)
T A = 25°C, Overdrive 10 mV,
With filter: CAF=1
With filter: CAF=1
(see Note 3, Figure 16 and
Figure 17)
TEST CONDITIONS
TEST CONDITIONS
•
DALLAS, TEXAS 75265
MIXED SIGNAL MICROCONTROLLER
SLAS439C − SEPTEMBER 2004 − REVISED JULY 2006
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V
2.2 V
2.2 V
2.2 V
2.2 V
2.2 V
VCC
VCC
3 V
3 V
3 V
3 V
3 V
3 V
MIN
0.23
0.47
MIN
390
400
−30
1.4
0.9
20
80
70
0
0
TYP
TYP
0.24
0.48
480
490
165
120
MSP430x21x1
0.7
1.9
1.5
25
45
30
45
V CC −1
MAX
MAX
0.25
540
550
300
240
0.5
1.4
2.8
2.2
10
16
40
60
50
71
30
UNIT
UNIT
MHz
MHz
mV
mV
mV
mV
µA
µA
µA
µA
ns
ns
ns
µs
µs
V
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