MSP430F2274-EP_11 Datasheet, PDF (35/80 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
www.ti.com
SLAS614D – SEPTEMBER 2008 – REVISED MAY 2011
Typical Characteristics – LFXT1 Oscillator in HF Mode (XTS = 1)
100000.00
800.0
700.0
LFXT1Sx = 3
10000.00
600.0
1000.00
500.0
400.0
LFXT1Sx = 3
300.0
100.00
LFXT1Sx = 1 LFXT1Sx = 2
200.0
LFXT1Sx = 2
10.00
0.10
1.00
10.00
Crystal Frequency − MHz
100.00
100.0
0.0
0.0
LFXT1Sx = 1
4.0
8.0
12.0
16.0
20.0
Crystal Frequency − MHz
Figure 18. Oscillation Allowance vs Crystal
Frequency, C_L,eff = 15 pF, T_A = 25°C
Figure 19. XT Oscillator Supply Current vs Crystal
Frequency, C_L,eff = 15 pF, T_A = 25°C
Timer_A – Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
f_TA
Timer_A clock frequency
TEST CONDITIONS
Internal: SMCLK, ACLK,
External: TACLK, INCLK,
Duty cycle = 50% ± 10%
T_A
V_CC
MIN
–55°C to 125°C
2.2 V
3V
t_TA,cap Timer_A, capture timing
TA0, TA1, TA2
–55°C to 125°C 2.2 V/3 V
20
MAX
10
16
UNIT
MHz
ns
Timer_B – Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
f_TB
Timer_B clock frequency
TEST CONDITIONS
Internal: SMCLK, ACLK,
External: TBCLK,
Duty Cycle = 50% ± 10%
T_A
V_CC
MIN
–55°C to 125°C
2.2 V
3V
t_TB,cap Timer_B, capture timing
TB0, TB1, TB2
–55°C to 125°C 2.2 V/3 V
20
MAX
10
16
UNIT
MHz
ns
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