Datasheet

MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504B − JULY 2006 − REVISED JULY 2007
40
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
typical characteristics − LFXT1 oscillator in HF mode (XTS = 1)
Crystal Frequency − MHz
10.00
100.00
1000.00
10000.00
100000.00
0.10 1.00 10.00 100.00
Oscillation Allowance − Ohms
LFXT1Sx = 1
LFXT1Sx = 3
LFXT1Sx = 2
Figure 18. Oscillation Allowance vs Crystal Frequency, C
L,eff
= 15 pF, T
A
= 25°C
0.0
100.0
200.0
300.0
400.0
500.0
600.0
700.0
800.0
0.0 4.0 8.0 12.0 16.0 20.0
Crystal Frequency − MHz
XT Oscillator Supply Current − uA
LFXT1Sx = 1
LFXT1Sx = 3
LFXT1Sx = 2
Figure 19. XT Oscillator Supply Current vs Crystal Frequency, C
L,eff
= 15 pF, T
A
= 25°C