MSP430x11x1
MIXED SIGNAL MICROCONTROLLER
SLAS241C ± SEPTEMBER 1999 ± REVISED JUNE 2000
electrical characteristics over recommended ranges of supply voltage and operating
outputs P1.x, P2.x, TAx
PARAMETER |
| TEST CONDITIONS | VCC | MIN | TYP | MAX | UNIT | |||||
|
|
|
|
|
|
|
|
|
|
| ||
f(P20) |
| P2.0/ACLK, |
| CL = 20 pF |
| 2.2 V/3 V |
|
| fSystem |
| ||
f(TAx) | Output frequency | TA0, TA1, TA2, |
| CL = 20 pF |
| 2.2 V/3 V | dc |
| fSystem | MHz | ||
| Internal clock source, SMCLK signal applied (see Note 16) |
|
| |||||||||
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| fSMCLK = fLFXT1 = fXT1 |
| 40% |
| 60% |
| |||
|
| P1.4/SMCLK, |
| fSMCLK = fLFXT1 = fLF | 2.2 V/3 V | 35% |
| 65% |
| |||
|
|
|
|
|
|
| 50%± |
| 50%+ |
| ||
|
| CL = 20 pF |
| f | SMCLK | = f | LFXT1/n |
| 50% |
| ||
|
|
|
| 15 ns | 15 ns |
| ||||||
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
t(Xdc) | Duty cycle of O/P |
|
| fSMCLK = fDCOCLK | 2.2 V/3 V | 50%± | 50% | 50%+ |
| |||
| frequency |
|
| 15 ns | 15 ns |
| ||||||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| |||
|
| P2.0/ACLK, |
| fP20 = fLFXT1 = fXT1 |
| 40% |
| 60% |
| |||
|
|
| fP20 = fLFXT1 = fLF | 2.2 V/3 V | 30% |
| 70% |
| ||||
|
| CL = 20 pF |
|
|
| |||||||
|
|
| fP20 = fLFXT1/n |
|
| 50% |
|
| ||||
|
|
|
|
|
|
|
| |||||
t(TAdc) |
| TA0, TA1, TA2, |
| CL = 20 pF, | Duty cycle = 50% | 2.2 V/3 V |
| 0 | ±50 | ns | ||
NOTE 16: The limits of the system clock MCLK has to be met. MCLK and SMCLK can have different frequencies. |
|
|
| |||||||||
Comparator_A (see Note 17)
| PARAMETER |
|
|
|
| TEST CONDITIONS |
|
|
| MIN | TYP | MAX | UNIT | |
|
|
|
|
|
|
|
|
|
|
|
|
| ||
I(DD) |
|
|
|
|
| CAON=1, | CARSEL=0, CAREF=0 | VCC = 2.2 V |
| 25 | 40 | ∝A | ||
|
|
|
|
| VCC = 3 V |
| 45 | 60 | ||||||
|
|
|
|
|
|
|
|
|
| |||||
I(Refladder/ |
|
|
|
|
| CAON=1, | CARSEL=0, | VCC = 2.2 V |
| 30 | 50 |
| ||
|
|
|
|
| CAREF=1/2/3, No load at |
| ∝A | |||||||
RefDiode) |
|
|
|
|
| VCC = 3 V |
| 45 | 71 | |||||
|
|
|
|
| P2.3/CA0/TA1 and P2.4/CA1/TA2 |
|
| |||||||
V(IC) |
|
|
|
| CAON =1 |
| VCC = 2.2 V/3 V | 0 |
| VCC±1 | V | |||
| voltage |
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
V(Ref025) | Voltage @ 0.25 VCC | node | PCA0=1, | CARSEL=1, CAREF=1, |
|
|
|
|
|
|
| |||
No load at P2.3/CA0/TA1 and | VCC = 2.2 V/3 V | 0.23 | 0.24 | 0.25 |
| |||||||||
See Figure 5 |
| VCC |
|
|
|
| ||||||||
|
|
|
| P2.4/CA1/TA2, See Figure 5 |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| |||
V(Ref050) | Voltage @ 0.5 VCC node | PCA0=1, | CARSEL=1, CAREF=2, |
|
|
|
|
|
|
| ||||
No load at P2.3/CA0/TA1 and | VCC = 2.2 V/3 V | 0.47 | 0.48 | 0.5 |
| |||||||||
See Figure 5 |
| VCC |
|
|
|
| ||||||||
|
|
|
| P2.4/CA1/TA2, See Figure 5 |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
| PCA0=1, | CARSEL=1, CAREF=3, | VCC = 2.2 V | 430 | 550 | 645 |
| ||
V(RefVT) |
|
|
|
|
| No load at P2.3/CA0/TA1 and |
|
|
|
|
|
| mV | |
|
|
|
|
| VCC = 3 V | 450 | 565 | 660 | ||||||
|
|
|
|
|
| P2.4/CA1/TA2 |
| |||||||
V(offset) |
| Offset voltage |
|
|
| See Note 18 | VCC = 2.2 V/3 V | ±30 |
| 30 | mV | |||
Vhys |
| Input hysteresis |
|
|
| CAON=1 |
| VCC = 2.2 V/3 V | 0 | 0.7 | 1.4 | mV | ||
|
|
|
|
|
| ° |
| V | CC | = 2.2 V | 160 | 210 | 300 |
|
|
|
|
|
|
| TA = 25 C, Overdrive 10 mV, With- |
|
|
|
|
| ns | ||
|
|
|
|
|
| out filter: | CAF=0 | VCC = 3 V | 90 | 150 | 200 | |||
|
|
|
|
|
|
| ||||||||
t(response LH) |
|
|
|
|
|
|
|
| ||||||
|
|
|
|
| ° |
| V | CC | = 2.2 V | 1.6 | 1.9 | 3.4 |
| |
|
|
|
|
|
| TA = 25 C, Overdrive 10 mV, With |
|
|
|
|
| ∝s | ||
|
|
|
|
|
| filter: CAF=1 | VCC = 3 V | 1.1 | 1.5 | 2.6 | ||||
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
| TA = 25°C, |
| V | CC | = 2.2 V | 160 | 210 | 300 |
|
|
|
|
|
|
| Overdrive 10 mV, without filter: |
|
|
|
|
| ns | ||
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
| VCC = 3 V | 90 | 150 | 200 | |||||
t(response HL) |
|
|
|
|
| CAF=0 |
|
| ||||||
|
|
|
|
|
| ° |
| V | CC | = 2.2 V | 1.6 | 1.9 | 3.4 |
|
|
|
|
|
|
| TA = 25 C, |
|
|
|
|
|
| ∝s | |
|
|
|
|
|
| Overdrive 10 mV, with filter: CAF=1 | VCC = 3 V | 1.1 | 1.5 | 2.6 | ||||
|
|
|
|
|
|
| ||||||||
NOTES: 17. The leakage current for the Comparator_A terminals is identical to Ilkg(Px.x) specification.
18.The input offset voltage can be cancelled by using the CAEX bit to invert the Comparator_A inputs on successive measurements. The two successive measurements are then summed together.
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 | 31 |
