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MSP430X43X Datasheet(PDF) 35 Page - Texas Instruments |
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MSP430X43X Datasheet(HTML) 35 Page - Texas Instruments |
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35 / 64 page  MSP430x43x, MSP430x44x MIXED SIGNAL MICROCONTROLLER SLAS344B – JANUARY 2002 – REVISED OCTOBER 2002 35 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Figure 11. VCC(min) Level With a Square Voltage Drop to Generate a POR/Brownout Signal typical characteristics VCC 0 0.5 1 1.5 2 VCC(min) t pw tpw – Pulse Width – µs 3 V 0.001 1 1000 tf tr tpw – Pulse Width – µs tf = tr Typical Conditions VCC = 3 V Figure 12. VCC(min) Level With a Triangle Voltage Drop to Generate a POR/Brownout Signal electrical characteristics over recommended operating free-air temperature (unless otherwise noted) SVS (supply voltage supervisor/monitor) PARAMETER TEST CONDITIONS MIN NOM MAX UNIT t(SVSR) dVCC/dt > 30 V/ms (see Figure 13) 5 150 µs t(SVSR) dVCC/dt ≤ 30 V/ms 2000 µs td(SVSon) SVSon, switch from VLD=0 to VLD ≠ 0, VCC = 3 V 20 150 µs tsettle VLD ≠ 0‡ 12 µs V(SVSstart) VLD ≠ 0, VCC/dt ≤ 3 V/s (see Figure 13) 1.55 1.7 V VLD = 1 70 120 155 mV Vhys(BIT–) VCC/dt ≤ 3 V/s (see Figure 13) VLD = 2 .. 14 V(SVS_IT–) x 0.004 V(SVS_IT–) x 0.008 Vhys(B_IT–) VCC/dt ≤ 3 V/s (see Figure 13), external voltage applied on A7 VLD = 15 4.4 10.4 mV VLD = 1 1.8 1.9 2.05 VLD = 2 1.94 2.1 2.25 VLD = 3 2.05 2.2 2.37 VLD = 4 2.14 2.3 2.48 VLD = 5 2.24 2.4 2.6 VLD = 6 2.33 2.5 2.71 VCC/dt ≤ 3 V/s (see Figure 13) VLD = 7 2.46 2.65 2.86 V(SVS IT ) VCC/dt ≤ 3 V/s (see Figure 13) VLD = 8 2.58 2.8 3 V V(SVS_IT–) VLD = 9 2.69 2.9 3.13 V VLD = 10 2.83 3.05 3.29 VLD = 11 2.94 3.2 3.42 VLD = 12 3.11 3.35 3.61† VLD = 13 3.24 3.5 3.76† VLD = 14 3.43 3.7† 3.99† VCC/dt ≤ 3 V/s (see Figure 13), external voltage applied on A7 VLD = 15 1.1 1.2 1.3 ICC(SVS) (see Note 1) VLD ≠ 0, VCC = 2.2 V/3 V 10 15 µA † The recommended operating voltage range is limited to 3.6 V. |
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Similar Description - MSP430X43X |
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