MSP430F148IPM datasheet(23/83 Pages) TI

23 / 83 page

1.2 V

1.8 V

0.8 V

1.4 V

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

−40

−20

T , Temperature (°C)

1.1 V

1.5 V

POR

Time

POR

(min)

POR

No POR

MSP430F149, MSP430F148, MSP430F147

MSP430F1491, MSP430F1481, MSP430F1471

MSP430F135, MSP430F133

www.ti.com

SLAS272H – JULY 2000 – REVISED MAY 2018

Submit Documentation Feedback

Product Folder Links: MSP430F149 MSP430F148 MSP430F147 MSP430F1491 MSP430F1481 MSP430F1471

MSP430F135 MSP430F133

Specifications

(1)

VCC rise time dV/dt ≥ 1 V/ms

(2)

When driving VCC low to generate a POR condition, drive VCC to 200 mV or lower with a dV/dt equal to or less than −1 V/ms. The

corresponding rising VCC must also meet the dV/dt requirement equal to or greater than +1 V/ms.

5.17 PUC and POR

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

t(POR_Delay) Internal time delay to release POR

2.2 V, 3 V

150

250

µs

VPOR

VCC threshold at which POR release delay

time begins(1)

TA = −40°C

1.4

1.8

TA = 25°C

1.1

1.5

TA = 85°C

0.8

1.2

V(min)

VCC threshold required to generate a POR

(2)

VCC |dV/dt| ≥ 1 V/ms

2.2 V, 3 V

0.2

t(reset)

RST/NMI low time for PUC or POR

Reset is accepted internally

2.2 V, 3 V

µs

Figure 5-10. VPOR vs Supply Voltage

Figure 5-11. VPOR vs Temperature

MSP430F148IPM Datasheet(PDF) 23 Page - Texas Instruments

MSP430F148IPM Datasheet(HTML) 23 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83

Datasheet Download

Link URL