MSP430F2002IPW datasheet(50/88 Pages) TI

50 / 88 page

MSP430x20x1, MSP430x20x2, MSP430x20x3

MIXED SIGNAL MICROCONTROLLER

SLAS491D -- AUGUST 2005 -- REVISED SEPTEMBER 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (continued)

JTAG and Spy-Bi-Wire Interface

PARAMETER

TEST

CONDITIONS

VCC

MIN

TYP

MAX

UNIT

fSBW

Spy-Bi-Wire input frequency

2.2 V / 3 V

MHz

tSBW,Low

Spy-Bi-Wire low clock pulse length

2.2 V / 3 V

0.025

tSBW,En

Spy-Bi-Wire enable time

(TEST high to acceptance of first clock edge, see

Note 1)

2.2 V/ 3 V

tSBW,Ret

Spy-Bi-Wire return to normal operation time

2.2 V/ 3 V

100

TCK input frequency 4 wire JTAG (see Note 2)

2.2 V

MHz

fTCK

TCK input frequency -- 4-wire JTAG(seeNote2)

MHz

RInternal

Internal pull-down resistance on TEST

2.2 V/ 3 V

kΩ

NOTES: 1. Tools accessing the Spy-Bi-Wire interface need to wait for the maximum tSBW,En time after pulling the TEST/SBWTCK pin high

before applying the first SBWTCK clock edge.

2. fTCK may be restricted to meet the timing requirements of the module selected.

JTAG Fuse (see Note 1)

PARAMETER

TEST

CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VCC(FB)

Supply voltage during fuse-blow condition

TA =25°C

2.5

VFB

Voltage level on TEST for fuse-blow

IFB

Supply current into TEST during fuse blow

100

tFB

Time to blow fuse

NOTES: 1. Once the fuse is blown, no further access to the JTAG/Test, Spy-Bi-Wire, and emulation feature is possible and JTAG is switched

to bypass mode.

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