Datasheet

MSP430FR573x
MSP430FR572x
www.ti.com SLAS639H –JULY 2011–REVISED SEPTEMBER 2013
JTAG and Spy-Bi-Wire Interface
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER V
CC
MIN TYP MAX UNIT
f
SBW
Spy-Bi-Wire input frequency 2 V, 3 V 0 20 MHz
t
SBW,Low
Spy-Bi-Wire low clock pulse duration 2 V, 3 V 0.025 15 µs
t
SBW, En
Spy-Bi-Wire enable time (TEST high to acceptance of first clock edge)
(1)
2 V, 3 V 1 µs
t
SBW,Rst
Spy-Bi-Wire return to normal operation time 19 35 µs
2 V 0 5 MHz
f
TCK
TCK input frequency, 4-wire JTAG
(2)
3 V 0 10 MHz
R
internal
Internal pulldown resistance on TEST 2 V, 3 V 20 35 50 kΩ
(1) Tools accessing the Spy-Bi-Wire interface must wait for the t
SBW,En
time after pulling the TEST/SBWTCK pin high before applying the
first SBWTCK clock edge.
(2) f
TCK
may be restricted to meet the timing requirements of the module selected.
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