Datasheet

MSP430F5438A, MSP430F5437A, MSP430F5436A, MSP430F5435A
MSP430F5419A, MSP430F5418A
www.ti.com SLAS655D –JANUARY 2010–REVISED AUGUST 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 2.2 V, 3 V 0 20 MHz
t
SBW,Low
Spy-Bi-Wire low clock pulse duration 2.2 V, 3 V 0.025 15 µs
t
SBW, En
Spy-Bi-Wire enable time (TEST high to acceptance of first clock edge)
(1)
2.2 V, 3 V 1 µs
t
SBW,Rst
Spy-Bi-Wire return to normal operation time 15 100 µs
2.2 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 2.2 V, 3 V 45 60 80 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.
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 67
Product Folder Links: MSP430F5438A MSP430F5437A MSP430F5436A MSP430F5435A MSP430F5419A
MSP430F5418A