Hardware Revision History - Texas Instruments MSP430 User Manual
Gang programmer
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Also See for MSP430:
- Manual (413 pages) ,
- Student manual (398 pages) ,
- User manual (194 pages)
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Hardware Revision History
6.2
Hardware Revision History
Revision 1.2
•
Initial released hardware version
•
Only the 2-wire JTAG mode is supported on SpyBiWire capable devices
Revision 1.3 (December 2005)
•
Serial resistors of 100R (R53 to R55 and R57 to R64) are added on JTAG signals (TCK, TMS, TDI,
and TDO1 to TDO8) to improve stability if target connections are longer than 20 cm and/or bed-of-nails
is used
•
Resistors (R56, R65) of 33 kΩ are added on case-to-GND connections of DSUB9 and DSUB25
connectors
•
New R68 on VCCO: discharges targets
•
New U31, R66, R52, C38: adds Reset capability
•
U31 assembled SN74LVC1G07DBV instead of SN74LVC1G125DBV (open-drain Reset)
•
C27 changed from 1 µF tantalum to 100 µF / 35 V aluminum
•
R51 (3k3) added between TTMS and VCCO; should avoid bouncing on TMS if already supplied
targets are connected (irregular fuse check)
•
Both 2-wire and 4-wire JTAG modes are supported on SpyBiWire capable devices
Assembly change on 1.3 (January 2005)
•
R52 changed from 22 kΩ to DNP
72
Schematics
Copyright © 2003–2010, Texas Instruments Incorporated
SLAU101O – March 2003 – Revised May 2010
www.ti.com
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