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Design Considerations for In-Circuit Programming
3-8
TDO/TDI
1
13
11
9
7
5
3
2
14
12
10
8
6
4
V
C
C(FromTool)
GND
TCK
TMS
TDI
Test
V
C
C(Local Sense)
RST/NMI
10uF
100nF
100K
TDO/TDI
RST/NMI
TCK
TMS
TDI
Test
MSP430
V
C
C
/AV
C
C
/DV
C
C
**
V
S
S
/AV
S
S
/DV
S
S
**
V
CC
Connect if target has it's own
'local' power source
Connect to power target from
FET or GANG430 if not using a
local power source
14 pos. header
(3M p/n 2514-6002)
(Digi-Key p/n MHB14K-ND)
20K
*
**
* Not present on all devices
*** Pulldown not required on all devices.
Check device datasheet pin description.
** Pins vary by device.
Note: Connection to XOUT is not required
No JTAG connection is required to the XOUT pin of the MSP430 as
shown on some schematics.
Figure 3-2. JTAG Signal Connections