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SPNS174–SEPTEMBER 2011
2.4.2.18 Test and Debug Modules Interface
Table 2-43. ZWT Test and Debug Modules Interface
Terminal
Signal
Type
Default
Pull State
Pull Type
Description
Signal Name
337
ZWT
TEST
nTRST
RTCK
TCK
U2
I/O
Input
Output
Input
I/O
Pull Down Fixed, 100uA
Test enable
D18
A16
B18
A17
C18
C19
JTAG test hardware reset
JTAG return test clock
JTAG test clock
-
-
Pull Down Fixed, 100uA
Pull Up
TDI
JTAG test data in
JTAG test data out
JTAG test select
TDO
I/O
Pull Down
TMS
I/O
Pull Up
2.4.2.19 Flash Supply and Test Pads
Table 2-44. ZWT Flash Supply and Test Pads
Terminal
Signal
Type
Default
Pull State
Pull Type
Description
Signal Name
337
ZWT
VCCP
FLTP1
FLTP2
F8
J5
Input
-
-
Flash pump supply
Flash test pads. These
terminals are reserved for
TI use only. For proper
operation these terminals
must connect only to a
test pad or not be
H5
connected at all [no
connect (NC)].
2.4.2.20 No Connects
Table 2-45. No Connects
Terminal
Signal Name
Signal
Type
Default
Pull State
Pull Type
Description
337
ZWT
NC
NC
NC
A8
B8
B9
-
-
-
-
-
-
-
-
-
Copyright © 2011, Texas Instruments Incorporated
Device Package and Terminal Functions
39
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