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Intel386™ EX EMBEDDED MICROPROCESSOR USER'S MANUAL
Table A-4. Pin States After Reset and During Idle, Powerdown, and Hold (Sheet 2 of 2)
STXCLK
TDO
TMROUT2
TMROUT1:0
TXD1
TXD0
UCS#
WDTOUT
W/R#
WR#
NOTES:
1.
X if clock source is internal; Q if clock source is external.
2.
Q when shifting data out through the JTAG port, otherwise Z.
The following input pins have permanent weak pull-up resistors: TCK, TDI, TMS, TRST#,
SMI#, PEREQ/TMRCLK2, and FLT#.
A-10
I/O
WH
(2)
O
Z or Q
O
WH
O
WL
O
1
O
WL
O
0
O
0
O
0
O
1
(1)
Q
X or Q
(2)
(2)
Z or Q
Z or Q
(1)
Q
X or Q
(1)
Q
X or Q
(1)
Q
X or Q
(1)
Q
X or Q
Q
X
Q
X
1
1
1
1
Q
(2)
Z or Q
Q
Q
Q
Q
1
Q
Z
1
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