phyCORE-OMAP44xx
Part II: PCM-959/phyCORE-OMAP44xx Carrier Board
L-760e_1 © PHYTEC Messtechnik GmbH 2012
141
Pin #
Signal
I/O
SL
Description
1
VCC_1V8_IO
O
1.8 V
JTAG Chain reference voltage
2
VCC_1V8_IO
O
1.8 V
JTAG Chain supply voltage
3
X_JTAG_nTRST
I
1.8 V
JTAG Chain Test Reset
4, 6, 8, 10,
12, 14, 18, 20
GND
-
-
Ground
5
X_JTAG_TDI
I
1.8 V
JTAG Chain Test Data input
7
X_JTAG_TMS
I/O
1.8 V
JTAG Chain Test Mode Select signal
9
X_JTAG_TCK
I
1.8 V
JTAG Chain Test Clock signal
11
X_JTAG_RTCK
O
1.8 V
JTAG Chain Return Test Clock signal
13
X_JTAG_TDO
O
1.8 V
JTAG Chain Test Data Output
15
X_nRESET_WARM
I
1.8 V
System Reset
17
X_DPM_EMU0
I/O
1.8 V
Debug Request
19
X_DPM_EMU1
I/O
1.8 V
Debug Acknowledge
Table 68:
JTAG Connector X1 Pin Descriptions