Chapter 2: Installation
2-17
A1SQ
N
RE
V:
1.02
DESIGNED IN USA
MAC CODE
BAR CODE
JP5V
JP3V3
JPWR1
J102
JZB2
JZB1
COM1
JUIDB1
USB1
LAN1
LAN0
J12
JBAT1
JIN1
JPE2
JPE1
JP3
LED7
JIO1
J11
J1
A
A. JTAG Header
JTAG Header
Pin Definitions
Pin# Definition
1
VCC
2
TMS
3
GND
4
TCK
5
GND
6
TDO
7
N/A
8
TDI
9
GND
10
RESET
JTAG Header
JTAG at J1 stands for Joint Test Action
Group, a 2 x 4 pin connector, pitch 2.54mm,
is the common name for the IEEE 1149.1 -
Standard Test Access Port and Boundary-
Scan Architecture. This feature was initially
created to test printed circuit boards. See
the table on the right for pin definitions.