A B O U T T H E D E V E L O P M E N T B O A R D

JTAG Breakout Header, P20

cable to the development board. However, Digi recommends using the supplied AC wall adapter.

J T A G B r e a k o u t H e a d e r , P 2 0

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

JTAG breakout

The development board provides a 20-pin JTAG header, P20. The pins are allocated

header signal map

as shown:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin

Type

Signal

 

Pin

Type

Signal

 

 

 

 

 

 

 

 

 

 

 

1

Monitor pt

+3.3V

 

2

Monitor pt

+3.3V

 

 

 

 

 

 

 

 

 

 

3

n/a

No connect

 

4

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

5

In

JTAG TDI

 

6

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

7

In

JTAG TMS

 

8

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

9

In

JTAG TCK

 

10

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

11

n/a

No connect

 

12

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

13

Out

JTAG TDO

 

14

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

15

In

RST# TRIGGER

 

16

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

17

n/a

No connect

 

18

Monitor pt

GND

 

 

 

 

 

 

 

 

 

 

19

n/a

No connect

 

20

Monitor pt

GND

 

 

 

 

 

 

 

 

 

22

Connect Wi-Wave Hardware Reference, Rev A 2/2008

Page 20
Image 20
Digi 90000797_A manual A G B r e a k o u t H e a d e r , P 2, Jtag breakout, Header signal map