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

Debug breakout header, P21

D e b u g b r e a k o u t h e a d e r , P 2 1

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

The debug breakout header’s primary purpose is to provide access to the

W_DISABLE# signal. The W_DISABLE# signal is typically used as a hardware means to disable RF transmissions from the module without software intervention.

Debug breakout

header signal map

Pin

Type

Signal

Pin

Type

Signal

 

 

 

 

 

 

 

 

 

 

1

Rsvd

SIM_PWR

2

Monitor pt

+3.3V_MC

 

 

 

 

 

 

 

 

 

3

Rsvd

SIM_RST

4

Monitor pt

LED_WWAN#

 

 

 

 

 

 

 

 

 

5

Rsvd

SIM_CLK

6

Monitor pt

GND

 

 

 

 

 

 

 

 

 

7

Rsvd

SIM_Pin 4

8

Monitor pt

LED_WLAN#

 

 

 

 

 

 

 

 

 

9

Rsvd

SIM_GND

10

Monitor pt

GND

 

 

 

 

 

 

 

 

 

11

Rsvd

SIM_VPP

12

Monitor pt

LED_WPAN#

 

 

 

 

 

 

 

 

 

13

Rsvd

SIM_DATA

14

Monitor pt

GND

 

 

 

 

 

 

 

 

 

15

Rsvd

SIM_Pin 8

16

Monitor pt

RESET#

 

 

 

 

 

 

 

 

 

17

n/a

No connect

18

Monitor pt

GND

 

 

 

 

 

 

 

 

 

19

Monitor pt

GND

20

In

W_DISABLE#

W_DISABLE#

 

 

 

The active low W_DISABLE# signal is on pin 20 of the debug breakout header. GND

signal

signals are positioned adjacent to the W_DISABLE# signal on pins 18 and 19. To

24

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

Page 22
Image 22
Digi 90000797_A manual B u g b r e a k o u t h e a d e r , P 2, Debug breakout Header signal map, Signal