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Debug breakout header, P21
24 Connect Wi-Wave Hardware Reference, Rev A 2/2008
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Debug breakout header, P21
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
W_DISABLE#
signal
The active low W_DISABLE# signal is on pin 20 of the debug breakout header. GND
signals are positioned adjacent to the W_DISABLE# signal on pins 18 and 19. To
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#