User`s manual

AIR B-Smart BoosterPack – User’s Manual Page 22 of 33
Release Date 11/04/13
 J5 – Radio Module Programming/Debugging Interface
0.05” pitch footprint for A2541 programming/debugging using a CC Debugger. Not
populated (default). Please note that if a header is added and the radio module is
erased/reprogrammed, there is no way to reload the factory firmware image (i.e. the
factory image will not be provided).
Table 12 – J5 A2541 Program/Debug Connector Pinout
Pin
Signal Name
I/O
Description
J5-1
GND
-
Ground reference
J5-2
VDD
O
Supply voltage to debugger
J5-3
DEBUG_DC
I
Radio Module Debug Clock
J5-4
DEBUG_DD
I/O
Radio Module Debug Data
J5-5
-
-
J5-6
-
-
J5-7
RESET
I
Radio Module Hardware Reset – active low
J5-8
-
-
J5-9
-
-
J5-10
-
-
 J6 – USB Interface
Mini-B USB connector. Provides Virtual COM Port access to the radio module.
Table 13 – J6 Mini-B USB Connector Pinout
Pin
Signal Name
I/O
Description
J6-1
+VBUS
I
+5V USB supply
J6-2
USB_D-
I/O
USB D- data signal
J6-3
USB_D+
I/O
USB D+ data signal
J6-4
-
-
J6-5
GND
-
Ground reference
 J7 – Current Sense Amplifier Interface
0.1” pitch header for measuring current via the current sense amplifier.
Table 14 – J7 Current Sense Amplifier Connector Pinout
Pin
Signal Name
I/O
Description
J7-1
GND
-
Ground reference
J7-2
ISENSE
O
Analog current measurement
I = V/(50 * R23) = V/50