Datasheet

!
www.rovingnetworks.com 17
RN-ISP-UM-1.1
APPENDIX D: LEGACY BOARD DIAGRAM
Figure 17 shows the components and pin description of a legacy version of the ISP.
Figure 17. Legacy ISP Components & Pin Description
!
!
Mini$USB$Connector
Jumper'Block
Aw ake
Reset
Module$Power$Down
User$TX$(TX$into$RN=131)
User$RX$$(RX$from$the$RN=131)
DMA$RX
DMA$TX
G PIO$8$(S PI!CS)
G PIO$6$(S PI$! IRQ)
GPIO$5$(SPI! MISO)
G PIO$4$(S PI! MOSI)
G PIO$9$(S PI$! SCK)
GND$
3.3V$
Reset$$Button
And$LED
Wake$Button
And$LED
16/pin'Debug'Header'
(Debug'Conn'16)
Pin$$$Description
1 GND
2 VDD$3.3V$SW$OUT
3 IS P$DMA$RX
4 ISP$User$TX
5 IS P$Force$Awake
6 ISP$Reset
7 ISP$DMA$TX
8 IS P$User$RX
9 VDD$3.3V$SW$Out
10 GND$Out
11 ISP$GPIO$9
12 ISP$GPIO$4
13 ISP$GPIO$5
14 ISP$GPIO$6
15 ISP$GPIO$8
16 ISP$Power$Down
1'3'5'7'9'11'13'15
2'4'6'8'10'12'14'16
ISP$Power$
LED
AUX$1$connector
(Port$B$of$FTDI$Chip)
1'3'5'7'9'11'13'15
2'4'6'8'10'12'14'16
AUX1'Header
Pin$$$Description
1 VDD$3.3V$J2
2 VDD$3.3V
3 AUX1_BB5
4 AUX1_BB4
5 AUX1_TX
6 GND
7 AUX1_RX
8 GND
9 AUX1_RTS
10 GND
11 AUX1_CTS
12 GND
13 AUX1_BB7
14 AUX1_BB6
15 GND
16 GND
Probe$Hooks$
corresponding$
to$signals$on$
jumper$block
UART$Status$
LEDs
Default'Jumper'
Configuration
ON
ON
ON
ON
ON
ON
ON
OF F
OF F
OF F
OF F
OF F
ON
ON
WARN I N G
You 'must'ALWAYS'have'
GND'and'3.3V'jumpers'
installed.'Failure'to'do'so'
might'permanently' damage'
the'WiFly'mod u le
Probe$hooks$for$current$
measurement.
Jumper$block$signal
Ground
Power$(3.3V$or$5V)
5V$from$ USB
3.3V$Regulated
GND
ISENSE
Grou nd