ZULU
Pinout
Pin Description
Pin No
Name
Direction
Description
1
ANT
A In/Out
In
Antenna Input / Output 50ohm Impedance
Connect to Ground
2, 15
GND
General Purpose I/O controlled by the RF22 peripheral. May
be configured thro the RF22 registers to perform various
functions including: Clock Output, FIFO status. POR, Wake-
up timer, Low Battery Detect, TRSW, Ant Diversity control.
Refer to RF22 GPIO Config Registers.
D In/Out
Or
A In/Out
3
4
GPI/O2
P0.7
D In/Out
or AIn
Port 0.7 See RF50 Port I/O section for complete descrip-
tion
IREF0
A Out
External Convert Start Input for ADC0. See RF50 ADC0
section for complete description.
Port 0.6 See RF50 Port I/O section for complete descrip-
tion
P0.6
D In / Out
or A In
5
CNVST
R
External Convert Start Input for ADC0. See ADC0 section.
See RF50 ADCO for complete description.
Port 0.5 See RF50 Port I/O section for complete descrip-
tion
P0.5
D In / Out
or A In
6
7
8
RX
D In
D In / Out
or A In
UART RX Pin. See RF50 Port I/O section
Port 0.4 See RF50 Port I/O section for complete descrip-
tion
P0.4
TX
D Out
D In / Out
or A In
UART TX Pin. See RF50 Port I/O section
Port 0.1 See RF50 Port I/O section for complete descrip-
tion
P0.1
AGND
GND
Optional Analogue GND See RF50 Port I/O section
DS-ZULU-1
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
