ZULU
Pinout
Pin Description
Pin No
1
2, 15
Name
ANT
GND
Direction
A In/Out
In
D In/Out
Or
A In/Out
D In/Out
or AIn
A Out
Description
Antenna Input / Output 50ohm Impedance
Connect to Ground
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.
Port 0.7 See RF50 Port I/O section for complete descrip-
tion
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
3
GPI/O2
P0.7
4
IREF0
P0.6
5
CNVST
R
P0.5
6
RX
P0.4
7
TX
P0.1
8
AGND
D In / Out
or A In
D In / Out
or A In
D In
D In / Out
or A In
D Out
D In / Out
or A In
GND
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
UART RX Pin. See RF50 Port I/O section
Port 0.4 See RF50 Port I/O section for complete descrip-
tion
UART TX Pin. See RF50 Port I/O section
Port 0.1 See RF50 Port I/O section for complete descrip-
tion
Optional Analogue GND See RF50 Port I/O section
DS-ZULU-1
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